AM4 boxed processor 100-100000059WOF · cooler not included
A 16-core, 32-thread Zen 3 processor for AM4 with up to 4.9 GHz boost, 64 MB of L3 cache and a 105 W TDP. It is unlocked for overclocking; the boxed version has no cooler or integrated graphics.
Specifications checked 12 Sept 2026.
Amazon links open search results. Check the exact variant, current price and availability with the retailer.
Manufacturer specificationsDifferent platforms: AM4 vs LGA1700 sockets. Each processor fits only motherboards made for its socket.
Choose the AMD Ryzen 9 5950X for
Choose the Intel Core i9-12900K for
Boxed desktop processor · FCLGA1700 · BX8071512900K · original premium packaging
A 16-core, 24-thread Alder Lake processor for LGA1700 with 8 Performance-cores, 8 Efficient-cores, up to 5.2 GHz turbo, 30 MB of L3 cache and UHD Graphics 770. It is unlocked for overclocking and works with DDR4 or DDR5, depending on the motherboard. No cooler is included.
Specifications checked 12 Sept 2026.
Amazon links open search results. Check the exact variant, current price and availability with the retailer.
Manufacturer specificationsSearch links open retailer results, not a matched listing; eBay listings are checked daily. As an Amazon Associate I earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.
Differences first. Select a topic for its graphic, sources and conditions.
Check the exact configuration and source conditions for your use.
Check each processor’s platform. Match each processor to its supported socket, motherboard CPU-support list, BIOS, memory type and cooler. The two processors may require different platforms. No overall winner is declared without comparable performance and price evidence.
15 verified differences, most decision-relevant first. 7 are also drawn in Visual facts above. Missing information stays separate.
Manufacturer specification · The socket alone doesn't guarantee support; check the motherboard's CPU-support list and BIOS.
Intel Core i9-12900K — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · AMD's CPU core architecture.
AMD Ryzen 9 5950X — manufacturer specificationsDifferent hardware. A chip name or generation does not quantify real-world performance.
Manufacturer specification · Peak boost clock, not a sustained all-core speed.
AMD Ryzen 9 5950X — manufacturer specificationsManufacturer specification · Peak frequency, not a sustained all-core speed; workload, cooling, power settings and the motherboard affect it.
Intel Core i9-12900K — manufacturer specificationsPublished clock limits are not application speed. Boost depends on workload, cooling and firmware; it is not a sustained all-core frequency.
Manufacturer specification · Total L3 cache across the processor.
AMD Ryzen 9 5950X — manufacturer specificationsManufacturer specification · Intel Smart Cache (L3).
Intel Core i9-12900K — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · AMD lists the CPU as unlocked for overclocking and supported by Ryzen Master. Results depend on the motherboard, cooling and the individual chip.
AMD Ryzen 9 5950X — manufacturer specificationsManufacturer specification · Intel's XTU page names this processor; use the 7.14 branch (7.14.2.93), as version 10.0 is for Core Ultra Series 2 and newer. Needs an overclocking-capable chipset, supported Windows and BIOS; results aren't guaranteed.
Intel XTU — exact supported models and version 7.14 platform requirementsIntel unlocked processors — model example and tuning conditionsMemory profiles, automatic boost tuning and fully unlocked CPU overclocking are different capabilities. Read the supported controls and motherboard conditions for each processor.
Check the exact configuration and source conditions for your use.
Manufacturer specification · Maximum boost is not sustained all-core frequency. Workload, cooling and firmware affect clocks.
AMD Ryzen 9 5950X — manufacturer specificationsManufacturer specification · Maximum turbo applies to eligible cores, not all cores at once; clocks depend on workload, temperature, power settings and the motherboard.
Intel Core i9-12900K — manufacturer specificationsPublished clock limits are not application speed. Boost depends on workload, cooling and firmware; it is not a sustained all-core frequency.
Manufacturer specification · Core count and architecture alone don't determine application performance.
AMD Ryzen 9 5950X — manufacturer specificationsDifferent hardware. A chip name or generation does not quantify real-world performance.
Manufacturer specification · Total L2 cache, distinct from shared L3.
Intel Core i9-12900K — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · AMD says a discrete graphics card is required.
AMD Ryzen 9 5950X — manufacturer specificationsManufacturer specification · Intel UHD Graphics 770 built in; display outputs depend on the motherboard.
Intel Core i9-12900K — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · AMD says a discrete graphics card is required; the motherboard's video ports won't work with this processor.
AMD Ryzen 9 5950X — manufacturer specificationsManufacturer specification · Display output needs a motherboard with video ports.
Intel Core i9-12900K — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · CPU PCIe version, not the number of motherboard slots or a guarantee of the board's bandwidth.
AMD Ryzen 9 5950X — manufacturer specificationsManufacturer specification · Intel lists 1×16+4 or 2×8+4 lane configurations; board wiring and chipset lanes are separate.
Intel Core i9-12900K — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · Check the motherboard's CPU-support list, BIOS and memory support list. XMP speeds above this rating are not guaranteed.
AMD Ryzen 9 5950X — manufacturer specificationsManufacturer specification · Choose a motherboard for either DDR5 or DDR4; the processor supports both, but a board takes only one type. Rated speeds depend on the memory configuration and motherboard.
Intel Core i9-12900K — manufacturer specificationsCheck the exact configuration and source conditions for your use.
Manufacturer specification · AMD's maximum operating temperature (Tjmax), not a typical running temperature.
AMD Ryzen 9 5950X — manufacturer specificationsManufacturer specification · Intel's maximum junction temperature, not a typical running temperature.
Intel Core i9-12900K — manufacturer specificationsThis is the specified junction-temperature limit, not a measured operating temperature or a cooling-efficiency score.
Manufacturer specification · AMD's thermal design rating, not the power the whole system will draw.
AMD Ryzen 9 5950X — manufacturer specificationsManufacturer specification · Intel's base and maximum turbo power ratings, not measured system power. Check the motherboard's power settings and cooling.
Intel Core i9-12900K — manufacturer specificationsCheck the exact configuration and source conditions for your use.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Efficient-cores are separate from Performance-cores.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
AMD's 5950X page doesn't list a maximum memory capacity; check the motherboard's specifications for supported kit sizes. · Manufacturer specification
AMD Ryzen 9 5950X — manufacturer specificationsManufacturer specification · Choose a motherboard for either DDR5 or DDR4; the processor supports both, but a board takes only one type. Rated speeds depend on the memory configuration and motherboard.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
AMD's 5950X page doesn't say whether ECC memory is supported; check the motherboard and CPU listing if you need ECC. · Manufacturer specification
AMD Ryzen 9 5950X — manufacturer specificationsManufacturer specification · Needs a motherboard chipset, BIOS and memory that enable ECC.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Liquid cooler recommended for optimal performance
AMD Ryzen 9 5950X — manufacturer specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Default TDP, not measured system power.
AMD Ryzen 9 5950X — manufacturer specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Intel's 12900K specification page doesn't list Adaptive Boost Technology. · Manufacturer specification
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Needs Windows 11, a compatible BIOS and Intel DTT/IPF (DTT 11405 or newer). The 12900K falls under Intel's 12th-generation Advanced Mode policy; limited support can cause slowdowns, and only selected applications benefit.
Intel Core i9-12900K — manufacturer specificationsIntel Application Optimization — verified models and limited Advanced Mode supportEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Base frequency; boost clocks are listed separately.
AMD Ryzen 9 5950X — manufacturer specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Intel's statement of 30 August 2024 covers the 13th/14th-generation Vmin Shift issue only.
Intel employee statement — 12th-generation products outside the Vmin Shift issueEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Intel's order code for the boxed version; tray and China-market BXC versions have different codes.
Intel i9-12900K — exact BOX ordering and specification codesEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Needs support from the motherboard, chipset, BIOS, drivers, operating system and software.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Number of media engines.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Single-processor platforms.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · Manufacturing process for the CPU cores.
AMD Ryzen 9 5950X — manufacturer specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Choose a motherboard for either DDR5 or DDR4; the processor supports both, but a board takes only one type. Rated speeds depend on the memory configuration and motherboard.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Choose a motherboard for either DDR5 or DDR4; the processor supports both, but a board takes only one type. Rated speeds depend on the memory configuration and motherboard.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · CPU instructions for AI workloads.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Interfaces the processor supports; the motherboard decides which ports are fitted.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Separate limits for each interface; they don't all apply at once, and the board, cable and display must support them.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · DMI links the processor to the chipset; these lanes aren't extra slots.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Efficient-core base frequency.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Peak frequency, not a sustained all-core speed; workload, cooling, power settings and the motherboard affect it.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Intel's Gaussian & Neural Accelerator; not comparable with NPU TOPS ratings.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Graphics base frequency.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Graphics device ID.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Intel execution units; not directly comparable with other GPU designs.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Maximum graphics clock.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · API versions supported by the built-in graphics; drivers and the operating system also matter.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Only the Performance-cores run two threads each; 24 threads in total.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Intel doesn't include a cooler with this boxed processor; tray and OEM bundles may differ.
Intel desktop boxed processor contentsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Instruction sets Intel lists; AVX-512 is not listed.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Intel's launch quarter, not a sign of current stock.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Needs support from the motherboard, chipset, BIOS, drivers and operating system.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Up to four displays, depending on the motherboard, drivers and operating system; not all at each interface's maximum mode.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Intel's base and maximum turbo power ratings, not measured system power. Check the motherboard's power settings and cooling.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Intel's maximum memory bandwidth; actual bandwidth depends on the memory configuration.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
AMD's 5950X page doesn't list the number of memory channels. · Manufacturer specification
AMD Ryzen 9 5950X — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
Manufacturer specification · AMD lists up to DDR4-3200 without separate ratings for different numbers of DIMMs.
AMD Ryzen 9 5950X — manufacturer specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Lanes provided by the processor; chipset lanes and board slots are separate.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Needs a compatible chipset, drive, software and operating system.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Performance-core base frequency.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Peak Performance-core turbo, not a sustained all-core speed; separate from Turbo Boost Max 3.0 and Thermal Velocity Boost.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Intel moved the i9-12900K to a standard box design. The earlier premium box, with the processor in a golden plastic wafer holder, is discontinued but may still be on sale; check which box the seller supplies.
Intel i9-12900K and i9-12900KS — original and replacement packagingEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Intel power-management technologies.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Intel's process name.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Intel's base and maximum turbo power ratings, not measured system power. Check the motherboard's power settings and cooling.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Hardware video encoding and decoding; check that your software supports it.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
AMD's 5950X page doesn't state a regional specification. · Manufacturer specification
AMD Ryzen 9 5950X — manufacturer specificationsNo source recorded for this side.
Evidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Needs support from the motherboard, chipset, BIOS, drivers and operating system; no system is secure against every threat.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Intel lists this specification code and stepping for the boxed order code.
Intel i9-12900K — exact BOX ordering and specification codesEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Intel's 12900K specification page doesn't list a Thermal Velocity Boost frequency. · Manufacturer specification
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Helps the operating system schedule work across Performance-cores and Efficient-cores.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Peak frequency, not a sustained all-core speed; workload, cooling, power settings and the motherboard affect it.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Needs support from the motherboard, chipset, BIOS, drivers, operating system and software.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Needs support from the motherboard, chipset, BIOS, drivers, operating system and software.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Needs support from the motherboard, chipset, BIOS, drivers and operating system; vPro eligibility isn't certification of a built PC.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
No source recorded for this side.
Manufacturer specification · Size of the processor package, not the retail box.
Intel Core i9-12900K — manufacturer specificationsEvidence is missing or conflicting on at least one side. This is not a verified difference.
2 shared fields have the same recorded value.
| Specification | AMD Ryzen 9 5950X | Intel Core i9-12900K |
|---|---|---|
Core count and architectureDifferent SourcesAMD Ryzen 9 5950X Manufacturer specification · Core count and architecture alone don't determine application performance. AMD Ryzen 9 5950X — manufacturer specifications | 16 cores · Zen 3 | 16 total (8 Performance-cores + 8 Efficient-cores) |
Thread countDifferent Sources | 32 | 24 |
Base / boost clocks and conditionsDifferent SourcesAMD Ryzen 9 5950X Manufacturer specification · Maximum boost is not sustained all-core frequency. Workload, cooling and firmware affect clocks. AMD Ryzen 9 5950X — manufacturer specificationsIntel Core i9-12900K Manufacturer specification · Maximum turbo applies to eligible cores, not all cores at once; clocks depend on workload, temperature, power settings and the motherboard. Intel Core i9-12900K — manufacturer specifications | 3.4 GHz base; up to 4.9 GHz boost | P-cores: 3.20 GHz base, up to 5.10 GHz turbo; E-cores: 2.40 GHz base, up to 3.90 GHz turbo; maximum single-core turbo up to 5.20 GHz |
CPU cores SourcesIntel Core i9-12900K Manufacturer specification · Total of Performance-cores and Efficient-cores, which run at different speeds. Intel Core i9-12900K — manufacturer specifications | 16 | 16 |
Maximum boost clockDifferent SourcesAMD Ryzen 9 5950X Manufacturer specification · Peak boost clock, not a sustained all-core speed. AMD Ryzen 9 5950X — manufacturer specificationsIntel Core i9-12900K Manufacturer specification · Peak frequency, not a sustained all-core speed; workload, cooling, power settings and the motherboard affect it. Intel Core i9-12900K — manufacturer specifications | 4.9 GHz | 5.2 GHz |
CPU architectureDifferent SourcesAMD Ryzen 9 5950X Manufacturer specification · AMD's CPU core architecture. AMD Ryzen 9 5950X — manufacturer specifications | Zen 3 | Alder Lake |
Base clock SourcesAMD Ryzen 9 5950X Manufacturer specification · Base frequency; boost clocks are listed separately. AMD Ryzen 9 5950X — manufacturer specificationsIntel Core i9-12900K No source recorded. | 3.4 GHz | Not provided |
CPU unlocked for overclocking SourcesAMD Ryzen 9 5950X Manufacturer specification · AMD lists the CPU as unlocked for overclocking; the motherboard and firmware must support it, and results aren't guaranteed. AMD Ryzen 9 5950X — manufacturer specificationsIntel Core i9-12900K Manufacturer specification · Intel lists the processor as unlocked; the motherboard and firmware must support it, and overclocking can affect stability and warranty. Intel XTU — exact supported models and version 7.14 platform requirementsIntel unlocked processors — model example and tuning conditions | Yes | Yes |
Tuning supportDifferent SourcesAMD Ryzen 9 5950X Manufacturer specification · AMD lists the CPU as unlocked for overclocking and supported by Ryzen Master. Results depend on the motherboard, cooling and the individual chip. AMD Ryzen 9 5950X — manufacturer specificationsIntel Core i9-12900K Manufacturer specification · Intel's XTU page names this processor; use the 7.14 branch (7.14.2.93), as version 10.0 is for Core Ultra Series 2 and newer. Needs an overclocking-capable chipset, supported Windows and BIOS; results aren't guaranteed. Intel XTU — exact supported models and version 7.14 platform requirementsIntel unlocked processors — model example and tuning conditions | Unlocked CPU overclocking; Ryzen Master support | Unlocked processor; Intel XTU 7.14 supported |
Performance-cores SourcesAMD Ryzen 9 5950X No source recorded. | Not provided | 8 |
Efficient-cores SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Efficient-cores are separate from Performance-cores. Intel Core i9-12900K — manufacturer specifications | Not provided | 8 |
Performance-core base clock SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Performance-core base frequency. Intel Core i9-12900K — manufacturer specifications | Not provided | 3.2 GHz |
Performance-core regular turbo SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Peak Performance-core turbo, not a sustained all-core speed; separate from Turbo Boost Max 3.0 and Thermal Velocity Boost. Intel Core i9-12900K — manufacturer specifications | Not provided | 5.1 GHz |
Efficient-core base clock SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Efficient-core base frequency. Intel Core i9-12900K — manufacturer specifications | Not provided | 2.4 GHz |
Efficient-core maximum turbo SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Peak frequency, not a sustained all-core speed; workload, cooling, power settings and the motherboard affect it. Intel Core i9-12900K — manufacturer specifications | Not provided | 3.9 GHz |
Turbo Boost Max 3.0 frequency SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Peak frequency, not a sustained all-core speed; workload, cooling, power settings and the motherboard affect it. Intel Core i9-12900K — manufacturer specifications | Not provided | 5.2 GHz |
Maximum CPU configuration SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Single-processor platforms. Intel Core i9-12900K — manufacturer specifications | Not provided | 1 |
Intel Thread Director SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Helps the operating system schedule work across Performance-cores and Efficient-cores. Intel Core i9-12900K — manufacturer specifications | Not provided | Yes |
Intel Hyper-Threading SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Only the Performance-cores run two threads each; 24 threads in total. Intel Core i9-12900K — manufacturer specifications | Not provided | Yes |
L2 cacheDifferent SourcesIntel Core i9-12900K Manufacturer specification · Total L2 cache, distinct from shared L3. Intel Core i9-12900K — manufacturer specifications | 8 MB | 14 MB |
L3 cacheDifferent SourcesAMD Ryzen 9 5950X Manufacturer specification · Total L3 cache across the processor. AMD Ryzen 9 5950X — manufacturer specificationsIntel Core i9-12900K Manufacturer specification · Intel Smart Cache (L3). Intel Core i9-12900K — manufacturer specifications | 64 MB | 30 MB |
Memory supportDifferent SourcesAMD Ryzen 9 5950X Manufacturer specification · Check the motherboard's CPU-support list, BIOS and memory support list. XMP speeds above this rating are not guaranteed. AMD Ryzen 9 5950X — manufacturer specificationsIntel Core i9-12900K Manufacturer specification · Choose a motherboard for either DDR5 or DDR4; the processor supports both, but a board takes only one type. Rated speeds depend on the memory configuration and motherboard. Intel Core i9-12900K — manufacturer specifications | DDR4; up to 3200 MT/s | Up to DDR5-4800 or DDR4-3200; 128 GB maximum; 2 channels |
Maximum supported memory SourcesAMD Ryzen 9 5950X AMD's 5950X page doesn't list a maximum memory capacity; check the motherboard's specifications for supported kit sizes. · Manufacturer specification AMD Ryzen 9 5950X — manufacturer specificationsIntel Core i9-12900K Manufacturer specification · Choose a motherboard for either DDR5 or DDR4; the processor supports both, but a board takes only one type. Rated speeds depend on the memory configuration and motherboard. Intel Core i9-12900K — manufacturer specifications | Not listed by the manufacturer | 128 GB |
CPU ECC memory capability SourcesAMD Ryzen 9 5950X AMD's 5950X page doesn't say whether ECC memory is supported; check the motherboard and CPU listing if you need ECC. · Manufacturer specification AMD Ryzen 9 5950X — manufacturer specificationsIntel Core i9-12900K Manufacturer specification · Needs a motherboard chipset, BIOS and memory that enable ECC. Intel Core i9-12900K — manufacturer specifications | Not listed by the manufacturer | Yes |
Memory channels SourcesAMD Ryzen 9 5950X AMD's 5950X page doesn't list the number of memory channels. · Manufacturer specification AMD Ryzen 9 5950X — manufacturer specifications | Not listed by the manufacturer | 2 |
Listed memory transfer-rate ceiling SourcesAMD Ryzen 9 5950X Manufacturer specification · AMD lists up to DDR4-3200 without separate ratings for different numbers of DIMMs. AMD Ryzen 9 5950X — manufacturer specificationsIntel Core i9-12900K No source recorded. | 3200 MT/s | Not provided |
Rated DDR5 transfer ceiling SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Choose a motherboard for either DDR5 or DDR4; the processor supports both, but a board takes only one type. Rated speeds depend on the memory configuration and motherboard. Intel Core i9-12900K — manufacturer specifications | Not provided | 4800 MT/s |
Rated DDR4 transfer ceiling SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Choose a motherboard for either DDR5 or DDR4; the processor supports both, but a board takes only one type. Rated speeds depend on the memory configuration and motherboard. Intel Core i9-12900K — manufacturer specifications | Not provided | 3200 MT/s |
Published maximum memory bandwidth SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Intel's maximum memory bandwidth; actual bandwidth depends on the memory configuration. Intel Core i9-12900K — manufacturer specifications | Not provided | 76.8 GB/s |
SocketDifferent SourcesIntel Core i9-12900K Manufacturer specification · The socket alone doesn't guarantee support; check the motherboard's CPU-support list and BIOS. Intel Core i9-12900K — manufacturer specifications | AM4 | FCLGA1700 |
PCIe configurationDifferent SourcesAMD Ryzen 9 5950X Manufacturer specification · CPU PCIe version, not the number of motherboard slots or a guarantee of the board's bandwidth. AMD Ryzen 9 5950X — manufacturer specificationsIntel Core i9-12900K Manufacturer specification · Intel lists 1×16+4 or 2×8+4 lane configurations; board wiring and chipset lanes are separate. Intel Core i9-12900K — manufacturer specifications | PCIe 4.0 | PCIe 5.0 and 4.0; up to 20 CPU lanes |
Platform checks SourcesIntel Core i9-12900K No source recorded. | Supported AM4 motherboard and DDR4 memory required. Check the motherboard's CPU-support list and BIOS. A separate graphics card is required. | Not provided |
Maximum CPU PCIe lanes SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Lanes provided by the processor; chipset lanes and board slots are separate. Intel Core i9-12900K — manufacturer specifications | Not provided | 20 |
CPU-to-chipset interface SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · DMI links the processor to the chipset; these lanes aren't extra slots. Intel Core i9-12900K — manufacturer specifications | Not provided | DMI 4.0; up to 8 lanes |
BIOS and stability guidance SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Intel's statement of 30 August 2024 covers the 13th/14th-generation Vmin Shift issue only. Intel employee statement — 12th-generation products outside the Vmin Shift issue | Not provided | Not affected by the 13th/14th-generation Vmin Shift issue |
Integrated graphics or noneDifferent SourcesAMD Ryzen 9 5950X Manufacturer specification · AMD says a discrete graphics card is required; the motherboard's video ports won't work with this processor. AMD Ryzen 9 5950X — manufacturer specificationsIntel Core i9-12900K Manufacturer specification · Display output needs a motherboard with video ports. Intel Core i9-12900K — manufacturer specifications | None; a discrete graphics card is required | Intel UHD Graphics 770 |
Integrated graphics availableDifferent SourcesAMD Ryzen 9 5950X Manufacturer specification · AMD says a discrete graphics card is required. AMD Ryzen 9 5950X — manufacturer specificationsIntel Core i9-12900K Manufacturer specification · Intel UHD Graphics 770 built in; display outputs depend on the motherboard. Intel Core i9-12900K — manufacturer specifications | No | Yes |
Integrated graphics base frequency SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Graphics base frequency. Intel Core i9-12900K — manufacturer specifications | Not provided | 300 MHz |
Integrated graphics dynamic ceiling SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Maximum graphics clock. Intel Core i9-12900K — manufacturer specifications | Not provided | 1.55 GHz |
Graphics execution units SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Intel execution units; not directly comparable with other GPU designs. Intel Core i9-12900K — manufacturer specifications | Not provided | 32 |
Processor graphics interfaces SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Interfaces the processor supports; the motherboard decides which ports are fitted. Intel Core i9-12900K — manufacturer specifications | Not provided | eDP 1.4b; DisplayPort 1.4a; HDMI 2.1 |
Published display mode limits SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Separate limits for each interface; they don't all apply at once, and the board, cable and display must support them. Intel Core i9-12900K — manufacturer specifications | Not provided | HDMI: 4096 × 2160 at 60 Hz; DP: 7680 × 4320 at 60 Hz; eDP: 5120 × 3200 at 120 Hz |
Maximum supported displays SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Up to four displays, depending on the motherboard, drivers and operating system; not all at each interface's maximum mode. Intel Core i9-12900K — manufacturer specifications | Not provided | 4 |
Graphics API support SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · API versions supported by the built-in graphics; drivers and the operating system also matter. Intel Core i9-12900K — manufacturer specifications | Not provided | DirectX 12; OpenGL 4.5; OpenCL 3.0 |
Multi-format codec engines SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Number of media engines. Intel Core i9-12900K — manufacturer specifications | Not provided | 2 |
Intel Quick Sync Video SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Hardware video encoding and decoding; check that your software supports it. Intel Core i9-12900K — manufacturer specifications | Not provided | Yes |
Intel Clear Video HD SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Needs support from the motherboard, chipset, BIOS, drivers, operating system and software. Intel Core i9-12900K — manufacturer specifications | Not provided | Yes |
Integrated GPU device ID SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Graphics device ID. Intel Core i9-12900K — manufacturer specifications | Not provided | 0x4680 |
Gaussian and Neural Accelerator SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Intel's Gaussian & Neural Accelerator; not comparable with NPU TOPS ratings. Intel Core i9-12900K — manufacturer specifications | Not provided | Intel GNA 3.0 |
CPU Deep Learning Boost SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · CPU instructions for AI workloads. Intel Core i9-12900K — manufacturer specifications | Not provided | Yes |
Processor power definitionsDifferent SourcesAMD Ryzen 9 5950X Manufacturer specification · AMD's thermal design rating, not the power the whole system will draw. AMD Ryzen 9 5950X — manufacturer specificationsIntel Core i9-12900K Manufacturer specification · Intel's base and maximum turbo power ratings, not measured system power. Check the motherboard's power settings and cooling. Intel Core i9-12900K — manufacturer specifications | 105 W default TDP | 125 W Processor Base Power; 241 W Maximum Turbo Power |
Default TDP SourcesAMD Ryzen 9 5950X Manufacturer specification · Default TDP, not measured system power. AMD Ryzen 9 5950X — manufacturer specificationsIntel Core i9-12900K No source recorded. | 105 W | Not provided |
Cooling SourcesAMD Ryzen 9 5950X Manufacturer specification · Liquid cooler recommended for optimal performance AMD Ryzen 9 5950X — manufacturer specificationsIntel Core i9-12900K No source recorded. | Cooler required separately | Not provided |
Maximum junction temperatureDifferent SourcesAMD Ryzen 9 5950X Manufacturer specification · AMD's maximum operating temperature (Tjmax), not a typical running temperature. AMD Ryzen 9 5950X — manufacturer specificationsIntel Core i9-12900K Manufacturer specification · Intel's maximum junction temperature, not a typical running temperature. Intel Core i9-12900K — manufacturer specifications | 90 °C | 100 °C |
Processor Base Power SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Intel's base and maximum turbo power ratings, not measured system power. Check the motherboard's power settings and cooling. Intel Core i9-12900K — manufacturer specifications | Not provided | 125 W |
Maximum Turbo Power SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Intel's base and maximum turbo power ratings, not measured system power. Check the motherboard's power settings and cooling. Intel Core i9-12900K — manufacturer specifications | Not provided | 241 W |
Included boxed cooler SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Intel doesn't include a cooler with this boxed processor; tray and OEM bundles may differ. Intel desktop boxed processor contents | Not provided | No included cooler |
Clock and thermal management SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Intel power-management technologies. Intel Core i9-12900K — manufacturer specifications | Not provided | Speed Shift; Turbo Boost 2.0; Turbo Boost Max 3.0; Enhanced SpeedStep; idle states; thermal monitoring |
CPU manufacturing process SourcesAMD Ryzen 9 5950X Manufacturer specification · Manufacturing process for the CPU cores. AMD Ryzen 9 5950X — manufacturer specificationsIntel Core i9-12900K No source recorded. | TSMC 7nm FinFET | Not provided |
Process technology SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Intel's process name. Intel Core i9-12900K — manufacturer specifications | Not provided | Intel 7 |
CPU package dimensions SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Size of the processor package, not the retail box. Intel Core i9-12900K — manufacturer specifications | Not provided | 45.0 × 37.5 mm |
Boxed ordering code SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Intel's order code for the boxed version; tray and China-market BXC versions have different codes. Intel i9-12900K — exact BOX ordering and specification codes | Not provided | BX8071512900K |
Specification codes and steppings SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Intel lists this specification code and stepping for the boxed order code. Intel i9-12900K — exact BOX ordering and specification codes | Not provided | SRL4H (C0) |
Boxed packaging SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Intel moved the i9-12900K to a standard box design. The earlier premium box, with the processor in a golden plastic wafer holder, is discontinued but may still be on sale; check which box the seller supplies. Intel i9-12900K and i9-12900KS — original and replacement packaging | Not provided | Standard box; premium gold-wafer box discontinued |
Instruction set and extensions SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Instruction sets Intel lists; AVX-512 is not listed. Intel Core i9-12900K — manufacturer specifications | Not provided | Intel 64; 64-bit; SSE4.1; SSE4.2; AVX2 |
Intel Volume Management Device SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Needs support from the motherboard, chipset, BIOS, drivers, operating system and software. Intel Core i9-12900K — manufacturer specifications | Not provided | Yes |
Intel Optane Memory support SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Needs a compatible chipset, drive, software and operating system. Intel Core i9-12900K — manufacturer specifications | Not provided | Yes |
Intel vPro eligibility SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Needs support from the motherboard, chipset, BIOS, drivers and operating system; vPro eligibility isn't certification of a built PC. Intel Core i9-12900K — manufacturer specifications | Not provided | Enterprise |
Listed management capabilities SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Needs support from the motherboard, chipset, BIOS, drivers and operating system. Intel Core i9-12900K — manufacturer specifications | Not provided | AMT; Standard Manageability; One-Click Recovery; Hardware Shield eligibility; Stable IT Platform Program |
Listed security capabilities SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Needs support from the motherboard, chipset, BIOS, drivers and operating system; no system is secure against every threat. Intel Core i9-12900K — manufacturer specifications | Not provided | Threat Detection; Secure Key; Control-Flow Enforcement; Total Memory Encryption - Multi Key; AES New Instructions; OS Guard; Trusted Execution; Execute Disable Bit; Boot Guard; Mode-based Execute Control; Total Memory Encryption |
Virtualization capabilities SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Needs support from the motherboard, chipset, BIOS, drivers, operating system and software. Intel Core i9-12900K — manufacturer specifications | Not provided | VT-rp; VT-x; VT-d; Extended Page Tables |
Manufacturer launch quarter SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Intel's launch quarter, not a sign of current stock. Intel Core i9-12900K — manufacturer specifications | Not provided | Q4 2021 |
Intel Application Optimization SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Manufacturer specification · Needs Windows 11, a compatible BIOS and Intel DTT/IPF (DTT 11405 or newer). The 12900K falls under Intel's 12th-generation Advanced Mode policy; limited support can cause slowdowns, and only selected applications benefit. Intel Core i9-12900K — manufacturer specificationsIntel Application Optimization — verified models and limited Advanced Mode support | Not provided | Limited (Advanced Mode only) |
Specification region SourcesAMD Ryzen 9 5950X AMD's 5950X page doesn't state a regional specification. · Manufacturer specification AMD Ryzen 9 5950X — manufacturer specificationsIntel Core i9-12900K No source recorded. | Not listed by the manufacturer | Not provided |
|---|---|---|
Thermal Velocity Boost frequency SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Intel's 12900K specification page doesn't list a Thermal Velocity Boost frequency. · Manufacturer specification Intel Core i9-12900K — manufacturer specifications | Not provided | Not listed by the manufacturer |
Intel Adaptive Boost SourcesAMD Ryzen 9 5950X No source recorded. Intel Core i9-12900K Intel's 12900K specification page doesn't list Adaptive Boost Technology. · Manufacturer specification Intel Core i9-12900K — manufacturer specifications | Not provided | Not listed by the manufacturer |
Closest processors to this pair by shared key specifications. Not a popularity ranking.
Each record represents an explicitly checked model and configuration. Original import: 5 Sept 2026; this is not its verification date. This is not a list of current offers or a popularity ranking.
