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PROCESSORS · YOUR NEXT FACE-OFF

AMD Ryzen 9 7900X vs AMD Ryzen 9 7900X3D

Real specs. Clear sources.Exact models · UK & US buying links

Compared products

YOUR FIRST CHOICE

AMD Ryzen 9 7900X

AM5 boxed processor 100-100000589WOF · cooler not included

AMD's official boxed-product artwork associated with Ryzen 9 7900X on its exact manufacturer product page; the visible artwork identifies the family rather than a readable exact model number.
Full product profile Official image
Exact model & source notes

A 12-core, 24-thread Zen 4 processor for AM5 with up to 5.6 GHz boost, 64 MB of L3 cache and a 170 W default TDP. It is unlocked for overclocking and includes basic Radeon integrated graphics; the boxed version has no cooler.

Specifications checked 12 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications
WHAT DIFFERS
64 MBL3 cache128 MB
170 WDefault TDP120 W
4.7 GHzBase clock4.4 GHz
3 of 6 verified differences, in the order listed below. Not a rating.
See the 6 verified differences
THE CONTENDER

AMD Ryzen 9 7900X3D

AM5 boxed processor 100-100000909WOF · cooler not included

AMD's official boxed-product artwork associated with Ryzen 9 7900X3D on its exact manufacturer product page; the visible artwork identifies the family rather than a readable exact model number.
Full product profile Official image
Exact model & source notes

A 12-core, 24-thread Zen 4 processor for AM5 with AMD 3D V-Cache, giving 128 MB of L3 cache in total, plus up to 5.6 GHz boost and a 120 W default TDP. It includes basic Radeon graphics; the boxed version has no cooler.

Specifications checked 12 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

7900X UK & US retailers

UK
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US
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UK & US price history: no verified listing yet

7900X3D UK & US retailers

UK
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US
Search Amazon USSearch eBay US

UK & US price history: no verified listing yet

Search 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.

THE DIFFERENCES, MADE VISIBLE

Visual facts

Differences first. Select a topic for its graphic, sources and conditions.

How to read this comparison
  • Manufacturer facts for the exact models shown. Not a quality rating or a test result.
  • “Different” means the known values differ, not that one is better.
  • Missing or conflicting evidence is marked and never counts as a difference. Source chips hold each fact’s sources and conditions.
SPECIFICATIONS SIDE BY SIDE7 topics
SELECTED TOPIC
01 / 07

L3 cache

L3 cache capacity. More cache does not imply a proportional increase in gaming performance.

AMD Ryzen 9 7900X64 MB

Manufacturer specification · Total L3 cache across the processor.

Source 1
AMD Ryzen 9 7900X3D128 MB

Manufacturer specification · Total L3 cache across the processor.

Source 1
Explore the full specifications

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.

WHAT CHANGES BETWEEN THEM?

Key differences

Full specifications ↓

6 verified differences, most decision-relevant first. All are also drawn in Visual facts above. 2 manufacturer descriptions restating separately listed fields are grouped below. Missing information stays separate.

CPU and memory tuning

In Visual facts
AMD Ryzen 9 7900XUnlocked CPU overclocking; EXPO, PBO and Curve Optimizer
AMD Ryzen 9 7900X3DEXPO, PBO and Curve Optimizer
Sources
AMD Ryzen 9 7900X

Manufacturer specification · AMD lists the CPU as unlocked for overclocking, with EXPO memory profiles, Precision Boost Overdrive, Curve Optimizer and Ryzen Master support. Results depend on the motherboard, cooling and the individual chip.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · AMD lists EXPO memory profiles, Precision Boost Overdrive, Curve Optimizer and Ryzen Master support. Its specification page doesn't list unlocked CPU-multiplier overclocking for this model.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers

Memory profiles, automatic boost tuning and fully unlocked CPU overclocking are different capabilities. Read the supported controls and motherboard conditions for each processor.

Base clock

In Visual facts
AMD Ryzen 9 7900X4.7 GHz
AMD Ryzen 9 7900X3D4.4 GHz
Sources
AMD Ryzen 9 7900X

Manufacturer specification · AMD's base frequency, not a guaranteed all-core speed under every workload.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · AMD's base frequency, not a guaranteed all-core speed under every workload.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers

Published clock limits are not application speed. Boost depends on workload, cooling and firmware; it is not a sustained all-core frequency.

Manufacturer launch date

In Visual facts
AMD Ryzen 9 7900X2022-09-27
AMD Ryzen 9 7900X3D2023-02-28
Sources
AMD Ryzen 9 7900X

Manufacturer specification · AMD's launch date, not a sign of current stock.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · AMD's launch date, not a sign of current stock.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers

Check the exact configuration and source conditions for your use.

Maximum junction temperature

In Visual facts
AMD Ryzen 9 7900X95 °C
AMD Ryzen 9 7900X3D89 °C
Sources
AMD Ryzen 9 7900X

Manufacturer specification · AMD's maximum operating temperature (Tjmax), not a typical running temperature.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · AMD's maximum operating temperature (Tjmax), not a typical running temperature.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers

This is the specified junction-temperature limit, not a measured operating temperature or a cooling-efficiency score.

Manufacturer wording of separate fields (2)

Combined manufacturer descriptions whose values are listed as separate differences. Kept here so every verified difference stays in one list.

Base / boost clocks and conditions

AMD Ryzen 9 7900X4.7 GHz base; up to 5.6 GHz boost
AMD Ryzen 9 7900X3D4.4 GHz base; up to 5.6 GHz boost
Sources
AMD Ryzen 9 7900X

Manufacturer specification · Maximum boost is not a sustained all-core frequency. Workload, cooling and firmware affect clocks.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · Maximum boost is not a sustained all-core frequency. Workload, cooling and firmware affect clocks.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers

Published clock limits are not application speed. Boost depends on workload, cooling and firmware; it is not a sustained all-core frequency.

Processor power definitions

AMD Ryzen 9 7900X170 W default TDP
AMD Ryzen 9 7900X3D120 W default TDP
Sources
AMD Ryzen 9 7900X

Manufacturer specification · AMD's thermal design rating, not the power the whole system will draw.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · AMD's thermal design rating, not the power the whole system will draw.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers

Check the exact configuration and source conditions for your use.

Missing or non-comparable evidence (1)

3D V-Cache design

AMD Ryzen 9 7900XNot verified
AMD Ryzen 9 7900X3D3D V-Cache
Sources
AMD Ryzen 9 7900X

No source recorded for this side.

AMD Ryzen 9 7900X3D

Manufacturer specification · AMD lists 3D V-Cache for this model; it doesn't say how the cache is shared between the core chiplets.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers

Evidence is missing or conflicting on at least one side. This is not a verified difference.

32 shared fields have the same recorded value.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

AMD Ryzen 9 7900X

What it brings

  • 12 Zen 4 cores and 24 threads, boosting up to 5.6 GHz, with 64 MB of L3 cache.
    Manufacturer source
  • Unlocked for overclocking, with EXPO memory profiles, Precision Boost Overdrive and Curve Optimizer.
    Manufacturer source
  • PCIe 5.0 with 24 usable lanes, up to 128 GB of DDR5, ECC memory support on compatible motherboards and basic Radeon graphics (2 graphics cores) for display output.
    Manufacturer source Manufacturer source

What to check

  • No cooler in the box; with a 170 W default TDP, AMD recommends liquid cooling for best performance.
    Manufacturer source
  • Needs an AM5 motherboard whose BIOS supports this processor, plus DDR5 memory; check the board's CPU-support list before buying.
    Manufacturer source
  • Memory is rated at DDR5-5200 with two sticks but only DDR5-3600 with four.
    Manufacturer source

AMD Ryzen 9 7900X3D

What it brings

  • 12 Zen 4 cores and 24 threads with up to 5.6 GHz boost and 128 MB of L3 cache using AMD 3D V-Cache.
    Manufacturer source
  • Supports EXPO memory profiles, Precision Boost Overdrive and Curve Optimizer, plus PCIe 5.0 (24 usable lanes) and ECC memory on compatible motherboards.
    Manufacturer source

What to check

  • No cooler in the box, and AMD recommends liquid cooling for best performance.
    Manufacturer source
  • Needs an AM5 motherboard whose BIOS supports this processor, plus DDR5 memory; memory is rated at DDR5-5200 with two sticks but only DDR5-3600 with four.
    Manufacturer source
  • AMD doesn't list unlocked CPU-multiplier overclocking for this model; tuning is through PBO, Curve Optimizer and EXPO. Its maximum operating temperature is 89°C.
    Manufacturer source
COMPARE THE DETAILS

Full specifications

How we verify
41 of 41 specifications Sources in each row
Source-backed specifications for AMD Ryzen 9 7900X and AMD Ryzen 9 7900X3D
SpecificationAMD Ryzen 9 7900XAMD Ryzen 9 7900X3D
Thread count
Sources
2424
CPU cores
Sources
1212
Maximum boost clock
Sources
AMD Ryzen 9 7900X

Manufacturer specification · Peak boost clock, not a sustained all-core speed.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · Peak boost clock, not a sustained all-core speed.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
5.6 GHz5.6 GHz
CPU architecture
Sources
AMD Ryzen 9 7900X

Manufacturer specification · AMD's CPU core architecture.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · AMD's CPU core architecture.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
Zen 4Zen 4
Base clockDifferent
Sources
AMD Ryzen 9 7900X

Manufacturer specification · AMD's base frequency, not a guaranteed all-core speed under every workload.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · AMD's base frequency, not a guaranteed all-core speed under every workload.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
4.7 GHz4.4 GHz
CPU and memory tuningDifferent
Sources
AMD Ryzen 9 7900X

Manufacturer specification · AMD lists the CPU as unlocked for overclocking, with EXPO memory profiles, Precision Boost Overdrive, Curve Optimizer and Ryzen Master support. Results depend on the motherboard, cooling and the individual chip.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · AMD lists EXPO memory profiles, Precision Boost Overdrive, Curve Optimizer and Ryzen Master support. Its specification page doesn't list unlocked CPU-multiplier overclocking for this model.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
Unlocked CPU overclocking; EXPO, PBO and Curve OptimizerEXPO, PBO and Curve Optimizer
CPU boost technology
Sources
AMD Ryzen 9 7900X

Manufacturer specification · Automatic boost, separate from Precision Boost Overdrive and manual overclocking. Clocks vary with workload, cooling and power.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · Automatic boost, separate from Precision Boost Overdrive and manual overclocking. Clocks vary with workload, cooling and power.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
Precision Boost 2Precision Boost 2
L2 cache
Sources
12 MB12 MB
L3 cacheDifferent
Sources
AMD Ryzen 9 7900X

Manufacturer specification · Total L3 cache across the processor.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · Total L3 cache across the processor.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
64 MB128 MB
L1 cache
Sources
AMD Ryzen 9 7900X

Manufacturer specification · Total L1 cache across all cores.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · Total L1 cache across all cores.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
768 KB768 KB
3D V-Cache design
Sources
AMD Ryzen 9 7900X

No source recorded.

AMD Ryzen 9 7900X3D

Manufacturer specification · AMD lists 3D V-Cache for this model; it doesn't say how the cache is shared between the core chiplets.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
Not provided3D V-Cache
Maximum supported memory
Sources
AMD Ryzen 9 7900X

Manufacturer specification · AMD's CPU limit; the motherboard, its BIOS and the memory kit must also support this capacity.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · AMD's CPU limit; the motherboard, its BIOS and the memory kit must also support this capacity.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
128 GB128 GB
Memory ceiling with two DIMMs
Sources
AMD Ryzen 9 7900X

Manufacturer specification · Applies to two single-rank or two dual-rank DDR5 modules. EXPO memory overclocking is separate and depends on the motherboard.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · Applies to two single-rank or two dual-rank DDR5 modules. EXPO memory overclocking is separate and depends on the motherboard.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
5200 MT/s5200 MT/s
Memory ceiling with four DIMMs
Sources
AMD Ryzen 9 7900X

Manufacturer specification · Applies to four single-rank or four dual-rank DDR5 modules; slower than the two-module rating.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · Applies to four single-rank or four dual-rank DDR5 modules; slower than the two-module rating.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
3600 MT/s3600 MT/s
CPU ECC memory capability
Sources
AMD Ryzen 9 7900X

Manufacturer specification · Needs a motherboard and memory that support ECC.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · Needs a motherboard and memory that support ECC.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
YesYes
Memory channels
Sources
AMD Ryzen 9 7900X

Manufacturer specification · Memory channels in the processor, not the number of motherboard DIMM slots.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · Memory channels in the processor, not the number of motherboard DIMM slots.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
22
Socket
Sources
AM5AM5
Native PCIe
Sources
AMD Ryzen 9 7900X

Manufacturer specification · Native CPU version and lane totals, not graphics-slot width or motherboard slot count. Actual links depend on the motherboard and installed devices.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiersAMD Ryzen 9 7900X — AMD shop exact boxed SKU, supplied cooling and gallery
AMD Ryzen 9 7900X3D

Manufacturer specification · Native CPU version and lane totals, not graphics-slot width or motherboard slot count. Actual links depend on the motherboard and installed devices.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
PCIe 5.0 · 28 total / 24 usable lanesPCIe 5.0 · 28 total / 24 usable lanes
Platform checks
Sources
Supported AM5 motherboard and DDR5 memory required. Check the motherboard CPU-support list and BIOS before purchase.Supported AM5 motherboard and DDR5 memory required. Check the motherboard CPU-support list and BIOS before purchase.
CPU-native USB capability
Sources
AMD Ryzen 9 7900X

Manufacturer specification · USB provided by the processor itself; the motherboard decides which ports, including any USB4, are actually fitted.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · USB provided by the processor itself; the motherboard decides which ports, including any USB4, are actually fitted.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
4 USB 10 Gb/s ports; 1 USB 2.0 port4 USB 10 Gb/s ports; 1 USB 2.0 port
Platform NVMe modes
Sources
AMD Ryzen 9 7900X

Manufacturer specification · The motherboard, drivers and drives must also support these modes, and some boards offer fewer.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · The motherboard, drivers and drives must also support these modes, and some boards offer fewer.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
Boot; RAID 0, 1 and 10Boot; RAID 0, 1 and 10
USB-C DisplayPort Alternate Mode capability
Sources
AMD Ryzen 9 7900X

Manufacturer specification · Needs a motherboard USB-C port wired for display output.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · Needs a motherboard USB-C port wired for display output.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
YesYes
Listed supporting chipsets
Sources
AMD Ryzen 9 7900X

Manufacturer specification · Chipset families AMD lists; check the motherboard's CPU-support list and BIOS version.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · Chipset families AMD lists; check the motherboard's CPU-support list and BIOS version.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
A620, X670E, X670, B650E, B650, X870E, X870, B840, B850A620, X670E, X670, B650E, B650, X870E, X870, B840, B850
Integrated graphics cores
Sources
AMD Ryzen 9 7900X

Manufacturer specification · Graphics cores in the built-in Radeon graphics.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · Graphics cores in the built-in Radeon graphics.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
22
Integrated graphics frequency
Sources
AMD Ryzen 9 7900X

Manufacturer specification · Built-in graphics clock; display outputs depend on the motherboard.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · Built-in graphics clock; display outputs depend on the motherboard.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
2200 MHz2200 MHz
Default TDPDifferent
Sources
AMD Ryzen 9 7900X

Manufacturer specification · Default TDP, not measured system power.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · Default TDP, not measured system power.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
170 W120 W
Cooling
Sources
AMD Ryzen 9 7900X

Manufacturer specification · AMD doesn't include a cooler with this boxed version; choose one that fits AM5 and the motherboard.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · AMD doesn't include a cooler with this boxed version; choose one that fits AM5 and the motherboard.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
Cooler required separately; AMD recommends liquid cooling for optimal performanceCooler required separately; AMD recommends liquid cooling for optimal performance
Maximum junction temperatureDifferent
Sources
AMD Ryzen 9 7900X

Manufacturer specification · AMD's maximum operating temperature (Tjmax), not a typical running temperature.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · AMD's maximum operating temperature (Tjmax), not a typical running temperature.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
95 °C89 °C
CPU-core manufacturing process
Sources
AMD Ryzen 9 7900X

Manufacturer specification · Manufacturing process for the CPU cores.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · Manufacturing process for the CPU cores.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
TSMC 5nm FinFETTSMC 5nm FinFET
I/O-die manufacturing process
Sources
AMD Ryzen 9 7900X

Manufacturer specification · Manufacturing process for the separate I/O die.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · Manufacturing process for the separate I/O die.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
TSMC 6nm FinFETTSMC 6nm FinFET
Package die count
Sources
AMD Ryzen 9 7900X

Manufacturer specification · Number of dies in the processor package; not all of them contain CPU cores.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · Number of dies in the processor package; not all of them contain CPU cores.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
33
CPU compute die area
Sources
AMD Ryzen 9 7900X

Manufacturer specification · Size of each CPU compute die.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · Size of each CPU compute die.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
71 mm²71 mm²
I/O die area
Sources
AMD Ryzen 9 7900X

Manufacturer specification · Size of the I/O die.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · Size of the I/O die.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
122 mm²122 mm²
Listed instruction capabilities
Sources
AMD Ryzen 9 7900X

Manufacturer specification · Software and firmware must support these instruction sets.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · Software and firmware must support these instruction sets.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
x86-64; AVX-512, AVX2, AVX, AES, AMD-V, FMA3, SHA and SSE extensionsx86-64; AVX-512, AVX2, AVX, AES, AMD-V, FMA3, SHA and SSE extensions
Manufacturer launch dateDifferent
Sources
AMD Ryzen 9 7900X

Manufacturer specification · AMD's launch date, not a sign of current stock.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · AMD's launch date, not a sign of current stock.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
2022-09-272023-02-28
Specification market
Sources
AMD Ryzen 9 7900X

Manufacturer specification · AMD lists global availability; UK and US stock, box contents and warranty can still vary by seller.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · AMD lists global availability; UK and US stock, box contents and warranty can still vary by seller.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
GlobalGlobal
Manufacturer wording (5)Combined manufacturer rows whose values are listed above as separate fields.
Manufacturer wording for facts listed as separate rows
Core count and architecture
Sources
AMD Ryzen 9 7900X

Manufacturer specification · Manufacturer core count and architecture, not an application-performance ranking.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · Manufacturer core count and architecture, not an application-performance ranking.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
Restated above as CPU cores, CPU architecture
12 cores · Zen 412 cores · Zen 4
Base / boost clocks and conditionsDifferent
Sources
AMD Ryzen 9 7900X

Manufacturer specification · Maximum boost is not a sustained all-core frequency. Workload, cooling and firmware affect clocks.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · Maximum boost is not a sustained all-core frequency. Workload, cooling and firmware affect clocks.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
Restated above as Base clock, Maximum boost clock
4.7 GHz base; up to 5.6 GHz boost4.4 GHz base; up to 5.6 GHz boost
Processor power definitionsDifferent
Sources
AMD Ryzen 9 7900X

Manufacturer specification · AMD's thermal design rating, not the power the whole system will draw.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · AMD's thermal design rating, not the power the whole system will draw.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
Restated above as Default TDP
170 W default TDP120 W default TDP
Integrated graphics or none
Sources
AMD Ryzen 9 7900X

Manufacturer specification · Manufacturer graphics configuration, not a measured gaming result. Display outputs depend on the motherboard.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · Manufacturer graphics configuration, not a measured gaming result. Display outputs depend on the motherboard.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
Restated above as Integrated graphics cores, Integrated graphics frequency
AMD Radeon Graphics · 2 graphics cores · 2200 MHzAMD Radeon Graphics · 2 graphics cores · 2200 MHz
Memory support
Sources
AMD Ryzen 9 7900X

Manufacturer specification · AMD rates two DIMMs (single- or dual-rank) at DDR5-5200 and four at DDR5-3600. Check the motherboard's memory support list; EXPO speeds aren't guaranteed.

AMD Ryzen 9 7900X — exact manufacturer specifications and part identifiers
AMD Ryzen 9 7900X3D

Manufacturer specification · AMD rates two DIMMs (single- or dual-rank) at DDR5-5200 and four at DDR5-3600. Check the motherboard's memory support list; EXPO speeds aren't guaranteed.

AMD Ryzen 9 7900X3D — exact manufacturer specifications and part identifiers
Restated above as Maximum supported memory, Memory ceiling with two DIMMs, Memory ceiling with four DIMMs
Dual-channel DDR5 UDIMM; up to 128 GB; DDR5-5200 with two DIMMs or DDR5-3600 with fourDual-channel DDR5 UDIMM; up to 128 GB; DDR5-5200 with two DIMMs or DDR5-3600 with four
First product manufacturer sourceSecond product manufacturer source
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Closest processors to this pair by shared key specifications. Not a popularity ranking.

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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.