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PROCESSORS

AMD Ryzen 9 5950X

Boxed, no cooler · part 100-100000059WOF

CPU cores
16
Thread count
32
Maximum boost clock
4.9 GHz

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.

Prices & buying options

UK
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US
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Price history · UK
eBay UKnew · GBP

Item price · same listing and exact model

Latest check£885.00
Lowest shown£860.00

22 observed days · 26 Sept–17 Oct

eBay UK observed item prices22 observed days. Last checked price per UTC day. Missing dates break the line. Use Explore dates or the table for exact values.
£885.0017 Oct, 12:02 UTC

Last recorded item price per UTC day. Delivery and tax are excluded. Gaps mean no recorded check. Past prices do not confirm current availability; this is not a market-wide price history.

View recorded prices
Exact listing · eBay UK · GBP
Checked (UTC)Item price
£865.00
£865.00
£865.00
£862.00
£863.00
£863.00
£860.00
£860.00
£864.00
£864.00
£866.00
£864.00
£861.00
£865.00
£865.00
£865.00
£885.00
£885.00
£885.00
£885.00
£885.00
£885.00
Price history · US
eBay USnew · USD

Item price · same listing and exact model

Latest check$607.07
Lowest shown$578.42

22 observed days · 26 Sept–17 Oct

eBay US observed item prices22 observed days. Last checked price per UTC day. Missing dates break the line. Use Explore dates or the table for exact values.
$607.0717 Oct, 12:02 UTC

Last recorded item price per UTC day. Delivery and tax are excluded. Gaps mean no recorded check. Past prices do not confirm current availability; this is not a market-wide price history.

View recorded prices
Exact listing · eBay US · USD
Checked (UTC)Item price
$581.22
$581.22
$581.22
$579.85
$579.67
$578.42
$579.63
$579.63
$579.63
$579.63
$579.63
$579.63
$579.63
$595.63
$609.98
$609.84
$609.84
$609.98
$609.98
$609.98
$609.98
$607.07

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THE ACTUAL PRODUCT
AMD's official Ryzen 9 5950X model-associated Ryzen 5000-series retail-box artwork; exact model association is established by the cited manufacturer page.
Official product image · Image source detailsProduct imagery does not establish a retailer’s bundle or condition.
Compare with AMD Ryzen 9 5900XT
Explore alternativesUpgrade from this product

Specifications checked 12 Sept 2026Manufacturer specifications, not a hands-on test.

Options worth comparing

Explore all alternatives

The nearest checked processors by key specifications, with what differs from the AMD Ryzen 9 5950X. The first matches the Compare button above.

The useful part.

Key strengths

16 Zen 3 cores and 32 threads with up to 4.9 GHz boost and 64 MB of L3 cache, unlocked for overclocking with Ryzen Master support.

Manufacturer source
The checks that matter.

Before you buy

AMD's 5950X page doesn't list maximum memory capacity or ECC support; check the motherboard's specifications if you need large memory kits or ECC.

Manufacturer source

No cooler or integrated graphics, so budget for both a cooler and a graphics card. It needs an AM4 motherboard with a compatible BIOS and DDR4 memory (rated up to 3200 MT/s).

Manufacturer source
Build around it.

Works with

Products in this catalogue that list the same socket or memory type as the AMD Ryzen 9 5950X. A shared socket or memory type is necessary but not sufficient: check the exact CPU and memory support lists, and the BIOS version, before buying.

Start a build with thisOpens My setups with the AMD Ryzen 9 5950X in place and checks each part you add
Every specification. With its source.

Full specifications

Suggest a correctionOur publishing standard

Exact configuration: AM4 boxed processor 100-100000059WOF · cooler not included

24 specifications in 8 groups. Values are manufacturer specifications unless a row says “Measured result” or “Calculated from cited specifications”. 3 rows repeat listed facts in the manufacturer’s own wording, kept under “Manufacturer wording”.

Cores & clocks

7 items
CPU cores
16Source
Thread count
32Source
Maximum boost clock
4.9 GHz

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

Source
Base clock
3.4 GHz

Base frequency; boost clocks are listed separately.

Source
CPU architecture
Zen 3

AMD's CPU core architecture.

Source
CPU unlocked for overclocking
Yes

AMD lists the CPU as unlocked for overclocking; the motherboard and firmware must support it, and results aren't guaranteed.

Source
Tuning support
Unlocked CPU overclocking; Ryzen Master support

AMD lists the CPU as unlocked for overclocking and supported by Ryzen Master. Results depend on the motherboard, cooling and the individual chip.

Source
Manufacturer wording (2)

The same facts in the manufacturer’s combined or original wording, each with its source.

Core count and architecture
16 cores · Zen 3

Core count and architecture alone don't determine application performance.

Source
Base / boost clocks and conditions
3.4 GHz base; up to 4.9 GHz boost

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

Source

Cache

2 items
L3 cache
64 MB

Total L3 cache across the processor.

Source
L2 cache
8 MBSource

Power & temperature

2 items
Default TDP
105 W

Default TDP, not measured system power.

Source
Maximum junction temperature
90 °C

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

Source
Manufacturer wording (1)

The same facts in the manufacturer’s combined or original wording, each with its source.

Processor power definitions
105 W default TDP

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

Source

Memory support

5 items
Memory support
DDR4; up to 3200 MT/s

Check the motherboard's CPU-support list, BIOS and memory support list. XMP speeds above this rating are not guaranteed.

Source
Maximum supported memory
Not listed by the manufacturer

AMD's 5950X page doesn't list a maximum memory capacity; check the motherboard's specifications for supported kit sizes.

Source
CPU ECC memory capability
Not listed by the manufacturer

AMD's 5950X page doesn't say whether ECC memory is supported; check the motherboard and CPU listing if you need ECC.

Source
Memory channels
Not listed by the manufacturer

AMD's 5950X page doesn't list the number of memory channels.

Source
Listed memory transfer-rate ceiling
3200 MT/s

AMD lists up to DDR4-3200 without separate ratings for different numbers of DIMMs.

Source

Graphics, display & AI

2 items
Integrated graphics available
No

AMD says a discrete graphics card is required.

Source
Integrated graphics or none
None; a discrete graphics card is required

AMD says a discrete graphics card is required; the motherboard's video ports won't work with this processor.

Source

PCIe, USB & storage

1 item
PCIe configuration
PCIe 4.0

CPU PCIe version, not the number of motherboard slots or a guarantee of the board's bandwidth.

Source

Platform & package

4 items
Socket
AM4Source
Cooling
Cooler required separately

Liquid cooler recommended for optimal performance

Source
Platform checks
Supported AM4 motherboard and DDR4 memory required. Check the motherboard's CPU-support list and BIOS. A separate graphics card is required.Source
Specification region
Not listed by the manufacturer

AMD's 5950X page doesn't state a regional specification.

Source

Manufacturing

1 item
CPU manufacturing process
TSMC 7nm FinFET

Manufacturing process for the CPU cores.

Source
Similar products.

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AMD's official boxed-product artwork for Ryzen 9 9950X; the exact model is established by its manufacturer page, not a readable model number on the visible box face.AMD Ryzen 9 9950XAM5 boxed processor 100-100001277WOF · cooler not includedCompare the two AMD's official boxed-product artwork associated with Ryzen 9 7950X on its exact manufacturer product page; the visible artwork identifies the family rather than a readable exact model number.AMD Ryzen 9 7950XAM5 boxed processor 100-100000514WOF · cooler not includedCompare the two AMD's official Ryzen 7 5800XT model-associated Ryzen 5000-series retail-box artwork; exact model association is established by the cited manufacturer page.AMD Ryzen 7 5800XTAM4 boxed processor 100-100001582WOFCompare the two AMD's official Ryzen 7 5800X model-associated Ryzen 5000-series retail-box artwork; exact model association is established by the cited manufacturer page.AMD Ryzen 7 5800XAM4 boxed processor 100-100000063WOF · cooler not includedCompare the two AMD's official boxed-product artwork associated with Ryzen 9 9900X on its exact manufacturer product page; the visible artwork identifies the family rather than a readable exact model number.AMD Ryzen 9 9900XAM5 boxed processor 100-100000662WOF · cooler not includedCompare the two AMD's official boxed-product artwork associated with Ryzen 9 7950X3D on its exact manufacturer product page; the visible artwork identifies the family rather than a readable exact model number.AMD Ryzen 9 7950X3DAM5 boxed processor 100-100000908WOF · cooler not includedCompare the two 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.AMD Ryzen 9 7900XAM5 boxed processor 100-100000589WOF · cooler not includedCompare the two AMD's official Ryzen 5 5600X model-associated Ryzen 5000-series retail-box artwork; exact model association is established by the cited manufacturer page.AMD Ryzen 5 5600XAM4 boxed processor 100-100000065BOX · Wraith Stealth includedCompare the two
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