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AMD Ryzen 9 5900X

AMDDesktop CPU

Ryzen 9 5900X

Released November 2020.1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5900x.htmlRead 20 October 2026Launch Date 11/5/2020 in AMD's specification table, which is 5 November 2020. AMD's press release of 8 October 2020 gives the same date for availability. Last checked 23 October 2026.

Cores
12
Max boost clock
4.8GHz
L3 cache
64MB
Socket or package
AM4

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All specs

SourceCalculated

General

Series
Ryzen 5000 Series1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5900x.htmlRead 20 October 2026Series row: Ryzen 5000 Series.
Model numbers
100-100000061WOF, 100-0000000611Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5900x.htmlRead 20 October 2026Product ID Boxed 100-100000061WOF and Product ID Tray 100-000000061. The page lists no other IDs.
GTIN / EAN
73014331273810Spec databasebuildcores.com/products/CPU/kfib3ov7p/AMD-Ryzen-9-5900XRead 20 October 2026BuildCores lists UPC 730143312738 and EAN 0730143312738 for part number 100-100000061WOF, packaging Boxed, Includes Cooler: No. The UPC belongs to the boxed product ID.
Announced
8 October 20203Press releaseir.amd.com/news-events/press-releases/detail/972/amd-launches-amd-ryzen-5000-series-desktop-processors-the-fastest-gaming-cpus-in-the-worldRead 20 October 2026AMD press release dated 8 October 2020 launches the Ryzen 5000 Series desktop processors.
Status
Available1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5900x.htmlRead 20 October 2026AMD's page still lists the Product ID Boxed 100-100000061WOF and no AMD end-of-life notice was found. See the CCL Online source for a retailer that labels it Discontinued.9Retailer pagecclonline.com/100-100000061wof-amd-ryzen-9-5900x-3-7ghz-twelve-core-am4-cpuRead 20 October 2026CCL Online marks the 100-100000061WOF listing Discontinued at 240.99 GBP. Amazon's 5900X page shows only marketplace sellers. AMD still lists the boxed ID and no AMD notice was found, so the status stays available.
Predecessor
Not available
Successor
AMD Ryzen 9 7900X11Reviewtomshardware.com/reviews/amd-ryzen-9-7900x-cpu-review/4Read 23 October 2026Tom's Hardware's Ryzen 9 7900X review calls the Ryzen 9 5900X its prior-gen counterpart with the same 12 cores.
Launch price (US)
$5493Press releaseir.amd.com/news-events/press-releases/detail/972/amd-launches-amd-ryzen-5000-series-desktop-processors-the-fastest-gaming-cpus-in-the-worldRead 20 October 2026Table row for the Ryzen 9 5900X: 12C/24T, up to 4.8 GHz / 3.7 GHz, 70MB total cache, 105W TDP, Cooler N/A, SEP (USD) $549. SEP is before sales tax. The price is for the retail chip, so it is stored on the boxed row. Tom's Hardware's launch table lists the same $549 RCP.7Reviewtomshardware.com/reviews/amd-ryzen-9-5950x-5900x-zen-3-reviewRead 20 October 2026Launch table: Ryzen 9 5900X $549 RCP (MSRP), 12 / 24, 3.7 / 4.8 GHz, 105W, 64MB (2x32).
Launch price (EU)
Not available
Markets
Not available
Colours
Not available
Segment
Desktop1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5900x.htmlRead 20 October 2026Form Factor: Desktops, Boxed Processor.
Instruction set
x86-641Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5900x.htmlRead 20 October 2026OS Support lists Windows 10 64-Bit Edition, RHEL x86 64-Bit and Ubuntu x86 64-Bit. The page has no Instruction Set row, and the x86 64-bit systems are the evidence.
Codename
Vermeer1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5900x.htmlRead 20 October 2026Former Codename row reads Vermeer.
CPU process (as published)
TSMC 7nm FinFET1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5900x.htmlRead 20 October 2026Processor Technology for CPU Cores: TSMC 7nm FinFET.
CPU process node
7nm1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5900x.htmlRead 20 October 2026TSMC 7nm FinFET is stored as 7 nm.
AVX-512
Not available

Cores and clocks

Core configuration
CountCoreBase clock (GHz)Max clock (GHz)
12Zen 33.74.8
Source1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5900x.htmlRead 20 October 2026AMD names no core roles. # of CPU Cores 12 and Supported Technologies lists AMD Zen 3 Core Architecture. Base Clock 3.7 GHz is AMD's average effective base frequency of all cores. Max. Boost Clock Up to 4.8 GHz is the highest single-core clock.
Cores
12
Cores labelled performance
Not available
Cores labelled efficiency
Not available
Threads
241Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5900x.htmlRead 20 October 2026# of Threads 24.
Max boost clock
4.8GHz1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5900x.htmlRead 20 October 2026Max. Boost Clock: Up to 4.8 GHz.
Unlocked for overclocking
Yes1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5900x.htmlRead 20 October 2026Unlocked for Overclocking: Yes.

Cache

L2 cache
6MB1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5900x.htmlRead 20 October 2026L2 Cache 6 MB. AMD's press release counts 70 MB total cache, which is 6 MB L2 plus 64 MB L3.
L3 cache
64MB1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5900x.htmlRead 20 October 2026L3 Cache 64 MB.
AMD 3D V-Cache
No1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5900x.htmlRead 20 October 2026AMD lists 64 MB L3 and its Supported Technologies name AMD StoreMI, Zen 3 Core Architecture, Ryzen Master and Ryzen VR-Ready Premium, so no 3D V-Cache. Tom's Hardware's launch table gives the L3 as 64 MB in two 32 MB blocks.

Power and thermals

Base power (TDP)
105W1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5900x.htmlRead 20 October 2026Default TDP 105W.
Max turbo power
142W6Reviewcomputerbase.de/artikel/prozessoren/amd-ryzen-7950x-7900x-7700x-7600x-test.81670/seite-2Read 20 October 2026ComputerBase, Ryzen 9 7950X and 7700X test (26 September 2022), page 2 table TDP und PPT der X-CPUs mit Zen 4 und Zen 3 im Vergleich, row Ryzen 9 5900X: 105 Watt TDP, 142 Watt PPT, ratio 1.35. 142 W is AMD's package power tracking (PPT) limit.8Reviewkitguru.net/components/cpu/luke-hill/amd-ryzen-9-5900x-zen-3-cpu-review/all/1Read 20 October 2026KitGuru, Ryzen 9 5900X review of 5 November 2020: the text gives TDP 105W and PPT 142W for the 5900X. 142 W is AMD's package power tracking (PPT) limit.
Configurable power range
Not available
Max operating temperature
90°C1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5900x.htmlRead 20 October 2026Max. Operating Temperature (Tjmax) 90C.

Memory

Memory support
Memory typeMax speed (MT/s)
DDR43,200
Source1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5900x.htmlRead 20 October 2026System Memory Type DDR4 and System Memory Specification Up to 3200 MT/s. AMD's current page gives no module type, rank or per-configuration speeds for this chip, so the row has only the type and the speed.
Max memory speed (official)
3,200MT/s
Memory channels
28Reviewkitguru.net/components/cpu/luke-hill/amd-ryzen-9-5900x-zen-3-cpu-review/all/1Read 20 October 2026The review describes dual-channel DDR4 and does not give a channel count in a table.9Retailer pagecclonline.com/100-100000061wof-amd-ryzen-9-5900x-3-7ghz-twelve-core-am4-cpuRead 20 October 2026CCL Online (UK) specification: Number of Memory Channels: 2 channels. BuildCores also lists 2.10Spec databasebuildcores.com/products/CPU/kfib3ov7p/AMD-Ryzen-9-5900XRead 20 October 2026Memory Channels 2.
Memory bandwidth (claimed)
Not available
Max memory
128GB10Spec databasebuildcores.com/products/CPU/kfib3ov7p/AMD-Ryzen-9-5900XRead 20 October 2026Max Memory Support 128 GB. AMD's 5900X page gives no maximum memory. The 5700X page states 128 GB.
ECC memory support
Not available

Platform

Socket or package
AM41Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5900x.htmlRead 20 October 2026CPU Socket AM4.
Compatible chipsets
AMD X570, AMD B550, AMD A520, AMD X470, AMD B4504Maker product pageamd.com/en/products/processors/chipsets/am4.htmlRead 20 October 2026AMD's Socket AM4 chipset compatibility matrix, column AMD Ryzen 5000 Series Processors: X570, B550, A520, X470 and B450 are marked compatible. X370, B350 and A320 read Selective Beta BIOS update needed and are not stored. The matrix is by series, since AMD's 5900X page lists no chipsets.
CPU PCIe lanes
PCIe generationLanes
420
Source7Reviewtomshardware.com/reviews/amd-ryzen-9-5950x-5900x-zen-3-reviewRead 20 October 2026Tom's Hardware, 5950X and 5900X review of 26 November 2020: the Ryzen chips continue to expose 20 lanes of PCIe 4.0 to the user. AMD's page gives only PCIe 4.0 as the version.8Reviewkitguru.net/components/cpu/luke-hill/amd-ryzen-9-5900x-zen-3-cpu-review/all/1Read 20 October 2026KitGuru describes 16+4+4 PCIe Gen 4 lanes. 16 for graphics and 4 for storage are usable and the last 4 link the chipset, which matches Tom's 20 usable lanes.
CPU PCIe lanes in total
20
Highest PCIe generation
4
Native USB ports
Not available
Native USB4 or Thunderbolt
Not available

Integrated graphics

Integrated graphics
No1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5900x.htmlRead 20 October 2026Graphics Model: Discrete Graphics Card Required.
Integrated GPU
Not available
GPU cores
Not available
Max GPU clock
Not available
Max displays
Not available
DisplayPort version
Not available
HDMI version
Not available
Hardware video encode
Not available
Hardware video decode
Not available

NPU

We could not find any of these 2 fields. Show them
NPU performance
Not available
Total AI performance
Not available

Measured performance

We could not find any of these 7 fields. Show them
Cinebench 2024 single-core
Not available
Cinebench 2024 multi-core
Not available
Cinebench 2026 single-thread
Not available
Cinebench 2026 multi-core
Not available
Geekbench 6 single-core
Not available
Geekbench 6 multi-core
Not available
Game frame rates
Not available

Measured power and temperature

We could not find any of these 5 fields. Show them
CPU power in multi-thread load (measured)
Not available
CPU power while gaming (measured)
Not available
CPU power at idle (measured)
Not available
CPU temperature in stress test
Not available
All-core clock in stress test
Not available

In the box

Cooler in the box
No1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5900x.htmlRead 20 October 2026Thermal Solution (PIB): Not Included. AMD's press release lists Cooler N/A.
Included cooler
Not available

Warranty

Manufacturer warranty (source market)
3years5Maker product pageamd.com/en/resources/support-articles/warranty/PIB.htmlRead 20 October 2026AMD Processor in a Box (PIB) 3-Year Limited Warranty for boxed processors bought new at retail. A tray processor is handled by the seller, not AMD. Global. Amazon's 5900X page also says 3 year manufacturer.

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Variants

Each variant lists only what differs from the specs above.

Model numberGTINLaunch price (US)
100-100000061WOF730143312738$549
100-000000061Not availableNot available

Sources

We read 11 sources for this CPU. The numbers match the markers in the sheet.

  1. Read 20 October 2026Backs 24 fields
  2. Read 20 October 2026Backs 1 field
  3. Read 20 October 2026Backs 3 fields
  4. Read 20 October 2026Backs 1 field
  5. Read 20 October 2026Backs 1 field
  6. Read 20 October 2026Backs 1 field
  7. Read 20 October 2026Backs 2 fields
  8. Read 20 October 2026Backs 3 fields
  9. Read 20 October 2026Backs 2 fields
  10. Read 20 October 2026Backs 4 fields
  11. Read 23 October 2026Backs 1 field

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