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AMD Ryzen 9 5950X

AMDDesktop CPU

Ryzen 9 5950X

Released November 2020.1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5950x.htmlRead 23 October 2026Launch Date 11/5/2020 in AMD's specification table. AMD's press release of 8 October 2020 gives November 5, 2020 as the expected availability. Last checked 23 October 2026.

Cores
16
Max boost clock
4.9GHz
L3 cache
64MB
Socket or package
AM4

38 of 74 fields known.

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All specs

SourceCalculated

General

Series
Ryzen 5000 Series1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5950x.htmlRead 23 October 2026Series row: Ryzen 5000 Series.
Model numbers
100-100000059WOF, 100-0000000591Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5950x.htmlRead 23 October 2026Product ID Boxed 100-100000059WOF and Product ID Tray 100-000000059.3Maker product pageamd.com/en/support/downloads/drivers.html/processors/ryzen/ryzen-5000-series/amd-ryzen-9-5950x.htmlRead 23 October 2026The Drivers and Downloads page repeats the specification table: Product ID Boxed 100-100000059WOF, Product ID Tray 100-000000059.
GTIN / EAN
7301433127459Spec databasebuildcores.com/products/CPU/pe4jfdyyf/AMD-Ryzen-9-5950XRead 23 October 2026BuildCores lists UPC 730143312745 for part number 100-100000059WOF, packaging Boxed, Includes Cooler: No. The page also lists several EAN values and an older UPC on a second line, so only the UPC that retailer listings repeat is stored.
Announced
8 October 20202Press releaseir.amd.com/news-events/press-releases/detail/972/amd-launches-amd-ryzen-5000-series-desktop-processors-the-fastest-gaming-cpus-in-the-worldRead 23 October 2026AMD press release dated 8 October 2020 introduces the Ryzen 5000 Series desktop processors.
Status
Available1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5950x.htmlRead 23 October 2026AMD's page lists the boxed and tray product IDs and has no end-of-life notice. Amazon's 5950X page shows the boxed chip for sale.
Predecessor
Not available
Successor
Not available
Launch price (US)
$7992Press releaseir.amd.com/news-events/press-releases/detail/972/amd-launches-amd-ryzen-5000-series-desktop-processors-the-fastest-gaming-cpus-in-the-worldRead 23 October 2026Table row for the Ryzen 9 5950X: 16C/32T, up to 4.9 / 3.4 GHz, 72MB total cache, 105W TDP, Cooler N/A, SEP (USD) $799. 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 $799 RCP.6Reviewtomshardware.com/reviews/amd-ryzen-9-5950x-5900x-zen-3-reviewRead 23 October 2026Launch table: Ryzen 9 5950X $799 RCP (MSRP), 16 / 32, 3.4 / 4.9 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-9-5950x.htmlRead 23 October 2026Form Factor: Desktops, Boxed Processor.
Instruction set
x86-641Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5950x.htmlRead 23 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-9-5950x.htmlRead 23 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-9-5950x.htmlRead 23 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-9-5950x.htmlRead 23 October 2026TSMC 7nm FinFET is stored as 7 nm.
AVX-512
Not available

Cores and clocks

Core configuration
CountCoreBase clock (GHz)Max clock (GHz)
16Zen 33.44.9
Source1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5950x.htmlRead 23 October 2026AMD names no core roles. Processor Architecture Zen 3 (Key Features lists AMD Zen 3 Core Architecture) and # of CPU Cores 16. Base Clock 3.4 GHz is AMD's average effective base frequency of all cores. Max. Boost Clock Up to 4.9 GHz is the highest single-core clock.3Maker product pageamd.com/en/support/downloads/drivers.html/processors/ryzen/ryzen-5000-series/amd-ryzen-9-5950x.htmlRead 23 October 2026Same table: 16 cores, 32 threads, Zen 3, base 3.4 GHz and up to 4.9 GHz.
Cores
16
Cores labelled performance
Not available
Cores labelled efficiency
Not available
Threads
321Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5950x.htmlRead 23 October 2026# of Threads 32.
Max boost clock
4.9GHz1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5950x.htmlRead 23 October 2026Max. Boost Clock: Up to 4.9 GHz.
Unlocked for overclocking
Yes1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5950x.htmlRead 23 October 2026Unlocked for Overclocking: Yes.

Cache

L2 cache
8MB1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5950x.htmlRead 23 October 2026L2 Cache 8 MB.
L3 cache
64MB1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5950x.htmlRead 23 October 2026L3 Cache 64 MB. AMD's launch table lists 72 MB total cache, which is L2 plus L3.
AMD 3D V-Cache
No1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5950x.htmlRead 23 October 2026AMD lists 64 MB L3 and no stacked cache or 3D V-Cache.

Power and thermals

Base power (TDP)
105W1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5950x.htmlRead 23 October 2026Default TDP 105W.
Max turbo power
142W6Reviewtomshardware.com/reviews/amd-ryzen-9-5950x-5900x-zen-3-reviewRead 23 October 2026Page 3 says the 5950X's power consumption peaked right at the 142W PPT limit for brief periods in its stress test, and page 4 says the AM4 socket constrains maximum power consumption to 142W. 142 W is AMD's package power tracking (PPT) limit.8Reviewkitguru.net/components/cpu/luke-hill/amd-ryzen-9-5950x-zen-3-cpu-review/all/1Read 23 October 2026KitGuru, 5950X review of 5 November 2020: the 16-core 5950X does not use its full 142W PPT allocation at stock. 142 W is AMD's package power tracking (PPT) limit.9Spec databasebuildcores.com/products/CPU/pe4jfdyyf/AMD-Ryzen-9-5950XRead 23 October 2026PPT 142 W for the 5950X, which matches Tom's Hardware and KitGuru.
Configurable power range
Not available
Max operating temperature
90°C1Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5950x.htmlRead 23 October 2026Max. Operating Temperature (Tjmax) 90C.3Maker product pageamd.com/en/support/downloads/drivers.html/processors/ryzen/ryzen-5000-series/amd-ryzen-9-5950x.htmlRead 23 October 2026Same table: Max. 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-9-5950x.htmlRead 23 October 2026System Memory Type DDR4 and System Memory Specification Up to 3200 MT/s. AMD's page gives no module type, rank or per-configuration speeds, 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-9-5950x-zen-3-cpu-review/all/1Read 23 October 2026KitGuru describes support for dual-channel DDR4 memory. AMD's 5950X page has no Memory Channels row.
Memory bandwidth (claimed)
Not available
Max memory
128GB9Spec databasebuildcores.com/products/CPU/pe4jfdyyf/AMD-Ryzen-9-5950XRead 23 October 2026Max Memory Support 128 GB. AMD's 5950X page gives no maximum memory.
ECC memory support
Not available

Platform

Socket or package
AM41Maker product pageamd.com/en/products/processors/desktops/ryzen/5000-series/amd-ryzen-9-5950x.htmlRead 23 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 23 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 5950X page lists no chipsets.
CPU PCIe lanes
PCIe generationLanes
420
Source6Reviewtomshardware.com/reviews/amd-ryzen-9-5950x-5900x-zen-3-reviewRead 23 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-9-5950x-zen-3-cpu-review/all/1Read 23 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-9-5950x.htmlRead 23 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

CPU power in multi-thread load (measured)
134W7Measurementtomshardware.com/reviews/amd-ryzen-9-5950x-5900x-zen-3-review/4Read 23 October 2026HandBrake Power chart: CPU only, complete package power, software reading, HandBrake 1.2.2 x265 encode of a 1.5 GB .MKV to MP4, average 134 W for the stock Ryzen 9 5950X (194 W with PBO). The x264 chart shows 136 W. Tom's 2020 test system: MSI MEG X570 Godlike, 2x 8 GB G.Skill Trident Z Royal DDR4-3600 run at DDR4-3200, Corsair H115i cooler, Windows 10 Pro 2004. This is a HandBrake load, not the Cinebench 2024 multi-core run that Tom's uses in its 2026 reviews.
CPU power while gaming (measured)
Not available
CPU power at idle (measured)
19W7Measurementtomshardware.com/reviews/amd-ryzen-9-5950x-5900x-zen-3-review/4Read 23 October 2026Idle Power Consumption chart: CPU only, complete package power, average 19 W for the stock Ryzen 9 5950X (29 W with PBO). Same test system. Tom's does not describe the idle state beyond the Windows desktop.
CPU temperature in stress test
53°C8Reviewkitguru.net/components/cpu/luke-hill/amd-ryzen-9-5950x-zen-3-cpu-review/all/1Read 23 October 2026CPU Temperature chart: 53 C for the stock Ryzen 9 5950X (3.4-4.9GHz, 199W system load) after 5 minutes of the Cinebench R20 nT render (CPU load only), Fractal Celsius+ S28 Prisma 280mm AIO at full pump and fan speed, ambient around 22 C. Test system: X570 boards from ASUS and Gigabyte, 2x 16 GB DDR4-3600 CL16, AGESA 1.1.0.0. The chart reads 33 C idle and 83 C with PBO.
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-9-5950x.htmlRead 23 October 2026Thermal Solution (PIB): Not Included. Recommended Cooler: Liquid cooler recommended for optimal performance. The recommendation is not stored.
Included cooler
Not available

Warranty

Manufacturer warranty (source market)
3years5Maker product pageamd.com/en/resources/support-articles/warranty/PIB.htmlRead 23 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.

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Variants

Each variant lists only what differs from the specs above.

Model numberGTINLaunch price (US)
100-100000059WOF730143312745$799
100-000000059Not availableNot available

Sources

We read 9 sources for this CPU. The numbers match the markers in the sheet.

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

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