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AMD

Ryzen 9 9950X Spec and Price in the United Kingdom

AM516 cores / 32 threads

Released August 15, 2024 ·

AMD's flagship non-3D part on AM5: sixteen Zen 5 cores and 32 threads boost up to 5.7GHz inside a 170W TDP, the same core count and clock ceiling as the 9950X3D but with 64MB of L3 cache instead of 128MB. That trade favors heavy multi-core work like rendering and compilation over the cache-bound gaming loads the X3D chips target. Unlocked and sold without a cooler, it expects a serious air or liquid cooler behind it.

Tied 5th of 65 models in the CPU catalog on Boost clock — 5 models share this figure. Tied 17th of 65 models in the CPU catalog on L3 cache — 7 models share this figure.

Current best price
£433.99at Amazon.co.uk · captured 2026-09-15View at Amazon.co.uk

Captured periodically and may have changed.

Price history

30D90D180DAll
  • Ryzen 9 9950X
March 19, 2026156 capturestoday · £433.99

Each point is one capture, not a list price. How we track prices

Specifications

Cores
16
Threads
32
Socket
AM5
Boost clock
5.7 GHz
Base clock
4.3 GHz
L3 cache
64 MB
L2 cache
16 MB
TDP
170 W
Integrated graphics
Yes
Architecture
Zen 5
Process node
TSMC 4nm FinFET
Integrated GPU
AMD Radeon Graphics
Memory support
DDR5-5600
PCIe generation
5
PCIe lanes
24
Unlocked
Yes
Included cooler
No

Guides for this category

How to choose a desktop CPUA chip's socket decides what it can go into; cores, cache and TDP decide what you actually get once it's installed.How many CPU cores you actually needWhy more cores is not more speed, how gaming and productivity ask for cores differently, and why a core count alone never ranks two chips.When a CPU price is actually goodWhy a chip's list price and discount percentage tell you little, what a processor's price does over its life, and how to read its tracked history.Laptop CPU vs desktop CPUA mobile chip with the same core count is not the same processor — what the power envelope changes, and why these parts carry no price.

What owners and reviewers say

Summarised from 2 source(s), reviewed September 13, 2026. A source is counted only where it names this model exactly. How we track prices

Commonly praised

  • Called the fastest desktop processor for productivity, and a better all-round chip than the competing flagship.
  • Runs cooler and draws slightly less power than the rival, with uniform cores that keep software scheduling simple.
  • Owners emphasise efficiency, reporting lower power draw and cooler, quieter operation than the parts it replaces.
  • Multi-threaded and productivity work is described as very fast, with everyday tasks handled easily.
  • Dropping it into an existing AM5 board with a BIOS update is repeatedly described as simple and reliable.

Commonly criticised

  • Improvements over the prior generation are only marginal.
  • Platform-level power draw is on the high side, and gamers are told to wait for the stacked-cache parts.
  • Gaming gains over the previous generation are described as modest, and several owners find it trails the 3D V-Cache chips in games.
  • Owners say getting the best out of it takes manual tuning of core offset and memory profiles.

Sources behind this summary

Sources

Every spec above was pulled from one of these — a field a source didn't state was left off rather than estimated.

The MSRP above came from this source instead, tracked separately from the specs.