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AMD Ryzen 9 9900X

Desktop CPUAMD

Also called amd ryzen 9 9900x, ryzen 9 9900x, 9900x, ryzen-9-9900x

AMDDesktop CPUZen 5

AMD Ryzen 9 desktop processor on Zen 5, with 12 cores and 24 threads and 12288 KB L2, 64 MB L3 at 120 W TDP on a 4nm process addressing up to 256 GB and AMD Radeon Graphics.

What you need to know

Still a capable Ryzen 9 desktop chip.

AMD Ryzen 9 9900X launched in June 3, 2024., It has 12 cores and 24 threads on Zen 5, dropping into the AM5 socket. It is no longer the newest SKU in every store, but the chip is still useful when the rest of the PC keeps up.

Still good?
Yes, for most work this class is sold for
Product age
2 years old
Upgrade pressure
Low
Feex says
Old is not the same as bad. If the GPU is the bottleneck, swapping this CPU is one of the more expensive ways to learn that lesson.

What this hardware means today

Age and usefulness are not the same number. This page keeps them separate.

Performance today
Excellent. Excellent for the class when RAM, storage, and the GPU keep up.
Product age 2 years old
Previous generation. Launched June 3, 2024. Newer platforms exist. That does not make this chip unusable by itself.
Support status
Supported. Current Windows and current applications still run on this class of CPU. Platform BIOS support depends on the motherboard or laptop vendor.
Upgrade pressure
Low. Upgrade pressure is low unless you need a different platform feature.

Where does it sit?

Zen 5 sits on AMD's recent Zen desktop and laptop timeline. Later chips keep the brand and change the core.

Zen 2
Zen 3
Zen 4
Zen 5

Performance context

These are qualitative readings, not a fake 8.7 out of 10. Workload still wins.

Gaming: Very Good

Plenty for current games when the GPU is the limit, which it often is.

Productivity: Excellent

12 cores cover office, browser, and compile work in this class.

Multithreaded workloads: Very Good

24 threads. Heavy encodes still scale further on higher-core parts.

General use: Excellent

Everyday Windows use is not where most people notice this SKU first.

Efficiency: Good

Rated 120 W base power. That is a platform number, not a promise about your cooler.

Should you upgrade?

Probably not if this chip already matches your work.

Upgrade makes more sense if

  • Your workload is strongly CPU limited
  • You need a newer platform for memory, I/O, or chipset features
  • You need substantially more multicore performance
  • You need newer connectivity that your current board cannot offer

Upgrade makes less sense if

  • The GPU is the real bottleneck
  • Current applications are already responsive
  • The CPU rarely limits your workload

Specifications

Figures below follow the Feex Hardware Database record for this SKU. Fields without a recorded value are omitted.

Processor

AMD Ryzen 9 9900X is built on Zen 5 using a 4nm process at TSMC.

AMD Ryzen 9 9900X specifications: Processor
Manufacturer AMD
Family Ryzen 9
Architecture Zen 5
Codename Granite Ridge
Generation Ryzen 9000 Series
Manufacturing process 4nm
Foundry TSMC
Segment Desktop

Cores and threads

AMD Ryzen 9 9900X has 12 cores and 24 threads.

AMD Ryzen 9 9900X specifications: Cores and threads
Cores 12
P-cores 12
Threads 24

Clock speeds

Base clock is 4.4 GHz. Boost reaches 5.6 GHz.

AMD Ryzen 9 9900X specifications: Clock speeds
Base frequency 4.4 GHz
Max boost 5.6 GHz
Unlocked multiplier Yes

Cache

Cache on this sheet is 64 MB L3.

AMD Ryzen 9 9900X specifications: Cache
L2 cache 12288 KB
L3 cache 64 MB
Total cache 76 MB

Memory

AMD Ryzen 9 9900X addresses 256 GB across 2 memory channels.

AMD Ryzen 9 9900X specifications: Memory
Supported types DDR5
Max capacity 256 GB
Channels 2
Max memory speed 5600 MT/s

Package and power

AMD Ryzen 9 9900X uses the AM5 socket and a 120 W TDP.

AMD Ryzen 9 9900X specifications: Package and power
Socket AM5
TDP 120 W
PCIe Revision 5.0, 28 lanes

Integrated graphics

AMD Ryzen 9 9900X includes AMD Radeon Graphics.

AMD Ryzen 9 9900X specifications: Integrated graphics
Integrated graphics AMD Radeon Graphics

Market

AMD Ryzen 9 9900X launched June 3, 2024.

AMD Ryzen 9 9900X specifications: Market
Launch date June 3, 2024
Model 9900X

Features

AMD Ryzen 9 9900X records 38 instruction sets on this sheet.

AMD Ryzen 9 9900X specifications: Features
Instruction sets AES-NIAVX-512AVX2AVXAVX-VNNIFMASHAVAESx86-64-v464-bit (x86-64)BMI1BMI2CLMULF16CGFNIPCLMULQDQRDRANDRDSEEDSSE4.1SSE4.2x86-64-v3ABMADXCMPXCHG16BFXSRInvariant TSCLZCNTPOPCNTRDTSCPSSESSE2SSE3SSSE3x86-64-v2XSAVEXSAVEOPTMMXMOVBE
Security AMD SEVAMD SMEExecute Disable (NX)
Virtualization AMD SVMAMD-V (Hardware Virtualization)NPT / RVIIOMMU
OS capabilities Docker / Hyper-V readyLinux KVM readyWindows 11 eligibleAndroid emulator readyWSL2 ready

Independent scores

These are PassMark CPU figures. They are not Feex measurements.

AMD Ryzen 9 9900X specifications: Independent scores
Single-core score 4,677
Multi-core score 54,411
Overall score 15,952
Productivity score 41,915
Creator score 38,345
Engineering score 59,172
Gaming score 27,634
Performance per watt 453.4

Compatibility

Compatibility
Socket AM5
Board A shared socket is not automatic compatibility. Check the motherboard CPU list and BIOS revision.
Memory DDR5, up to 256 GB
Graphics AMD Radeon Graphics

A shared socket is not automatic compatibility. Boards often need a BIOS update before a newer chip in the same socket will post.

Cooler clearance, VRM quality, and power limits matter as much as the socket name.

Read the memory list on the board. The CPU can list more standards than one motherboard will accept.

No post after a CPU swap

Clear CMOS only after you confirm the board list includes this SKU and the BIOS is new enough. A supported name on a box is not the same as a flashed board.

Sources and verification

Reviewed by Feex editorial. Last verified August 2026 Status: Partially Verified. How we research.

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