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Square green ceramic CPU with gold contact pads and silver heatspreader engraved with Ryzen 9 9950X

AMD

AMD Ryzen 9 9950X 16-Core 4.3 GHz desktop processor

SKU CH-YD0G-MZJWW

16-core desktop processor with 32 threads, 4.3 GHz base and 5.7 GHz max boost, 64 MB L3 cache, DDR5-5600 support and integrated Radeon graphics on the AM5 platform

  • Product nameRyzen 9 9950X
  • CPU cores16-Core
  • CPU socketSocket AM5
  • Maximum turbo clockUp to 5.7 GHz
  • TDP rating170 W
  • Processor classDesktop
  • 16 cores and 32 threads deliver high multi-threaded throughput
  • Zen 5 architecture on TSMC 4nm FinFET boosts efficiency per watt
  • Up to 5.7 GHz max boost accelerates single-thread workloads
  • 64 MB L3 cache reduces memory latency for large datasets
  • DDR5-5600 dual-channel support enables up to 192 GB system memory

16-Core Zen 5 Desktop Processor

The AMD Ryzen 9 9950X is a 16-core, 32-thread desktop processor built on the Zen 5 architecture. It operates at a 4.3 GHz base frequency with a maximum boost up to 5.7 GHz. The chip includes 64 MB of L3 cache and 16 MB of L2 cache. Integrated AMD Radeon graphics run at a 2200 MHz base frequency. It targets enthusiasts and professionals who need high multi-threaded throughput.

Socket AM5 DDR5 Platform Requirements

This processor fits the Socket AM5 platform and supports dual-channel DDR5 memory at 5600 MT/s up to 192 GB capacity. On select motherboards it can enable PCIe 5.0 connectivity for graphics and storage. The 170 W TDP means a capable aftermarket cooler is required because none is bundled. Builders must pair it with an AM5 motherboard and DDR5 modules to complete the system.

Suited for Heavy Multi-Threaded Workloads

The 16-core design suits content creation, rendering, compilation and other heavily threaded tasks that can use 32 threads. Users whose workloads are lightly threaded or primarily gaming-focused may find better value in processors with fewer cores. The integrated graphics provide basic display output but are not intended for demanding 3D applications.

How it compares

Measured against everything we stock in Desktop Processors, at today’s prices. Recalculated every night.

Price $511.99
Pricier than about 82% of the 494 comparable items (median $149.99).
CPU cores 16-Core
Higher than about 70% of the 271 comparable items (median 8).
Maximum turbo clock Up to 5.7 GHz
Higher than about 92% of the 246 comparable items (median 4.7 GHz).

New to this? Buying a processor with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameAMD
Product lineRyzen 9 9000 Series
Model name100-100001277WOZ
Product nameRyzen 9 9950X
Performance
Working frequency4.3 GHz
Processor
CPU cores16-Core
CPU socketSocket AM5
Maximum turbo clockUp to 5.7 GHz
TDP rating170 W
Processor classDesktop
Processor codenameGranite Ridge
CPU threads32-Threads
L1 cache size1 MB
Level 2 cache16 MB
Level 3 cache64 MB
Process nodeZen 5 - TSMC 4 nm FinFET
Max PCIe lanes24/28 (Usable/Total)
Memory
Supported memoryDDR5 5600
Channel configuration2
Memory limit192 GB
Graphics
Built-in graphicsAMD Radeon Graphics
GPU base clock2200 MHz
Ports & slots
PCIe generation5.0
Compatibility
Compatible desktop chipsetsAMD A620 / AMD B650 / AMD B650E / AMD B850 / AMD X670 / AMD X670E / AMD X870 / AMD X870E
Compatible systemsRHEL / Ubuntu / Windows 10 / Windows 11
More details
Advanced technologiesAMD EXPO Technology , AMD Ryzen Technologies

Questions about this item

How does the 170W TDP limit sustained all-core performance?

The 170W TDP sets the thermal ceiling; under continuous heavy loads the processor will throttle to stay within this power envelope, so actual sustained clocks depend on your cooling solution.

What noise and heat should I expect when the 16 cores run at 5.7 GHz all day?

At 5.7 GHz boost the chip can draw the full 170W, producing significant heat; fan noise and case temperatures will be dictated entirely by the cooler you install, as none is included.

Which DDR5 memory kit do I need to have ready for this CPU to work?

You must supply DDR5-5600 modules; the dual-channel controller supports up to 192 GB, so a matched kit of two or four sticks is required before the system will POST.

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