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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

  • Processors TypeDesktop
  • NameRyzen 9 9950X
  • CPU Socket TypeSocket AM5
  • Core NameGranite Ridge
  • # of Cores16-Core
  • # of Threads32-Threads
  • 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.

Highlights

  • 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

Specifications

BrandAMD
Processors TypeDesktop
SeriesRyzen 9 9000 Series
NameRyzen 9 9950X
Model100-100001277WOZ
CPU Socket TypeSocket AM5
Core NameGranite Ridge
# of Cores16-Core
# of Threads32-Threads
Operating Frequency4.3 GHz
Max Turbo FrequencyUp to 5.7 GHz
L1 Cache1MB
L2 Cache16MB
L3 Cache64MB
Manufacturing TechZen 5 - TSMC 4nm FinFET
Memory TypesDDR5 5600
Memory Channel2
Max Memory Size192 GB
Integrated GraphicsAMD Radeon Graphics
Graphics Base Frequency2200 MHz
PCI Express Revision5.0
Max Number of PCI Express Lanes24/28 (Usable/Total)
Thermal Design Power170W
Compatible Desktop ChipsetsAMD A620 / AMD B650 / AMD B650E / AMD B850 / AMD X670 / AMD X670E / AMD X870 / AMD X870E
Operating System SupportedRHEL / Ubuntu / Windows 10 / Windows 11
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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