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A square ceramic desktop CPU with gold contact pads and a silver metal heat spreader engraved with the Ryzen name

AMD

AMD Ryzen 9 9950X desktop processor

SKU CH-5EE6-4YXV1

16-core, 32-thread desktop processor with 4.3 GHz base clock and 5.7 GHz max boost on Socket AM5

  • 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 4 nm improves efficiency per watt
  • 7 GHz max boost clock accelerates single-threaded workloads
  • 64 MB L3 cache reduces latency for large data sets
  • Integrated Radeon graphics enables display output without a discrete GPU

16-Core Ryzen 9 9950X for AM5

The AMD Ryzen 9 9950X is a 16-core desktop processor built on the Zen 5 architecture. It delivers 32 threads with a base frequency of 4.3 GHz and a maximum boost of 5.7 GHz. The chip targets high-end workstations and enthusiast systems that require heavy multi-threaded throughput.

Socket AM5 platform with DDR5-5600 support

The processor fits the AM5 socket and supports dual-channel DDR5 memory up to 192 GB at 5600 MT/s. It provides 64 MB of L3 cache and 16 MB of L2 cache to reduce latency. Integrated Radeon graphics handle basic display output without a discrete card. A separate cooler is required as none is included in the package.

170 W TDP under sustained workloads

With a 170 W thermal design power the CPU is rated for continuous operation at high load rather than short bursts. The unlocked multiplier allows overclocking when paired with adequate cooling and a compatible motherboard. ECC memory support adds data integrity for professional workloads that run for extended periods.

How it compares

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

Price $347.99
Pricier than about 79% 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 5 9000 Series
Model name100-100001277
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
ECC memorySupported
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 X670 / AMD X670E / AMD X870 / AMD X870E
Compatible systemsRHEL / Ubuntu / Windows 10 / Windows 11
More details
Multimedia instructionAES, AMD-V, AVX, AVX2, AVX512, FMA3, MMX-plus, SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3, x86-64
Advanced technologiesAMD EXPO Technology , AMD Ryzen Technologies

Questions about this item

Does the 170W TDP become the first limit during long all-core workloads?

Yes, the 170W thermal design power is the primary sustained limit; the processor will throttle to stay within that envelope during extended heavy loads.

What noise and heat should I expect from the 170W chip running all day?

Expect significant heat output requiring a robust cooler; fan noise will depend entirely on the cooling solution you choose, as no cooler is included.

Which cooler must I already own for this Socket AM5 processor to operate?

You need an AM5-compatible CPU cooler rated for at least 170W TDP; the processor ships without one in the OEM package.

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