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Square green CPU with gold contacts and silver heatspreader, AM5 socket, 12 core 4.7 GHz

AMD

AMD Ryzen 9 7900X 12-Core 4.7 GHz AM5 Desktop Processor 100-100000589WOF

SKU CH-5YG5-ZC421 MPN 100-100000589WOF

A 12-core, 24-thread AM5 desktop CPU with 4.7 GHz base and up to 5.6 GHz boost, 64 MB L3 cache, DDR5-5200 support and integrated Radeon graphics

  • Product nameRyzen 9 7900X
  • CPU cores12-Core
  • CPU socketSocket AM5
  • Maximum turbo clockUp to 5.6 GHz
  • TDP rating170 W
  • Processor classDesktop

Model Ryzen 9 7900X

  • 12 cores and 24 threads handle heavy multitasking workloads efficiently
  • Max turbo frequency reaches 5.6 GHz for responsive single-thread performance
  • 64 MB L3 cache reduces latency in data-intensive applications
  • DDR5 5200 support provides high memory bandwidth on AM5 platform
  • Integrated Radeon graphics enable display output without discrete GPU

Ryzen 9 7900X 12-Core AM5 Processor

The AMD Ryzen 9 7900X is a desktop processor built on the Zen 4 architecture using a 5nm process. It delivers 12 cores and 24 threads with a base frequency of 4.7 GHz and a max turbo frequency up to 5.6 GHz. The CPU fits the AM5 socket and supports DDR5 5200 memory in dual-channel configuration up to 128 GB. It includes integrated AMD Radeon Graphics and 64 MB of L3 cache.

Best for high-thread workloads and gaming

This processor suits users who need high multi-threaded performance for content creation, rendering, or heavy multitasking alongside gaming. The 170W TDP and lack of a bundled cooler mean it demands robust cooling and a compatible AM5 motherboard. Buyers focused on lower power draw, tighter budgets, or systems without discrete graphics should evaluate alternatives.

Requires AM5 motherboard and DDR5 memory

Building with this CPU requires a Socket AM5 motherboard with a chipset that supports PCIe 5.0 for full bandwidth. DDR5 5200 modules are needed to populate the dual-channel controller. The integrated graphics provide display output without a discrete GPU, freeing a PCIe slot for other expansion cards while the platform enables high-speed storage and peripherals.

How it compares

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

Price $424.99
Pricier than about 81% of the 494 comparable items (median $149.99).
CPU cores 12-Core
Higher than about 60% of the 271 comparable items (median 8).
Maximum turbo clock Up to 5.6 GHz
Higher than about 90% 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 7000 Series
Model name100-100000589WOF
Product nameRyzen 9 7900X
Performance
Working frequency4.7 GHz
Processor
CPU cores12-Core
CPU socketSocket AM5
Maximum turbo clockUp to 5.6 GHz
TDP rating170 W
Processor classDesktop
CPU threads24-Threads
L1 cache size768 KB
Level 2 cache12 MB
Level 3 cache64 MB
Process nodeZen 4 - TSMC 5 nm FinFET
CPU instruction set64-Bit
Memory
Supported memoryDDR5 5200
Channel configuration2
Memory limit128 GB
ECC memorySupported
Graphics
Built-in graphicsAMD Radeon Graphics
Ports & slots
PCIe generation5.0 / 4.0 / 3.0
Size & build
Shipping weight0.25 kg
Package size132 × 131 × 91 mm
Compatibility
Compatible desktop chipsetsAMD A620 / AMD B650 / AMD B650E / AMD B850 / AMD X670 / AMD X670E / AMD X870 / AMD X870E
Compatible systemsWindows 11
In the box
Included coolerNot included - Processor Only

Other versions of this model

2 more in the same range

Questions about this item

What DDR5 memory speed does this 12-core AM5 processor officially support?

The Ryzen 9 7900X is rated for DDR5 5200 memory and runs dual-channel up to 128 GB total capacity.

Will my existing AM4 cooler fit the 170 W AM5 socket on this chip?

No, AM5 uses a different mounting pattern and the box explicitly states no cooling device is included.

How can I confirm the integrated Radeon graphics are active after installing the CPU?

Enter the BIOS and verify the iGPU is enabled, then check Device Manager in Windows for the AMD Radeon Graphics adapter.

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