AMD · CPU

AMD Ryzen 9 9900X3D

12 cores · 5.5 GHz · AM5 · DDR5-5600

Specifications

From Wikipedia^[1]

Cores: 12 cores, 24 threads
Boost clock: Up to 5.5 GHz
L3 cache: 128 MB
Power (TDP): 120 W
Built-in graphics: Yes
Socket: AM5
PCIe: PCIe 5.0
Official DDR5 speed: DDR5-5600 (DDR5-3600 with 4 modules)
Segment: Desktop
Launched: March 12, 2025

Specs last checked Oct 19, 2026. Spotted a mistake? Tell us and we'll fix it.

Will it fit your PC?

Check this CPU against your motherboard.

Check compatibility

Compare it

Put it side by side with any other CPU.

Compare with another