CPUDesktopReleased 2022

AMD Ryzen 9 PRO 5945

12C/24T · 4.7 GHz · 65 W

The Ryzen 9 PRO 5945 is a business-class 12-core desktop processor released in September 2022 for commercial OEM systems. Two Zen 3 chiplets provide 64 MB of L3 cache within a 65 W TDP, and AMD PRO technologies add security and fleet-management features. It supports PCIe 4.0, requires a discrete graphics card and is not unlocked for overclocking.

General

Manufacturer: AMD
Model: AMD Ryzen 9 PRO 5945
Segment: Desktop
Generation: Ryzen 5000
Codename: Vermeer
Architecture: x86_64
Microarchitecture: Zen 3
Release date: 2022
Price: Search on Amazon

Cores & clocks

Cores / threads: 12 cores / 24 threads
Base clock: 3.00 GHz
Boost clock: 4.70 GHz
TDP (design W): 65 W
Unlocked: ✕ No
L2 cache: 6 MB
L3 cache: 64 MB
Technology (nm): 7 nm
TSMC N7 (CCD) + GF 12 nm (IOD)

Platform

Socket: AM4
2-CPU (multi-socket): ✕ No
Integrated GPU: None
Memory type: DDR4-3200
2-channel
Memory size: —
ECC memory: —
PCIe: PCIe 4.0

Instructions & AI

Instruction extensions: SSE4.1SSE4.2SSE4AAVXAVX2FMA3AESSHAAMD-V
NPU: None

OS support

Windows: Windows 10Windows 11 24H2Windows 11 25H2Windows 11 26H2
ChromeOS: ChromeOS
Linux: UbuntuFedoraArch Linux
Notes: Microsoft lists the Ryzen 9 PRO 5945 on its Windows 11 24H2 supported-processor list, and the 25H2 list covers the Ryzen 5000 and Ryzen PRO 5000 series without exceptions; no separate 26H2 list has been published. ChromeOS Flex installs on generic 64-bit x86 hardware.