CPULaptopReleased Jan 6, 2025

AMD Ryzen AI Max 390

12C/24T · 5.0 GHz · 45 W

The AMD Ryzen AI Max 390 is a twelve-core Strix Halo processor, announced at CES on January 6, 2025 with systems arriving in the first quarter of 2025. It uses two Zen 5 chiplets with twelve cores (3.2 GHz base, up to 5.0 GHz) and 64 MB of L3 cache, paired with 32-CU Radeon 8050S graphics instead of the 40-CU Radeon 8060S of the Ryzen AI Max+ 395. Its XDNA 2 NPU is rated at 50 TOPS, for up to 110 TOPS of total AI performance, and its 256-bit LPDDR5X interface supports up to 128 GB of unified memory. Its default TDP is 55 W, configurable from 45 to 120 W.

General

Manufacturer: AMD
Model: AMD Ryzen AI Max 390
Segment: Laptop
Generation: Ryzen AI Max (300)
Codename: Strix Halo
Architecture: x86_64
Microarchitecture: Zen 5
Release date: Jan 6, 2025
Price: Search on Amazon

Cores & clocks

Cores / threads: 12 cores / 24 threads
Base clock: 3.20 GHz
Boost clock: 5.00 GHz
TDP (design W): 45 W
Max: 120 W
Unlocked: ✕ No
L2 cache: 12 MB
L3 cache: 64 MB
Technology (nm): 4 nm
TSMC N4P

Platform

Socket: FP11
2-CPU (multi-socket): ✕ No
Integrated GPU: Radeon 8050S
Clock: 2,800 MHz
Memory type: LPDDR5X-8000 (256-bit)
4-channel
Memory size: Up to 128 GB
ECC memory: —
PCIe: PCIe 4.0 (16 lanes)

Instructions & AI

Instruction extensions: AESAMD-VAVXAVX2AVX-512FMA3SHASSE4.1SSE4.2SSE4ASSSE3
NPU: AMD XDNA 2 — 50 TOPS

OS support

Windows: Windows 11 24H2Windows 11 25H2Windows 11 26H2
ChromeOS: ChromeOS
Linux: UbuntuFedoraArch Linux
Notes: AMD lists Windows 11 64-bit, RHEL and Ubuntu support, but not Windows 10. Ryzen AI Max systems ship with Windows 11 24H2 or later and the processor meets the requirements of 25H2 and 26H2. Fedora and Arch Linux run on mainline kernels, and ChromeOS Flex installs on generic 64-bit x86 hardware.