CPULaptopReleased May 3, 2023

AMD Ryzen 7 7840U

8C/16T · 5.1 GHz · 15 W

The AMD Ryzen 7 7840U is an eight-core, sixteen-thread Phoenix processor from the Ryzen 7040 series, used in premium thin-and-light laptops and handheld gaming PCs. It combines Zen 4 cores on TSMC 4 nm with the twelve-CU Radeon 780M, one of the fastest integrated GPUs of its generation, and a Ryzen AI engine rated at up to 10 TOPS. Its default TDP is 28 W, configurable from 15 to 30 W.

General

Manufacturer: AMD
Model: AMD Ryzen 7 7840U
Segment: Laptop
Generation: Ryzen 7040
Codename: Phoenix
Architecture: x86_64
Microarchitecture: Zen 4
Release date: May 3, 2023
Price: Search on Amazon

Cores & clocks

Cores / threads: 8 cores / 16 threads
Base clock: 3.30 GHz
Boost clock: 5.10 GHz
TDP (design W): 15 W
Max: 30 W
Unlocked: ✕ No
L2 cache: 8 MB
L3 cache: 16 MB
Technology (nm): 4 nm
TSMC N4

Platform

Socket: FP7, FP7r2, FP8
2-CPU (multi-socket): ✕ No
Integrated GPU: Radeon 780M
Clock: 2,700 MHz
Memory type: DDR5-5600, LPDDR5X-7500
2-channel
Memory size: Up to 256 GB
ECC memory: ✕ No
PCIe: PCIe 4.0 (20 lanes)

Instructions & AI

Instruction extensions: AESAMD-VAVXAVX2AVX-512FMA3SHASSE4.1SSE4.2SSE4ASSSE3
NPU: AMD XDNA — 10 TOPS

OS support

Windows: Windows 10Windows 11 24H2Windows 11 25H2Windows 11 26H2
ChromeOS: ChromeOS
Linux: UbuntuFedoraArch Linux
Notes: AMD lists Windows 11 64-bit, Windows 10 64-bit, RHEL and Ubuntu support. Microsoft's Windows 11 24H2 list names this processor, the 25H2 list covers the whole Ryzen 7000 Series and 26H2 keeps the 25H2 requirements. Fedora and Arch Linux run on mainline kernels, and ChromeOS Flex installs on generic 64-bit x86 hardware.