AMD Ryzen 5 8640U specifications and performance

AMD Ryzen 5 8640U is a 6 cores and 12 threads CPU processor produced by AMD. AMD Ryzen 5 8640U was released on 2023-12-06, the fabrication process is 4nm (nanometer), the CPU codename is Zen 4 (Hawk Point), the instruction set architecture is x86-64, and the CPU's integrated graphics (iGPU) is Radeon 760M.

Basic Information

Vendor / Supplier AMD
Short name r5 8640u
Release date 2023-12-06
CPU code name Zen 4 (Hawk Point)
Fabrication process 4nm (nanometer)
Instruction set architecture x86-64
Market Laptop
Integrated Graphics (iGPU) Radeon 760M

CPU core specifications

Total number of cores 6 cores
Total number of threads 12 threads
Number of performance cores 6 cores
Number of performance core threads 12 threads
Performance core base frequency / main frequency 3.5GHz
Performance core maximum turbo frequency 4.9GHz
Number of energy efficiency cores
Number of energy-efficient core threads
Energy efficiency core basic frequency / main frequency
Energy efficiency core maximum turbo frequency

CPU cache and frequency

Bus frequency 100MHz
L1 Cache 64 KB
L2 Cache 1 MB
L3 Cache 16 MB
Unlock multiplier No

Memory specifications

Maximum supported memory 256GB
Memory frequency support
  • - DDR5-5600MHz
  • - LPDDR5x-7500MHz
Maximum number of memory channels 2
Maximum memory bandwidth
ECC support No

Package specifications

CPU Socket FP7
Default thermal design power / TDP PL1 15W
Maximum Turbo Power Consumption / TDP PL2
Maximum temperature 100°C
PCIe interface PCIe 4.0
PCIe lane count 20

Integrated Graphics specifications

Integrated Graphics (iGPU) Radeon 760M
Base frequency 800MHz
Maximum acceleration frequency 2600MHz
Number of execution units 8
Stream Processors / Shading Units 512
Texture Units / TMUs 32
Raster Operations Units / ROPs 16
Total Graphics Power / TGP 15W
FP32 computing performance
5.32TFLOPS

Cinebench R23 performance test

Single core performance score
1804
Multi-core performance score
11752

PassMark performance test

Single core performance score
2924
Multi-core performance score
19266
Integer math 61 GOps/sec
Floating point math 38 GOps/sec
Find prime numbers 71 Million Primes/sec (Millions find prime numbers per second)
Random string sorting 24.4 Million Strings/sec (Millions random string sorting per second)
Data encryption 13.4 GBytes/sec (Gigabits per second)
Data compression 229.1 MBytes/sec (megabits per second)
Physics simulation 1033 Frames/sec (FPS)
Extended instruction test 17.4 Billion Matrices/sec (Billions matrix operations per second)

GeekBench v6 performance test

Single core performance
2519
Multi-core performance
10308
File compression 1080 MB/sec (megabits per second)
clang compilation 71 Klines/sec (thousands lines per second)
HTML5 browsing 226.5 pages/sec (pages per second)
PDF rendering 260.8 Mpixels/sec (megapixels per second)
Text processing 259.8 pages/sec (pages per second)
Background blur 48.1 images/sec (images per second)
Photo processing 94.5 images/sec (images per second)
Ray tracing 15.5 Mpixels/sec (megapixels per second)