AMD Ryzen 5 8640U vs AMD Ryzen 5 8540U

Comparative analysis of AMD Ryzen 5 8640U and AMD Ryzen 5 8540U processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

 

Differences

Reasons to consider the AMD Ryzen 5 8640U

  • Around 14% better performance in PassMark - CPU mark: 20971 vs 18433
Benchmarks
PassMark - CPU mark 20971 vs 18433

Reasons to consider the AMD Ryzen 5 8540U

  • Around 4% better performance in PassMark - Single thread mark: 3700 vs 3547
Benchmarks
PassMark - Single thread mark 3700 vs 3547

Compare benchmarks

CPU 1: AMD Ryzen 5 8640U
CPU 2: AMD Ryzen 5 8540U

PassMark - Single thread mark
CPU 1
CPU 2
3547
3700
PassMark - CPU mark
CPU 1
CPU 2
20971
18433
Name AMD Ryzen 5 8640U AMD Ryzen 5 8540U
PassMark - Single thread mark 3547 3700
PassMark - CPU mark 20971 18433

Compare specifications (specs)

AMD Ryzen 5 8640U AMD Ryzen 5 8540U

Essentials

Launch date 6 Dec 2023 6 Dec 2023
Place in performance rating 346 321

Performance

Base frequency 3.5 GHz 3.2 GHz
Die size 178 mm² 137 mm²
L1 cache 64 KB (per core) 64 KB (per core)
L2 cache 1 MB (per core) 1 MB (per core)
L3 cache 16 MB (shared) 16 MB (shared)
Manufacturing process technology 4 nm 4 nm
Maximum core temperature 100°C 100°C
Maximum frequency 4.9 GHz 4.9 GHz
Number of cores 6 6
Number of threads 12 12
Transistor count 25,000 million 20,900 million
Unlocked

Memory

ECC memory support
Supported memory types DDR5 DDR5

Compatibility

Configurable TDP 15-30 Watt 15-30 Watt
Max number of CPUs in a configuration 1 1
Sockets supported FP8 FP7
Thermal Design Power (TDP) 28 Watt 28 Watt

Peripherals

PCIe configurations Gen 4, 20 Lanes, (CPU only) Gen 4, 14 Lanes, (CPU only)