AMD Ryzen 5 8645HS vs AMD Ryzen 5 PRO 8640HS

Comparative analysis of AMD Ryzen 5 8645HS and AMD Ryzen 5 PRO 8640HS 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 8645HS

  • Around 2% higher clock speed: 5 GHz vs 4.9 GHz
  • Around 4% better performance in PassMark - CPU mark: 22823 vs 22041
Specifications (specs)
Maximum frequency 5 GHz vs 4.9 GHz
Benchmarks
PassMark - CPU mark 22823 vs 22041

Reasons to consider the AMD Ryzen 5 PRO 8640HS

  • CPU is newer: launch date 4 month(s) later
  • Around 61% lower typical power consumption: 28 Watt vs 45 Watt
  • Around 1% better performance in PassMark - Single thread mark: 3735 vs 3709
Specifications (specs)
Launch date 16 Apr 2024 vs 6 Dec 2023
Thermal Design Power (TDP) 28 Watt vs 45 Watt
Benchmarks
PassMark - Single thread mark 3735 vs 3709

Compare benchmarks

CPU 1: AMD Ryzen 5 8645HS
CPU 2: AMD Ryzen 5 PRO 8640HS

PassMark - Single thread mark
CPU 1
CPU 2
3709
3735
PassMark - CPU mark
CPU 1
CPU 2
22823
22041
Name AMD Ryzen 5 8645HS AMD Ryzen 5 PRO 8640HS
PassMark - Single thread mark 3709 3735
PassMark - CPU mark 22823 22041

Compare specifications (specs)

AMD Ryzen 5 8645HS AMD Ryzen 5 PRO 8640HS

Essentials

Launch date 6 Dec 2023 16 Apr 2024
Place in performance rating 274 275

Performance

Base frequency 4.3 GHz 3.5 GHz
Die size 178 mm² 178 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 5 GHz 4.9 GHz
Number of cores 6 6
Number of threads 12 12
Transistor count 25,000 million 25,000 million
Unlocked

Memory

ECC memory support
Supported memory types DDR5 DDR5

Compatibility

Configurable TDP 35-54 Watt 20-30 Watt
Max number of CPUs in a configuration 1 1
Sockets supported FP8 FP7
Thermal Design Power (TDP) 45 Watt 28 Watt

Peripherals

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