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.

AMD Ryzen 5 8645HS

AMD Ryzen 5 PRO 8640HS

Differences

Reasons to consider the AMD Ryzen 5 8645HS

Around 2% higher clock speed: 5 GHz vs 4.9 GHz
Around 6% better performance in PassMark - CPU mark: 22985 vs 21773

Specifications (specs)
Maximum frequency	5 GHz vs 4.9 GHz
Benchmarks
PassMark - Single thread mark	3725 vs 3712
PassMark - CPU mark	22985 vs 21773

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

Launch date	16 Apr 2024 vs 6 Dec 2023
Thermal Design Power (TDP)	28 Watt vs 45 Watt

Compare benchmarks

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

PassMark - Single thread mark

CPU 1

CPU 2

3725

3712

PassMark - CPU mark

CPU 1

CPU 2

22985

21773

Name	AMD Ryzen 5 8645HS	AMD Ryzen 5 PRO 8640HS
PassMark - Single thread mark	3725	3712
PassMark - CPU mark	22985	21773

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	268	283
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)