AMD Ryzen 5 PRO 8645HS vs AMD Ryzen 7 8745HX processor comparison: performance score, cores and clock speeds, cache, TDP, integrated graphics and NPU. The better value in each row is highlighted in green.
Summary
AMD Ryzen 5 PRO 8645HS offers a smaller manufacturing process (4 nm vs 5 nm), a lower TDP (45 W vs 55 W), more integrated graphics units (8 vs 2), and an NPU (31 TOPS). AMD Ryzen 7 8745HX offers more cores (8 vs 6), more threads (16 vs 12), a higher clock speed (5.1 GHz vs 5.0 GHz), more L3 cache (32 MB vs 16 MB), and a newer PCIe version (5.0 vs 4.0).
Performance score
0
Coming soon
0
Coming soon
Key specs
Cores & Threads6/12
Cores & Threads8/16
Turbo5.0 GHz
Turbo5.1 GHz
L3 cache16 MB
L3 cache32 MB
TDP45 W
TDP55 W
iGPUAMD Radeon 760M
iGPUAMD Radeon 610M
General
SeriesRyzen 8000
SeriesRyzen 8000
CodenameHawk Point
CodenameDragon Range
CPU architectureZen 4
CPU architectureZen 4
FoundryTSMC
FoundryTSMC
Process node4 nm
Process node5 nm
Instruction setx86-64
Instruction setx86-64
Release dateApril 16, 2024
Release dateApril 23, 2025
Cores and clocks
Cores & Threads6/12
Cores & Threads8/16
6× Zen 4
- Turbo clock
- 5.0 GHz
- Base clock
- 4.3 GHz
8× Zen 4
- Turbo clock
- 5.1 GHz
- Base clock
- 3.6 GHz
Cache
L3 cache16 MB
L3 cache32 MB
L2 cache6 MB
L2 cache8 MB
L1 cache384 KB
L1 cache512 KB
TDP
TDP45 W
TDP55 W
cTDP35 - 54 W
cTDP45 - 75 W
Max temperature100 °C
Max temperature100 °C
Connectivity
Memory supportLPDDR5x-7500DDR5-5600
Memory supportDDR5-5200
Memory channels2
Memory channels2
PCIe version4.0
PCIe version5.0
PCIe lanes20
PCIe lanes28
Graphics
ModelAMD Radeon 760M
ModelAMD Radeon 610M
iGPU architectureRDNA 3
iGPU architectureRDNA 2
Compute units8
Compute units2
Clock2600 MHz
Clock2200 MHz
AI
Total TOPS31
No NPU
NPU TOPS16
iGPU TOPSN/A