AMD Ryzen 5 7640U vs AMD Ryzen 5 7645HX 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 7640U offers a smaller manufacturing process (4 nm vs 5 nm), a lower TDP (28 W vs 55 W), more integrated graphics units (8 vs 2), and an NPU (25 TOPS). AMD Ryzen 5 7645HX offers a higher clock speed (5.0 GHz vs 4.9 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 & Threads6/12
Turbo4.9 GHz
Turbo5.0 GHz
L3 cache16 MB
L3 cache32 MB
TDP28 W
TDP55 W
iGPUAMD Radeon 760M
iGPUAMD Radeon 610M
General
SeriesRyzen 7000
SeriesRyzen 7000
CodenamePhoenix
CodenameDragon Range
CPU architectureZen 4
CPU architectureZen 4
FoundryTSMC
FoundryTSMC
Process node4 nm
Process node5 nm
Instruction setx86-64
Instruction setx86-64
Release dateMay 3, 2023
Release dateJanuary 4, 2023
Cores and clocks
Cores & Threads6/12
Cores & Threads6/12
6× Zen 4
- Turbo clock
- 4.9 GHz
- Base clock
- 3.5 GHz
6× Zen 4
- Turbo clock
- 5.0 GHz
- Base clock
- 4.0 GHz
Cache
L3 cache16 MB
L3 cache32 MB
L2 cache6 MB
L2 cache6 MB
L1 cache384 KB
L1 cache384 KB
TDP
TDP28 W
TDP55 W
cTDP15 - 30 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 TOPS25
No NPU
NPU TOPS10
iGPU TOPSN/A