AMD Ryzen 7 7745HX vs AMD Ryzen 7 7840H 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 7 7745HX offers more L3 cache (32 MB vs 16 MB) and a newer PCIe version (5.0 vs 4.0). AMD Ryzen 7 7840H offers a smaller manufacturing process (4 nm vs 5 nm) and more integrated graphics units (12 vs 2).
Performance score
0
Coming soon
0
Coming soon
Key specs
Cores & Threads8/16
Cores & Threads8/16
Turbo5.1 GHz
Turbo5.1 GHz
L3 cache32 MB
L3 cache16 MB
TDP55 W
TDPN/A
iGPUAMD Radeon 610M
iGPUAMD Radeon 780M
General
SeriesRyzen 7000
SeriesRyzen 7000
CodenameDragon Range
CodenamePhoenix
CPU architectureZen 4
CPU architectureZen 4
FoundryTSMC
FoundryTSMC
Process node5 nm
Process node4 nm
Instruction setx86-64
Instruction setx86-64
Release dateJanuary 4, 2023
Release dateJanuary 4, 2023
Cores and clocks
Cores & Threads8/16
Cores & Threads8/16
8× Zen 4
- Turbo clock
- 5.1 GHz
- Base clock
- 3.6 GHz
8× Zen 4
- Turbo clock
- 5.1 GHz
- Base clock
- 3.8 GHz
Cache
L3 cache32 MB
L3 cache16 MB
L2 cache8 MB
L2 cache8 MB
L1 cache512 KB
L1 cache512 KB
TDP
TDP55 W
TDPN/A
cTDP45 - 75 W
cTDP35 - 54 W
Max temperature100 °C
Max temperature100 °C
Connectivity
Memory supportDDR5-5200
Memory supportLPDDR5x-7500DDR5-5600
Memory channels2
Memory channels2
PCIe version5.0
PCIe version4.0
PCIe lanes28
PCIe lanes20
Graphics
ModelAMD Radeon 610M
ModelAMD Radeon 780M
iGPU architectureRDNA 2
iGPU architectureRDNA 3
Compute units2
Compute units12
Clock2200 MHz
Clock2700 MHz
AI
No NPU
Total TOPSN/A
NPU TOPS10
iGPU TOPSN/A