AMD Ryzen 7 PRO 7840U vs AMD Ryzen 9 7940H 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 PRO 7840U offers an NPU (32 TOPS). AMD Ryzen 9 7940H offers a higher clock speed (5.2 GHz vs 5.1 GHz).
Performance score
0
Coming soon
0
Coming soon
Key specs
Cores & Threads8/16
Cores & Threads8/16
Turbo5.1 GHz
Turbo5.2 GHz
L3 cache16 MB
L3 cache16 MB
TDP28 W
TDPN/A
iGPUAMD Radeon 780M
iGPUAMD Radeon 780M
General
SeriesRyzen 7000
SeriesRyzen 7000
CodenamePhoenix
CodenamePhoenix
CPU architectureZen 4
CPU architectureZen 4
FoundryTSMC
FoundryTSMC
Process node4 nm
Process node4 nm
Instruction setx86-64
Instruction setx86-64
Release dateJune 13, 2023
Release dateJanuary 4, 2023
Cores and clocks
Cores & Threads8/16
Cores & Threads8/16
8× Zen 4
- Turbo clock
- 5.1 GHz
- Base clock
- 3.3 GHz
8× Zen 4
- Turbo clock
- 5.2 GHz
- Base clock
- 4.0 GHz
Cache
L3 cache16 MB
L3 cache16 MB
L2 cache8 MB
L2 cache8 MB
L1 cache512 KB
L1 cache512 KB
TDP
TDP28 W
TDPN/A
cTDP15 - 30 W
cTDP35 - 54 W
Max temperature100 °C
Max temperature100 °C
Connectivity
Memory supportLPDDR5x-7500DDR5-5600
Memory supportLPDDR5x-7500DDR5-5600
Memory channels2
Memory channels2
PCIe version4.0
PCIe version4.0
PCIe lanes20
PCIe lanes20
Graphics
ModelAMD Radeon 780M
ModelAMD Radeon 780M
iGPU architectureRDNA 3
iGPU architectureRDNA 3
Compute units12
Compute units12
Clock2700 MHz
Clock2800 MHz
AI
Total TOPS32
Total TOPSN/A
NPU TOPS10
NPU TOPS10
iGPU TOPSN/A
iGPU TOPSN/A