Key Differences
In short — Core i5-6400 outperforms Core i7-840QM on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i5-6400 is 1838 days newer than Core i7-840QM.
Advantages of Intel Core i7-840QM
- Consumes up to 31% less energy than Intel Core i5-6400 - 45 vs 65 Watts
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-6400 - 8 vs 4 threads
Advantages of Intel Core i5-6400
- Performs up to 8% better in F1 22 than Core i7-840QM - 269 vs 250 FPS
- Works without a dedicated GPU, while Intel Core i7-840QM doesn't have integrated graphics
F1 22
Resolution
1920 x 1080
Game Graphics
Ultra High
Desktop • Jul 2nd, 2015
FPS
269
100%
Value, $/FPS
$0.29/FPS
100%
Price, $
$79
100%
FPS and Value Winner
Buy for $79 on Amazon
In Stock
Updated 12234 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra High
Mobile • Jun 20th, 2010
Desktop • Jul 2nd, 2015
Geekbench 5 Benchmarks
Intel Core i7-840QM | vs | Intel Core i5-6400 |
---|---|---|
Jun 20th, 2010 | Release Date | Jul 2nd, 2015 |
Core i7 | Collection | Core i5 |
Clarksfield | Codename | Skylake |
Intel Socket G1 | Socket | Intel Socket 1151 |
Mobile | Segment | Desktop |
4 | Cores | 4 |
8 | Threads | 4 |
1.9 GHz | Base Clock Speed | 2.7 GHz |
3.2 GHz | Turbo Clock Speed | 3.3 GHz |
45 W | TDP | 65 W |
45 nm | Process Size | 14 nm |
14.0x | Multiplier | 27.0x |
None | Integrated Graphics | HD Graphics 530 |
No | Overclockable | No |