Key Differences
In short — Core i9-7940X outperforms Core i7-5557U on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-7940X is 915 days newer than Core i7-5557U.
Advantages of Intel Core i7-5557U
- Consumes up to 83% less energy than Intel Core i9-7940X - 28 vs 165 Watts
- Works without a dedicated GPU, while Intel Core i9-7940X doesn't have integrated graphics
Advantages of Intel Core i9-7940X
- Performs up to 4% better in Ready or Not than Core i7-5557U - 265 vs 254 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i7-5557U - 28 vs 4 threads
Ready or Not
Resolution
1920 x 1080
Game Graphics
Epic
Desktop • Sep 1st, 2017
FPS
265
100%
Value, $/FPS
$1.45/FPS
100%
Price, $
$385
100%
FPS and Value Winner
Buy for $385 on Amazon
In Stock
Updated 10 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Epic
Mobile • Mar 1st, 2015
Desktop • Sep 1st, 2017
Geekbench 5 Benchmarks
Intel Core i7-5557U | vs | Intel Core i9-7940X |
---|---|---|
Mar 1st, 2015 | Release Date | Sep 1st, 2017 |
Core i7 | Collection | Core i9 |
Broadwell | Codename | Skylake |
Intel BGA 1168 | Socket | Intel Socket 2066 |
Mobile | Segment | Desktop |
2 | Cores | 14 |
4 | Threads | 28 |
3.1 GHz | Base Clock Speed | 3.1 GHz |
3.4 GHz | Turbo Clock Speed | 4.3 GHz |
28 W | TDP | 165 W |
14 nm | Process Size | 14 nm |
31.0x | Multiplier | 31.0x |
Intel Iris 6100 | Integrated Graphics | None |
No | Overclockable | Yes |