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 3% better in HITMAN 3 than Core i7-5557U - 200 vs 195 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i7-5557U - 28 vs 4 threads
HITMAN 3
Resolution
1920 x 1080
Game Graphics
Ultra
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i7-5557U
Mobile • Mar 1st, 2015
Core i9-7940X
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 |
