Key Differences
In short — Core i5-5257U outperforms Core i7-3940XM on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i5-5257U is 909 days newer than Core i7-3940XM.
Advantages of Intel Core i7-3940XM
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-5257U - 8 vs 4 threads
Advantages of Intel Core i5-5257U
- Performs up to 4% better in Sea of Thieves than Core i7-3940XM - 219 vs 211 FPS
- Consumes up to 49% less energy than Intel Core i7-3940XM - 28 vs 55 Watts
Sea of Thieves
Resolution
1920 x 1080
Game Graphics
Mythical
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Mythical
Core i7-3940XM
Mobile • Sep 3rd, 2012
Core i5-5257U
Mobile • Mar 1st, 2015
Geekbench 5 Benchmarks
Intel Core i7-3940XM | vs | Intel Core i5-5257U |
|---|---|---|
| Sep 3rd, 2012 | Release Date | Mar 1st, 2015 |
| Core i7 Extreme | Collection | Core i5 |
| Ivy Bridge | Codename | Broadwell |
| Intel Socket G2 (988B) | Socket | Intel BGA 1168 |
Mobile | Segment | Mobile |
4 | Cores | 2 |
8 | Threads | 4 |
3.0 GHz | Base Clock Speed | 2.7 GHz |
3.9 GHz | Turbo Clock Speed | 3.1 GHz |
| 55 W | TDP | 28 W |
| 22 nm | Process Size | 14 nm |
30.0x | Multiplier | 27.0x |
| Intel HD 4000 | Integrated Graphics | Intel Iris 6100 |
Yes | Overclockable | No |
