Key Differences
In short — Core i5-5257U 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 i5-5257U is 1715 days newer than Core i7-840QM.
Advantages of Intel Core i7-840QM
- 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 14% better in Rust than Core i7-840QM - 173 vs 152 FPS
- Consumes up to 38% less energy than Intel Core i7-840QM - 28 vs 45 Watts
- Works without a dedicated GPU, while Intel Core i7-840QM doesn't have integrated graphics
Rust
Resolution
1920 x 1080
Game Graphics
High
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
High
Core i7-840QM
Mobile • Jun 20th, 2010
Core i5-5257U
Mobile • Mar 1st, 2015
Geekbench 5 Benchmarks
Intel Core i7-840QM | vs | Intel Core i5-5257U |
|---|---|---|
| Jun 20th, 2010 | Release Date | Mar 1st, 2015 |
| Core i7 | Collection | Core i5 |
| Clarksfield | Codename | Broadwell |
| Intel Socket G1 | Socket | Intel BGA 1168 |
Mobile | Segment | Mobile |
4 | Cores | 2 |
8 | Threads | 4 |
| 1.9 GHz | Base Clock Speed | 2.7 GHz |
3.2 GHz | Turbo Clock Speed | 3.1 GHz |
| 45 W | TDP | 28 W |
| 45 nm | Process Size | 14 nm |
| 14.0x | Multiplier | 27.0x |
| None | Integrated Graphics | Intel Iris 6100 |
| No | Overclockable | No |
