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Key Differences
In short — Core i5-8400 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 i5-8400 is 1858 days newer than Core i7-3940XM.
Advantages of Intel Core i7-3940XM
- Consumes up to 15% less energy than Intel Core i5-8400 - 55 vs 65 Watts
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 8 vs 6 threads
- Works without a dedicated GPU, while Intel Core i5-8400 doesn't have integrated graphics
Advantages of Intel Core i5-8400
- Performs up to 10% better in Far Cry 5 than Core i7-3940XM - 208 vs 189 FPS
Far Cry 5
Resolution
1920 x 1080
Game Graphics
Ultra
Core i5-8400
Desktop • Oct 5th, 2017
FPS
208
100%
Value, $/FPS
$0.63/FPS
100%
Price, $
$130.73
100%
FPS and Value Winner
Intel Core i5-8400 Desktop Processor 6 Cores up to 4.0 GHz LGA 1151 300 Series 65W
Buy for $130.73 on Amazon
In Stock
Updated 7557 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i7-3940XM
Mobile • Sep 3rd, 2012
Core i5-8400
Desktop • Oct 5th, 2017
Geekbench 5 Benchmarks
Intel Core i7-3940XM | vs | Intel Core i5-8400 |
|---|---|---|
| Sep 3rd, 2012 | Release Date | Oct 5th, 2017 |
| Core i7 Extreme | Collection | Core i5 |
| Ivy Bridge | Codename | Coffee Lake |
| Intel Socket G2 (988B) | Socket | Intel Socket 1151 |
Mobile | Segment | Desktop |
| 4 | Cores | 6 |
8 | Threads | 6 |
3.0 GHz | Base Clock Speed | 2.8 GHz |
| 3.9 GHz | Turbo Clock Speed | 4.0 GHz |
55 W | TDP | 65 W |
| 22 nm | Process Size | 14 nm |
30.0x | Multiplier | 28.0x |
Intel HD 4000 | Integrated Graphics | None |
Yes | Overclockable | No |
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