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Key Differences
In short — Core i9-7900X 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 i9-7900X is 1757 days newer than Core i7-3940XM.
Advantages of Intel Core i7-3940XM
- Consumes up to 61% less energy than Intel Core i9-7900X - 55 vs 140 Watts
- Works without a dedicated GPU, while Intel Core i9-7900X doesn't have integrated graphics
Advantages of Intel Core i9-7900X
- Performs up to 17% better in Grand Theft Auto V than Core i7-3940XM - 130 vs 111 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i7-3940XM - 20 vs 8 threads
Grand Theft Auto V
Resolution
1920 x 1080
Game Graphics
Ultra
Core i9-7900X
Desktop • Jun 26th, 2017
FPS
130
100%
Value, £/FPS
£3.3/FPS
100%
Price, £
£428.88
100%
FPS and Value Winner
Intel BX80673I97900X Core Processor i9-7900X 3.3 GHz
Buy for £428.88 on Amazon
In Stock
Updated 107 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i7-3940XM
Mobile • Sep 3rd, 2012
Core i9-7900X
Desktop • Jun 26th, 2017
Geekbench 5 Benchmarks
Intel Core i7-3940XM | vs | Intel Core i9-7900X |
|---|---|---|
| Sep 3rd, 2012 | Release Date | Jun 26th, 2017 |
| Core i7 Extreme | Collection | Core i9 |
| Ivy Bridge | Codename | Skylake-E/EP |
| Intel Socket G2 (988B) | Socket | Intel Socket 2066 |
Mobile | Segment | Desktop |
| 4 | Cores | 10 |
| 8 | Threads | 20 |
| 3.0 GHz | Base Clock Speed | 3.3 GHz |
| 3.9 GHz | Turbo Clock Speed | 4.3 GHz |
55 W | TDP | 140 W |
| 22 nm | Process Size | 14 nm |
| 30.0x | Multiplier | 33.0x |
Intel HD 4000 | Integrated Graphics | None |
| Yes | Overclockable | Yes |
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