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Key Differences
In short — Core i9-7940X outperforms Core i3-8121U on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-7940X is 246 days older than Core i3-8121U.
Advantages of Intel Core i3-8121U
- Consumes up to 91% less energy than Intel Core i9-7940X - 15 vs 165 Watts
Advantages of Intel Core i9-7940X
- Performs up to 3% better in Battlefield IV than Core i3-8121U - 413 vs 402 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i3-8121U - 28 vs 4 threads
Battlefield IV
Resolution
1920 x 1080
Game Graphics
Ultra
Core i9-7940X
Desktop • Sep 1st, 2017
FPS
413
100%
Value, $/FPS
$0.96/FPS
100%
Price, $
$397.83
100%
FPS and Value Winner
Intel Core i9-7940X X-Series Processor 14 Cores up to 4.3 GHz Turbo Unlocked LGA2066 X299 Series 165W
Buy for $397.83 on Amazon
In Stock
Updated 8723 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i3-8121U
Mobile • May 5th, 2018
Core i9-7940X
Desktop • Sep 1st, 2017
Geekbench 5 Benchmarks
Intel Core i3-8121U | vs | Intel Core i9-7940X |
|---|---|---|
May 5th, 2018 | Release Date | Sep 1st, 2017 |
| Core i3 | Collection | Core i9 |
| Cannon Lake | Codename | Skylake |
| Intel BGA 1440 | Socket | Intel Socket 2066 |
Mobile | Segment | Desktop |
| 2 | Cores | 14 |
| 4 | Threads | 28 |
| 2.2 GHz | Base Clock Speed | 3.1 GHz |
| 3.2 GHz | Turbo Clock Speed | 4.3 GHz |
15 W | TDP | 165 W |
10 nm | Process Size | 14 nm |
| 22.0x | Multiplier | 31.0x |
| None | Integrated Graphics | None |
| No | Overclockable | Yes |
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