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Key Differences
In short — Core i5-8400 outperforms Core i7-990X on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i5-8400 is 2415 days newer than Core i7-990X.
Advantages of Intel Core i7-990X
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 12 vs 6 threads
Advantages of Intel Core i5-8400
- Performs up to 119% better in League of Legends than Core i7-990X - 158 vs 72 FPS
- Consumes up to 50% less energy than Intel Core i7-990X - 65 vs 130 Watts
League of Legends
Resolution
1920 x 1080
Game Graphics
Very High
Core i5-8400
Desktop • Oct 5th, 2017
FPS
158
100%
Value, £/FPS
£0.93/FPS
100%
Price, £
£146.66
100%
FPS and Value Winner
Intel Core i5-8400 Retail - (1151/Hex Core/2.80GHz/9MB/Coffee Lake/65W/Graphics)
Buy for £146.66 on Amazon
In Stock
Updated 2130 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Very High
Core i7-990X
Desktop • Feb 24th, 2011
Core i5-8400
Desktop • Oct 5th, 2017
Geekbench 5 Benchmarks
Core i7-990X
Desktop • Feb 24th, 2011
Single-Core
565
41.759053954175904%
Multi-Core
2626
55.30749789385004%
Intel Core i7-990X | vs | Intel Core i5-8400 |
|---|---|---|
| Feb 24th, 2011 | Release Date | Oct 5th, 2017 |
| Core i7 | Collection | Core i5 |
| Gulftown | Codename | Coffee Lake |
| Intel Socket 1366 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
| 6 | Cores | 6 |
12 | Threads | 6 |
3.5 GHz | Base Clock Speed | 2.8 GHz |
| 3.7 GHz | Turbo Clock Speed | 4.0 GHz |
| 130 W | TDP | 65 W |
| 32 nm | Process Size | 14 nm |
| 26.0x | Multiplier | 28.0x |
| None | Integrated Graphics | None |
Yes | Overclockable | No |
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