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£307
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Key Differences
In short — Core i7-7740X outperforms the cheaper Core i5-8400 on the selected game parameters. However, the worse performing Core i5-8400 is a better bang for your buck. The better performing Core i7-7740X is 101 days older than the cheaper Core i5-8400.
Advantages of Intel Core i7-7740X
- Performs up to 2% better in Forza Horizon 5 than Core i5-8400 - 174 vs 171 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 8 vs 6 threads
Advantages of Intel Core i5-8400
- Up to 45% cheaper than Core i7-7740X - £170.0 vs £307.0
- Up to 44% better value when playing Forza Horizon 5 than Core i7-7740X - £0.99 vs £1.76 per FPS
- Consumes up to 42% less energy than Intel Core i7-7740X - 65 vs 112 Watts
Forza Horizon 5
Resolution
1920 x 1080
Game Graphics
Max
Intel BX80677I77740X Core I7-7740X 4.30 GHz Extreme Edition Processor - Silver
Buy for £307 on Amazon
In Stock
Updated 87 minutes ago
Intel Core i5-8400 Retail - (1151/Hex Core/2.80GHz/9MB/Coffee Lake/65W/Graphics)
Buy for £170 on Amazon
In Stock
Updated 88 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Max
Core i7-7740X
Desktop • Jun 26th, 2017
Core i5-8400
Desktop • Oct 5th, 2017
Geekbench 5 Benchmarks
Intel Core i7-7740X | vs | Intel Core i5-8400 |
|---|---|---|
| Jun 26th, 2017 | Release Date | Oct 5th, 2017 |
| Core i7 | Collection | Core i5 |
| Kaby Lake | Codename | Coffee Lake |
| Intel Socket 2066 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
| 4 | Cores | 6 |
8 | Threads | 6 |
4.3 GHz | Base Clock Speed | 2.8 GHz |
4.5 GHz | Turbo Clock Speed | 4.0 GHz |
| 112 W | TDP | 65 W |
| 14 nm | Process Size | 14 nm |
43.0x | Multiplier | 28.0x |
| None | Integrated Graphics | None |
Yes | Overclockable | No |
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