Buy on Amazon
£428.88
In Stock
Availability
Availability
Availability
Availability
Key Differences
In short — Core i9-7900X 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 i9-7900X is 101 days older than the cheaper Core i5-8400.
Advantages of Intel Core i9-7900X
- Performs up to 0% better in Resident Evil Village than Core i5-8400 - 301 vs 300 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 20 vs 6 threads
Advantages of Intel Core i5-8400
- Up to 63% cheaper than Core i9-7900X - £158.88 vs £428.88
- Up to 63% better value when playing Resident Evil Village than Core i9-7900X - £0.53 vs £1.42 per FPS
- Consumes up to 54% less energy than Intel Core i9-7900X - 65 vs 140 Watts
Resident Evil Village
Resolution
1920 x 1080
Game Graphics
Max
Core i9-7900X
Desktop • Jun 26th, 2017
FPS
301
100%
Value, £/FPS
£1.42/FPS
37%
Price, £
£428.88
37%
FPS Winner
Intel BX80673I97900X Core Processor i9-7900X 3.3 GHz
Buy for £428.88 on Amazon
In Stock
Updated 61 minutes ago
Core i5-8400
Desktop • Oct 5th, 2017
FPS
300
99%
Value, £/FPS
£0.53/FPS
100%
Price, £
£158.88
100%
Value Winner
Intel Core i5-8400 Retail - (1151/Hex Core/2.80GHz/9MB/Coffee Lake/65W/Graphics)
Buy for £158.88 on Amazon
In Stock
Updated 61 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Max
Core i9-7900X
Desktop • Jun 26th, 2017
Core i5-8400
Desktop • Oct 5th, 2017
Geekbench 5 Benchmarks
Intel Core i9-7900X | vs | Intel Core i5-8400 |
|---|---|---|
| Jun 26th, 2017 | Release Date | Oct 5th, 2017 |
| Core i9 | Collection | Core i5 |
| Skylake-E/EP | Codename | Coffee Lake |
| Intel Socket 2066 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
10 | Cores | 6 |
20 | Threads | 6 |
3.3 GHz | Base Clock Speed | 2.8 GHz |
4.3 GHz | Turbo Clock Speed | 4.0 GHz |
| 140 W | TDP | 65 W |
| 14 nm | Process Size | 14 nm |
33.0x | Multiplier | 28.0x |
| None | Integrated Graphics | None |
Yes | Overclockable | No |
Similar CPU Comparisons
Select from the most popular similar processor comparisons. Most compared processor combinations, including the currently selected ones, are at the top.
