The Core i7-8700K is a clear winner – it's a faster gaming CPU than the Core i5-9400 and it's also a better value for money, as it's only the same price!
Advantages of the Core i7-8700K
- A faster CPU for gaming
- A better value for money for gaming
- Can execute more multi-threaded tasks simultaneously – 12 vs 6 threads
Advantages of the Core i5-9400
- Consumes up to 32% less energy – 65 vs 95 Watts
Core i7-8700K vs Core i5-9400 for Gaming
The CPU's performance in selected game and settings
Core i7-8700K
Oct 5th, 2017
Average FPS
190
100%
Min 1% FPS
126
100%
Price, £
£176.66
100%
Value, £/FPS
£0.92/FPS
100%
Core i5-9400
Oct 19th, 2018
Average FPS
186
98%
Min 1% FPS
123
98%
Price, £
£176.66
100%
Value, £/FPS
£0.94/FPS
98%
Core i7-8700K vs Core i5-9400 in My Games
The FPS you'll get in saved games
The FPS you'll get in saved games
Add a Game
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Synthetic Benchmarks
The Core i7-8700K vs Core i5-9400 in synthetic CPU benchmarks
Performance Specifications
The Core i7-8700K vs Core i5-9400 in core CPU performance specifications
Core i7-8700K
Oct 5th, 2017
Cores
6-core
100%
L3 Cache
12 MB
100%
Base Frequency
3.7 GHz
100%
Turbo Frequency
4.7 GHz
100%
Max. DDR4 RAM Speed
2666 MHz
100%
Core i5-9400
Oct 19th, 2018
Cores
6-core
100%
L3 Cache
9 MB
75%
Base Frequency
2.9 GHz
78%
Turbo Frequency
4.1 GHz
87%
Max. DDR4 RAM Speed
2666 MHz
100%
Specifications
Comparison of all specifications
Core i7-8700K | SpecificationsComparison of all specifications | Core i5-9400 |
|---|---|---|
| General | ||
| Oct 5th, 2017 | Release Date | Oct 19th, 2018 |
| $359.00 | MSRP | Not Available |
Desktop | Segment | Desktop |
| Intel Socket 1151 | Socket | Intel Socket 1151 |
| Coffee Lake | Codename | Coffee Lake |
| 95 W | Power Consumption | 65 W |
| Performance | ||
| 6 | Cores | 6 |
12 | Threads | 6 |
3.7 GHz | Base Frequency | 2.9 GHz |
4.7 GHz | Turbo Frequency | 4.1 GHz |
12 MB | L3 Cache | 9 MB |
| Other Features | ||
| DDR4 @ 2666 MHz | RAM | DDR4 @ 2666 MHz |
| UHD Graphics 630 | Integrated Graphics | UHD 630 |
Yes | Overclockable | No |
