The Core i7-9700K is a faster gaming CPU than the Core i5-8400. We cannot compare value as at least one CPU is out of stock.
Advantages of the Core i7-9700K
- A faster CPU for gaming
- Can execute more multi-threaded tasks simultaneously – 8 vs 6 threads
Advantages of the Core i5-8400
- Consumes up to 32% less energy – 65 vs 95 Watts
Core i7-9700K vs Core i5-8400 for Gaming
The CPU's performance in selected game and settings
Core i7-9700K
Oct 19th, 2018
Average FPS
192
100%
Min 1% FPS
127
100%
Price, £
Out of Stock
Value, £/FPS
Not Available
All items are out of stock
Core i5-8400
Oct 5th, 2017
Average FPS
185
96%
Min 1% FPS
123
97%
Price, £
£148.66
100%
Value, £/FPS
£0.8/FPS
100%
Core i7-9700K vs Core i5-8400 in My Games
The FPS you'll get in saved games
The FPS you'll get in saved games
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Synthetic Benchmarks
The Core i7-9700K vs Core i5-8400 in synthetic CPU benchmarks
Performance Specifications
The Core i7-9700K vs Core i5-8400 in core CPU performance specifications
Core i7-9700K
Oct 19th, 2018
Cores
8-core
100%
L3 Cache
12 MB
100%
Base Frequency
3.6 GHz
100%
Turbo Frequency
4.9 GHz
100%
Max. DDR4 RAM Speed
2666 MHz
100%
Core i5-8400
Oct 5th, 2017
Cores
6-core
75%
L3 Cache
9 MB
75%
Base Frequency
2.8 GHz
78%
Turbo Frequency
4 GHz
82%
Max. DDR4 RAM Speed
2666 MHz
100%
Specifications
Comparison of all specifications
Core i7-9700K | SpecificationsComparison of all specifications | Core i5-8400 |
|---|---|---|
| General | ||
Oct 19th, 2018 | Release Date | Oct 5th, 2017 |
| $385.00 | MSRP | $182.00 |
Desktop | Segment | Desktop |
| Intel Socket 1151 | Socket | Intel Socket 1151 |
| Coffee Lake | Codename | Coffee Lake |
| 95 W | Power Consumption | 65 W |
| Performance | ||
8 | Cores | 6 |
8 | Threads | 6 |
3.6 GHz | Base Frequency | 2.8 GHz |
4.9 GHz | Turbo Frequency | 4.0 GHz |
12 MB | L3 Cache | 9 MB |
| Other Features | ||
| DDR4 @ 2666 MHz | RAM | DDR4 @ 2666 MHz |
| UHD Graphics 630 | Integrated Graphics | UHD Graphics 630 |
Yes | Overclockable | No |
