The Core i5-9400 is a clear winner – it's a slightly faster gaming CPU than the Core i7-6900K and it's also a much better value for money, as it's €362.67 cheaper!
Advantages of the Core i5-9400
- A slightly faster CPU for gaming
- Up to 75% cheaper – €119.99 vs €482.66
- A much better value for money for gaming
- Consumes up to 54% less energy – 65 vs 140 Watts
- Has an integrated GPU, while the Core i7-6900K cannot run games without a dedicated GPU
Advantages of the Core i7-6900K
- Can execute more multi-threaded tasks simultaneously – 16 vs 6 threads
Core i5-9400 vs Core i7-6900K for Gaming
The CPU's performance in selected game and settings
Core i5-9400
Oct 19th, 2018
Average FPS
186
100%
Min 1% FPS
123
100%
Price, €
€119.99
100%
Value, €/FPS
€0.64/FPS
100%
Core i7-6900K
May 31st, 2016
Average FPS
183
98%
Min 1% FPS
122
99%
Price, €
€482.66
24%
Value, €/FPS
€2.63/FPS
24%
Core i5-9400 vs Core i7-6900K 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 i5-9400 vs Core i7-6900K in synthetic CPU benchmarks
Performance Specifications
The Core i5-9400 vs Core i7-6900K in core CPU performance specifications
Core i5-9400
Oct 19th, 2018
Cores
6-core
75%
L3 Cache
9 MB
45%
Base Frequency
2.9 GHz
91%
Turbo Frequency
4.1 GHz
100%
Max. DDR4 RAM Speed
2666 MHz
100%
Core i7-6900K
May 31st, 2016
Cores
8-core
100%
L3 Cache
20 MB
100%
Base Frequency
3.2 GHz
100%
Turbo Frequency
3.7 GHz
90%
Max. DDR4 RAM Speed
2400 MHz
90%
Specifications
Comparison of all specifications
Core i5-9400 | SpecificationsComparison of all specifications | Core i7-6900K |
|---|---|---|
| General | ||
Oct 19th, 2018 | Release Date | May 31st, 2016 |
| Not Available | MSRP | $1,089.00 |
Desktop | Segment | Desktop |
| Intel Socket 1151 | Socket | Intel Socket 2011-3 |
| Coffee Lake | Codename | Broadwell-E |
65 W | Power Consumption | 140 W |
| Performance | ||
| 6 | Cores | 8 |
| 6 | Threads | 16 |
| 2.9 GHz | Base Frequency | 3.2 GHz |
4.1 GHz | Turbo Frequency | 3.7 GHz |
| 9 MB | L3 Cache | 20 MB |
| Other Features | ||
| DDR4 @ 2666 MHz | RAM | DDR4 @ 2400 MHz |
UHD 630 | Integrated Graphics | No |
| No | Overclockable | Yes |
