The Core i7-6900K is the comparison's loser – it's a slightly slower gaming CPU than the Core i5-9400 and it's also a much worse value for money, as it's $138.25 more expensive!
Advantages of the Core i7-6900K
- Can execute more multi-threaded tasks simultaneously – 16 vs 6 threads
Advantages of the Core i5-9400
- A slightly faster CPU for gaming
- Up to 53% cheaper – $122.18 vs $260.43
- 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
Core i7-6900K vs Core i5-9400 for Gaming
The CPU's performance in selected game and settings
Core i7-6900K
May 31st, 2016
Average FPS
183
98%
Min 1% FPS
122
99%
Price, €
€260.43
46%
Value, €/FPS
€1.42/FPS
46%
Core i5-9400
Oct 19th, 2018
Average FPS
186
100%
Min 1% FPS
123
100%
Price, €
€122.18
100%
Value, €/FPS
€0.65/FPS
100%
Core i7-6900K vs Core i5-9400 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 i7-6900K vs Core i5-9400 in synthetic CPU benchmarks
Performance Specifications
The Core i7-6900K vs Core i5-9400 in core CPU performance specifications
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%
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%
Specifications
Comparison of all specifications
Core i7-6900K | SpecificationsComparison of all specifications | Core i5-9400 |
|---|---|---|
| General | ||
| May 31st, 2016 | Release Date | Oct 19th, 2018 |
| $1,089.00 | MSRP | Not Available |
Desktop | Segment | Desktop |
| Intel Socket 2011-3 | Socket | Intel Socket 1151 |
| Broadwell-E | Codename | Coffee Lake |
| 140 W | Power Consumption | 65 W |
| Performance | ||
8 | Cores | 6 |
16 | Threads | 6 |
3.2 GHz | Base Frequency | 2.9 GHz |
| 3.7 GHz | Turbo Frequency | 4.1 GHz |
20 MB | L3 Cache | 9 MB |
| Other Features | ||
| DDR4 @ 2400 MHz | RAM | DDR4 @ 2666 MHz |
| No | Integrated Graphics | UHD 630 |
Yes | Overclockable | No |
