The Core i5-8400 is a slightly faster gaming CPU than the Core i7-6800K, however, it's a worse value for money, as it's CA$60.51 more expensive!
Advantages of the Core i5-8400
- A slightly faster CPU for gaming
- Consumes up to 54% less energy – 65 vs 140 Watts
- Has an integrated GPU, while the Core i7-6800K cannot run games without a dedicated GPU
Advantages of the Core i7-6800K
- Up to 35% cheaper – CA$114.49 vs CA$175.00
- A better value for money for gaming
- Can execute more multi-threaded tasks simultaneously – 12 vs 6 threads
Core i5-8400 vs Core i7-6800K for Gaming
The CPU's performance in selected game and settings
Core i5-8400
Oct 5th, 2017
Average FPS
185
100%
Min 1% FPS
123
100%
Price, CA$
CA$175
65%
Value, CA$/FPS
CA$0.94/FPS
66%
Core i7-6800K
May 31st, 2016
Average FPS
182
98%
Min 1% FPS
121
98%
Price, CA$
CA$114.49
100%
Value, CA$/FPS
CA$0.62/FPS
100%
Core i5-8400 vs Core i7-6800K 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 i5-8400 vs Core i7-6800K in synthetic CPU benchmarks
Performance Specifications
The Core i5-8400 vs Core i7-6800K in core CPU performance specifications
Core i5-8400
Oct 5th, 2017
Cores
6-core
100%
L3 Cache
9 MB
60%
Base Frequency
2.8 GHz
82%
Turbo Frequency
4 GHz
100%
Max. DDR4 RAM Speed
2666 MHz
100%
Core i7-6800K
May 31st, 2016
Cores
6-core
100%
L3 Cache
15 MB
100%
Base Frequency
3.4 GHz
100%
Turbo Frequency
3.6 GHz
90%
Max. DDR4 RAM Speed
2400 MHz
90%
Specifications
Comparison of all specifications
Core i5-8400 | SpecificationsComparison of all specifications | Core i7-6800K |
|---|---|---|
| General | ||
Oct 5th, 2017 | Release Date | May 31st, 2016 |
$182.00 | MSRP | $434.00 |
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 | 6 |
| 6 | Threads | 12 |
| 2.8 GHz | Base Frequency | 3.4 GHz |
4.0 GHz | Turbo Frequency | 3.6 GHz |
| 9 MB | L3 Cache | 15 MB |
| Other Features | ||
| DDR4 @ 2666 MHz | RAM | DDR4 @ 2400 MHz |
UHD Graphics 630 | Integrated Graphics | No |
| No | Overclockable | Yes |
