The Core i5-6400 is the comparison's loser – it's a slower gaming CPU than the Core i7-7800X and it's also a much worse value for money, as it's CA$68.66 more expensive!
Advantages of the Core i5-6400
- Consumes up to 54% less energy – 65 vs 140 Watts
- Has an integrated GPU, while the Core i7-7800X cannot run games without a dedicated GPU
Advantages of the Core i7-7800X
- A faster CPU for gaming
- Up to 48% cheaper – CA$73.00 vs CA$141.66
- A much better value for money for gaming
- Can execute more multi-threaded tasks simultaneously – 12 vs 4 threads
Core i5-6400 vs Core i7-7800X for Gaming
The CPU's performance in selected game and settings
Core i5-6400
Jul 2nd, 2015
Average FPS
180
97%
Min 1% FPS
120
98%
Price, CA$
CA$141.66
51%
Value, CA$/FPS
CA$0.78/FPS
50%
Core i7-7800X
Jun 26th, 2017
Average FPS
185
100%
Min 1% FPS
123
100%
Price, CA$
CA$73
100%
Value, CA$/FPS
CA$0.39/FPS
100%
Core i5-6400 vs Core i7-7800X 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 i5-6400 vs Core i7-7800X in synthetic CPU benchmarks
Performance Specifications
The Core i5-6400 vs Core i7-7800X in core CPU performance specifications
Core i5-6400
Jul 2nd, 2015
Cores
4-core
67%
L3 Cache
6 MB
73%
Base Frequency
2.7 GHz
77%
Turbo Frequency
3.3 GHz
82%
Max. DDR4 RAM Speed
2133 MHz
89%
Core i7-7800X
Jun 26th, 2017
Cores
6-core
100%
L3 Cache
8.25 MB
100%
Base Frequency
3.5 GHz
100%
Turbo Frequency
4 GHz
100%
Max. DDR4 RAM Speed
2400 MHz
100%
Specifications
Comparison of all specifications
Core i5-6400 | SpecificationsComparison of all specifications | Core i7-7800X |
|---|---|---|
| General | ||
| Jul 2nd, 2015 | Release Date | Jun 26th, 2017 |
$182.00 | MSRP | $383.00 |
Desktop | Segment | Desktop |
| Intel Socket 1151 | Socket | Intel Socket 2066 |
| Skylake | Codename | Skylake-E/EP |
65 W | Power Consumption | 140 W |
| Performance | ||
| 4 | Cores | 6 |
| 4 | Threads | 12 |
| 2.7 GHz | Base Frequency | 3.5 GHz |
| 3.3 GHz | Turbo Frequency | 4.0 GHz |
| 6 MB | L3 Cache | 8.25 MB |
| Other Features | ||
| DDR4 @ 2133 MHz | RAM | DDR4 @ 2400 MHz |
HD Graphics 530 | Integrated Graphics | No |
| No | Overclockable | Yes |
