The Core i5-6400 is a clear winner – it's at least 2x faster gaming CPU than the Core i7-875K and it's also a much better value for money, as it's $110.86 cheaper!
Advantages of the Core i5-6400
- At least 2x faster CPU for gaming
- Up to 64% cheaper – $63.16 vs $174.02
- A much better value for money for gaming
- Consumes up to 32% less energy – 65 vs 95 Watts
- Can run games without a dedicated GPU as it has integrated graphics
Advantages of the Core i7-875K
- Can execute more multi-threaded tasks simultaneously – 8 vs 4 threads
Core i5-6400 vs Core i7-875K for Gaming
The CPU's performance in selected game and settings
Core i5-6400
Jul 2nd, 2015
Average FPS
180
100%
Min 1% FPS
120
100%
Price, $
$63.16
100%
Value, $/FPS
$0.35/FPS
100%
Core i7-875K
May 30th, 2010
Average FPS
168
93%
Min 1% FPS
113
94%
Price, $
$174.02
36%
Value, $/FPS
$1.03/FPS
34%
Core i5-6400 vs Core i7-875K in My Games
The FPS you'll get in saved games, click on a game to change it
The FPS you'll get in saved games, click on a game to change it
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Synthetic Benchmarks
The Core i5-6400 vs Core i7-875K in synthetic CPU benchmarks
Performance Specifications
The Core i5-6400 vs Core i7-875K in core CPU performance specifications
Core i5-6400
Jul 2nd, 2015
Cores
4-core
100%
L3 Cache
6 MB
75%
Base Frequency
2.7 GHz
92%
Turbo Frequency
3.3 GHz
92%
Max. DDR4 RAM Speed
2133 MHz
100%
Core i7-875K
May 30th, 2010
Cores
4-core
100%
L3 Cache
8 MB
100%
Base Frequency
2.93 GHz
100%
Turbo Frequency
3.6 GHz
100%
Max. DDR3 RAM Speed
1333 MHz
62%
Specifications
Comparison of all specifications
Core i5-6400 | SpecificationsComparison of all specifications | Core i7-875K |
|---|---|---|
| General | ||
Jul 2nd, 2015 | Release Date | May 30th, 2010 |
$182.00 | MSRP | $353.00 |
Desktop | Segment | Desktop |
| Intel Socket 1151 | Socket | Intel Socket 1156 |
| Skylake | Codename | Lynnfield |
65 W | Power Consumption | 95 W |
| Performance | ||
| 4 | Cores | 4 |
| 4 | Threads | 8 |
| 2.7 GHz | Base Frequency | 2.9 GHz |
| 3.3 GHz | Turbo Frequency | 3.6 GHz |
| 6 MB | L3 Cache | 8 MB |
| Other Features | ||
| DDR4 @ 2133 MHz | RAM | DDR3 @ 1333 MHz |
HD Graphics 530 | Integrated Graphics | No |
| No | Overclockable | Yes |
