The Core i5-6400 is the comparison's loser – it's a much slower gaming CPU than the Core i7-7740X and it's also a worse value for money, as it's only $6.64 cheaper!
Advantages of the Core i5-6400
- Up to 10% cheaper – $63.16 vs $69.80
- Consumes up to 42% less energy – 65 vs 112 Watts
- Can run games without a dedicated GPU as it has integrated graphics
Advantages of the Core i7-7740X
- A much faster CPU for gaming
- A better value for money for gaming
- Can execute more multi-threaded tasks simultaneously – 8 vs 4 threads
Core i5-6400 vs Core i7-7740X for Gaming
The CPU's performance in selected game and settings
Core i5-6400
Jul 2nd, 2015
Average FPS
180
94%
Min 1% FPS
120
95%
Price, $
$63.16
100%
Value, $/FPS
$0.35/FPS
100%
Core i7-7740X
Jun 26th, 2017
Average FPS
191
100%
Min 1% FPS
126
100%
Price, $
$69.8
90%
Value, $/FPS
$0.36/FPS
97%
Core i5-6400 vs Core i7-7740X 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 i7-7740X in synthetic CPU benchmarks
Performance Specifications
The Core i5-6400 vs Core i7-7740X 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
63%
Turbo Frequency
3.3 GHz
73%
Max. DDR4 RAM Speed
2133 MHz
100%
Core i7-7740X
Jun 26th, 2017
Cores
4-core
100%
L3 Cache
8 MB
100%
Base Frequency
4.3 GHz
100%
Turbo Frequency
4.5 GHz
100%
Max. DDR4 RAM Speed
MHz
Specifications
Comparison of all specifications
Core i5-6400 | SpecificationsComparison of all specifications | Core i7-7740X |
|---|---|---|
| General | ||
| Jul 2nd, 2015 | Release Date | Jun 26th, 2017 |
| $182.00 | MSRP | Not Available |
Desktop | Segment | Desktop |
| Intel Socket 1151 | Socket | Intel Socket 2066 |
| Skylake | Codename | Kaby Lake |
65 W | Power Consumption | 112 W |
| Performance | ||
| 4 | Cores | 4 |
| 4 | Threads | 8 |
| 2.7 GHz | Base Frequency | 4.3 GHz |
| 3.3 GHz | Turbo Frequency | 4.5 GHz |
| 6 MB | L3 Cache | 8 MB |
| Other Features | ||
| DDR4 @ 2133 MHz | RAM | DDR4 |
HD Graphics 530 | Integrated Graphics | No |
| No | Overclockable | Yes |
