The Core i7-7740X is a clear winner – it's a much faster gaming CPU than the Core i5-7400 and it's also a slightly better value for money, as it's only $49.54 more expensive!
Advantages of the Core i7-7740X
- A much faster CPU for gaming
- A slightly better value for money for gaming
- Can execute more multi-threaded tasks simultaneously – 8 vs 4 threads
Advantages of the Core i5-7400
- Up to 23% cheaper – $162.16 vs $211.70
- Consumes up to 42% less energy – 65 vs 112 Watts
- Has an integrated GPU, while the Core i7-7740X cannot run games without a dedicated GPU
Core i7-7740X vs Core i5-7400 for Gaming
The CPU's performance in selected game and settings
Core i7-7740X
Jun 26th, 2017
Average FPS
191
100%
Min 1% FPS
126
100%
Price, €
€211.7
76%
Value, €/FPS
€1.1/FPS
81%
Core i5-7400
Jan 3rd, 2017
Average FPS
182
95%
Min 1% FPS
121
96%
Price, €
€162.16
100%
Value, €/FPS
€0.89/FPS
100%
Core i7-7740X vs Core i5-7400 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 i7-7740X vs Core i5-7400 in synthetic CPU benchmarks
Performance Specifications
The Core i7-7740X vs Core i5-7400 in core CPU performance specifications
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
Core i5-7400
Jan 3rd, 2017
Cores
4-core
100%
L3 Cache
6 MB
75%
Base Frequency
3 GHz
70%
Turbo Frequency
3.5 GHz
78%
Max. DDR4 RAM Speed
2400 MHz
100%
Specifications
Comparison of all specifications
Core i7-7740X | SpecificationsComparison of all specifications | Core i5-7400 |
|---|---|---|
| General | ||
Jun 26th, 2017 | Release Date | Jan 3rd, 2017 |
| Not Available | MSRP | Not Available |
Desktop | Segment | Desktop |
| Intel Socket 2066 | Socket | Intel Socket 1151 |
| Kaby Lake | Codename | Kaby Lake |
| 112 W | Power Consumption | 65 W |
| Performance | ||
| 4 | Cores | 4 |
8 | Threads | 4 |
4.3 GHz | Base Frequency | 3.0 GHz |
4.5 GHz | Turbo Frequency | 3.5 GHz |
8 MB | L3 Cache | 6 MB |
| Other Features | ||
| DDR4 | RAM | DDR4 @ 2400 MHz |
| No | Integrated Graphics | HD 630 |
Yes | Overclockable | No |
