The Core i7-5820K is a slower gaming CPU than the Core i9-7940X. We cannot compare value as at least one CPU is out of stock.
Advantages of the Core i7-5820K
- Consumes up to 15% less energy – 140 vs 165 Watts
Advantages of the Core i9-7940X
- A faster CPU for gaming
- Can execute more multi-threaded tasks simultaneously – 28 vs 12 threads
Core i7-5820K vs Core i9-7940X for Gaming
The CPU's performance in selected game and settings
Core i7-5820K
Sep 1st, 2014
Average FPS
181
97%
Min 1% FPS
120
97%
Price, $
Out of Stock
Value, $/FPS
Not Available
All items are out of stock.
Core i9-7940X
Sep 1st, 2017
Average FPS
187
100%
Min 1% FPS
124
100%
Price, $
$450
100%
Value, $/FPS
$2.4/FPS
100%
Core i7-5820K vs Core i9-7940X 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 i7-5820K vs Core i9-7940X in synthetic CPU benchmarks
Performance Specifications
The Core i7-5820K vs Core i9-7940X in core CPU performance specifications
Core i7-5820K
Sep 1st, 2014
Cores
6-core
43%
L3 Cache
15 MB
78%
Base Frequency
3.3 GHz
100%
Turbo Frequency
3.6 GHz
84%
Max. DDR4 RAM Speed
2133 MHz
80%
Core i9-7940X
Sep 1st, 2017
Cores
14-core
100%
L3 Cache
19.25 MB
100%
Base Frequency
3.1 GHz
94%
Turbo Frequency
4.3 GHz
100%
Max. DDR4 RAM Speed
2666 MHz
100%
Specifications
Comparison of all specifications
Core i7-5820K | SpecificationsComparison of all specifications | Core i9-7940X |
|---|---|---|
| General | ||
| Sep 1st, 2014 | Release Date | Sep 1st, 2017 |
| Not Available | MSRP | $1,399.00 |
Desktop | Segment | Desktop |
| Intel Socket 2011-3 | Socket | Intel Socket 2066 |
| Haswell E | Codename | Skylake |
140 W | Power Consumption | 165 W |
| Performance | ||
| 6 | Cores | 14 |
| 12 | Threads | 28 |
3.3 GHz | Base Frequency | 3.1 GHz |
| 3.6 GHz | Turbo Frequency | 4.3 GHz |
| 15 MB | L3 Cache | 19.25 MB |
| Other Features | ||
| DDR4 @ 2133 MHz | RAM | DDR4 @ 2666 MHz |
| No | Integrated Graphics | No |
| Yes | Overclockable | Yes |
