The Core i7-3820 is the comparison's loser – it's at least 2x slower gaming CPU than the Core i9-7940X and it's also a much worse value for money, as it's only $100.12 cheaper!
Advantages of the Core i7-3820
- Up to 22% cheaper – $349.88 vs $450.00
- Consumes up to 21% less energy – 130 vs 165 Watts
Advantages of the Core i9-7940X
- At least 2x faster CPU for gaming
- A better value for money for gaming
- Can execute more multi-threaded tasks simultaneously – 28 vs 8 threads
Core i7-3820 vs Core i9-7940X for Gaming
The CPU's performance in selected game and settings
Core i7-3820
Feb 13th, 2012
Average FPS
170
91%
Min 1% FPS
114
92%
Price, $
$349.88
100%
Value, $/FPS
$2.05/FPS
100%
Core i7-3820 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 i7-3820 vs Core i9-7940X in synthetic CPU benchmarks
Performance Specifications
The Core i7-3820 vs Core i9-7940X in core CPU performance specifications
Core i7-3820
Feb 13th, 2012
Cores
4-core
29%
L3 Cache
10 MB
52%
Base Frequency
3.6 GHz
100%
Turbo Frequency
3.8 GHz
88%
Max. DDR3 RAM Speed
1600 MHz
60%
Core i9-7940X
Sep 1st, 2017
Cores
14-core
100%
L3 Cache
19.25 MB
100%
Base Frequency
3.1 GHz
86%
Turbo Frequency
4.3 GHz
100%
Max. DDR4 RAM Speed
2666 MHz
100%
Specifications
Comparison of all specifications
Core i7-3820 | SpecificationsComparison of all specifications | Core i9-7940X |
|---|---|---|
| General | ||
| Feb 13th, 2012 | Release Date | Sep 1st, 2017 |
$305.00 | MSRP | $1,399.00 |
Desktop | Segment | Desktop |
| Intel Socket 2011 | Socket | Intel Socket 2066 |
| Sandy Bridge E | Codename | Skylake |
130 W | Power Consumption | 165 W |
| Performance | ||
| 4 | Cores | 14 |
| 8 | Threads | 28 |
3.6 GHz | Base Frequency | 3.1 GHz |
| 3.8 GHz | Turbo Frequency | 4.3 GHz |
| 10 MB | L3 Cache | 19.25 MB |
| Other Features | ||
| DDR3 @ 1600 MHz | RAM | DDR4 @ 2666 MHz |
| No | Integrated Graphics | No |
| Yes | Overclockable | Yes |
