The Core i9-11900KF is a clear winner – it's at least 2x faster gaming CPU than the Core i7-3820 and it's also a much better value for money, as it's $29.88 cheaper!
Advantages of the Core i9-11900KF
- At least 2x faster CPU for gaming
- Up to 9% cheaper – $320.00 vs $349.88
- A much better value for money for gaming
- Consumes up to 4% less energy – 125 vs 130 Watts
- Can execute more multi-threaded tasks simultaneously – 16 vs 8 threads
Advantages of the Core i7-3820
The Core i9-11900KF is better in every way
Core i9-11900KF vs Core i7-3820 for Gaming
The CPU's performance in selected game and settings
Core i9-11900KF
Mar 16th, 2021
Average FPS
206
100%
Min 1% FPS
135
100%
Price, $
$320
100%
Value, $/FPS
$1.55/FPS
100%
Core i7-3820
Feb 13th, 2012
Average FPS
170
83%
Min 1% FPS
114
84%
Price, $
$349.88
91%
Value, $/FPS
$2.05/FPS
76%
Core i9-11900KF vs Core i7-3820 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 i9-11900KF vs Core i7-3820 in synthetic CPU benchmarks
Performance Specifications
The Core i9-11900KF vs Core i7-3820 in core CPU performance specifications
Core i9-11900KF
Mar 16th, 2021
Cores
8-core
100%
L3 Cache
16 MB
100%
Base Frequency
3.5 GHz
97%
Turbo Frequency
5.3 GHz
100%
Max. DDR4 RAM Speed
3200 MHz
100%
Core i7-3820
Feb 13th, 2012
Cores
4-core
50%
L3 Cache
10 MB
62%
Base Frequency
3.6 GHz
100%
Turbo Frequency
3.8 GHz
72%
Max. DDR3 RAM Speed
1600 MHz
50%
Specifications
Comparison of all specifications
Core i9-11900KF | SpecificationsComparison of all specifications | Core i7-3820 |
|---|---|---|
| General | ||
Mar 16th, 2021 | Release Date | Feb 13th, 2012 |
| $513.00 | MSRP | $305.00 |
Desktop | Segment | Desktop |
| Intel Socket 1200 | Socket | Intel Socket 2011 |
| Rocket Lake | Codename | Sandy Bridge E |
125 W | Power Consumption | 130 W |
| Performance | ||
8 | Cores | 4 |
16 | Threads | 8 |
| 3.5 GHz | Base Frequency | 3.6 GHz |
5.3 GHz | Turbo Frequency | 3.8 GHz |
16 MB | L3 Cache | 10 MB |
| Other Features | ||
| DDR4 @ 3200 MHz | RAM | DDR3 @ 1600 MHz |
| No | Integrated Graphics | No |
| Yes | Overclockable | Yes |
