The Core i7-3820 is the comparison's loser – it's at least 2x slower gaming CPU than the Core i7-12700K and it's also a much worse value for money, as it's $188.78 more expensive!
Advantages of the Core i7-3820
The Core i7-12700K is better in every way
Advantages of the Core i7-12700K
- At least 2x faster CPU for gaming
- Up to 54% cheaper – $161.10 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 – 20 vs 8 threads
- Can run games without a dedicated GPU as it has integrated graphics
Core i7-3820 vs Core i7-12700K for Gaming
The CPU's performance in selected game and settings
Core i7-3820
Feb 13th, 2012
Average FPS
170
81%
Min 1% FPS
114
82%
Price, $
$349.88
46%
Value, $/FPS
$2.05/FPS
37%
Core i7-12700K
Nov 4th, 2021
Average FPS
211
100%
Min 1% FPS
139
100%
Price, $
$161.1
100%
Value, $/FPS
$0.76/FPS
100%
Core i7-3820 vs Core i7-12700K 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
Add a Game
Select Settings
Synthetic Benchmarks
The Core i7-3820 vs Core i7-12700K in synthetic CPU benchmarks
Performance Specifications
The Core i7-3820 vs Core i7-12700K in core CPU performance specifications
Core i7-3820
Feb 13th, 2012
Cores
4-core
33%
L3 Cache
10 MB
40%
Base Frequency
3.6 GHz
100%
Turbo Frequency
3.8 GHz
76%
Max. DDR3 RAM Speed
1600 MHz
33%
Core i7-12700K
Nov 4th, 2021
Cores
12-core
100%
L3 Cache
25 MB
100%
Base Frequency
3.6 GHz
100%
Turbo Frequency
5 GHz
100%
Max. DDR5 RAM Speed
4800 MHz
100%
Specifications
Comparison of all specifications
Core i7-3820 | SpecificationsComparison of all specifications | Core i7-12700K |
|---|---|---|
| General | ||
| Feb 13th, 2012 | Release Date | Nov 4th, 2021 |
$305.00 | MSRP | $409.00 |
Desktop | Segment | Desktop |
| Intel Socket 2011 | Socket | Intel Socket 1700 |
| Sandy Bridge E | Codename | Alder Lake |
| 130 W | Power Consumption | 125 W |
| Performance | ||
| 4 | Cores | 12 |
| 8 | Threads | 20 |
| 3.6 GHz | Base Frequency | 3.6 GHz |
| 3.8 GHz | Turbo Frequency | 5.0 GHz |
| 10 MB | L3 Cache | 25 MB |
| Other Features | ||
| DDR3 @ 1600 MHz | RAM | DDR4 @ 3200 MHz, DDR5 @ 4800 MHz |
| No | Integrated Graphics | UHD Graphics 770 |
| Yes | Overclockable | Yes |
