The Core i7-3820 is the comparison's loser – it's at least 2x slower gaming CPU than the Ryzen 9 7900 and it's also a much worse value for money, as it's only $37.95 cheaper!
Advantages of the Core i7-3820
- Up to 11% cheaper – $315.20 vs $353.15
Advantages of the Ryzen 9 7900
- At least 2x faster CPU for gaming
- A much better value for money for gaming
- Consumes up to 50% less energy – 65 vs 130 Watts
- Can execute more multi-threaded tasks simultaneously – 24 vs 8 threads
- Can run games without a dedicated GPU as it has integrated graphics
Core i7-3820 vs Ryzen 9 7900 for Gaming
The CPU's performance in selected game and settings
Core i7-3820
Feb 13th, 2012
Average FPS
170
78%
Min 1% FPS
114
80%
Price, €
€315.2
100%
Value, €/FPS
€1.85/FPS
87%
Ryzen 9 7900
Jan 14th, 2023
Average FPS
218
100%
Min 1% FPS
143
100%
Price, €
€353.15
89%
Value, €/FPS
€1.61/FPS
100%
Core i7-3820 vs Ryzen 9 7900 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
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Synthetic Benchmarks
The Core i7-3820 vs Ryzen 9 7900 in synthetic CPU benchmarks
Performance Specifications
The Core i7-3820 vs Ryzen 9 7900 in core CPU performance specifications
Core i7-3820
Feb 13th, 2012
Cores
4-core
33%
L3 Cache
10 MB
16%
Base Frequency
3.6 GHz
97%
Turbo Frequency
3.8 GHz
70%
Max. DDR3 RAM Speed
1600 MHz
31%
Ryzen 9 7900
Jan 14th, 2023
Cores
12-core
100%
L3 Cache
64 MB
100%
Base Frequency
3.7 GHz
100%
Turbo Frequency
5.4 GHz
100%
Max. DDR5 RAM Speed
5200 MHz
100%
Specifications
Comparison of all specifications
Core i7-3820 | SpecificationsComparison of all specifications | Ryzen 9 7900 |
|---|---|---|
| General | ||
| Feb 13th, 2012 | Release Date | Jan 14th, 2023 |
$305.00 | MSRP | $429.00 |
Desktop | Segment | Desktop |
| Intel Socket 2011 | Socket | AMD Socket AM5 |
| Sandy Bridge E | Codename | Raphael |
| 130 W | Power Consumption | 65 W |
| Performance | ||
| 4 | Cores | 12 |
| 8 | Threads | 24 |
| 3.6 GHz | Base Frequency | 3.7 GHz |
| 3.8 GHz | Turbo Frequency | 5.4 GHz |
| 10 MB | L3 Cache | 64 MB |
| Other Features | ||
| DDR3 @ 1600 MHz | RAM | DDR5 @ 5200 MHz |
| No | Integrated Graphics | Radeon Graphics |
| Yes | Overclockable | Yes |
