The Ryzen 9 7900 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 CA$253.10 cheaper!
Advantages of the Ryzen 9 7900
- At least 2x faster CPU for gaming
- Up to 30% cheaper – CA$599.17 vs CA$852.27
- A much better value for money for gaming
- Consumes up to 50% less energy – 65 vs 130 Watts
- Can execute more multi-threaded tasks simultaneously – 24 vs 8 threads
- Can run games without a dedicated GPU as it has integrated graphics
Advantages of the Core i7-3820
The Ryzen 9 7900 is better in every way
Ryzen 9 7900 vs Core i7-3820 for Gaming
The CPU's performance in selected game and settings
Ryzen 9 7900
Jan 14th, 2023
Average FPS
218
100%
Min 1% FPS
143
100%
Price, CA$
CA$599.17
100%
Value, CA$/FPS
CA$2.74/FPS
100%
Core i7-3820
Feb 13th, 2012
Average FPS
170
78%
Min 1% FPS
114
80%
Price, CA$
CA$852.27
70%
Value, CA$/FPS
CA$5.01/FPS
55%
Ryzen 9 7900 vs Core i7-3820 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 Ryzen 9 7900 vs Core i7-3820 in synthetic CPU benchmarks
Performance Specifications
The Ryzen 9 7900 vs Core i7-3820 in core CPU performance specifications
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%
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%
Specifications
Comparison of all specifications
Ryzen 9 7900 | SpecificationsComparison of all specifications | Core i7-3820 |
|---|---|---|
| General | ||
Jan 14th, 2023 | Release Date | Feb 13th, 2012 |
| $429.00 | MSRP | $305.00 |
Desktop | Segment | Desktop |
| AMD Socket AM5 | Socket | Intel Socket 2011 |
| Raphael | Codename | Sandy Bridge E |
65 W | Power Consumption | 130 W |
| Performance | ||
12 | Cores | 4 |
24 | Threads | 8 |
3.7 GHz | Base Frequency | 3.6 GHz |
5.4 GHz | Turbo Frequency | 3.8 GHz |
64 MB | L3 Cache | 10 MB |
| Other Features | ||
| DDR5 @ 5200 MHz | RAM | DDR3 @ 1600 MHz |
Radeon Graphics | Integrated Graphics | No |
| Yes | Overclockable | Yes |
