The EPYC 7643 is at least 2x slower gaming CPU than the Ryzen 9 7900. We cannot compare value as at least one CPU is out of stock.
Advantages of the EPYC 7643
- Can execute more multi-threaded tasks simultaneously – 96 vs 24 threads
Advantages of the Ryzen 9 7900
- At least 2x faster CPU for gaming
- Consumes up to 71% less energy – 65 vs 225 Watts
- Has an integrated GPU, while the EPYC 7643 cannot run games without a dedicated GPU
EPYC 7643 vs Ryzen 9 7900 for Gaming
The CPU's performance in selected game and settings
EPYC 7643
Mar 15th, 2021
Average FPS
184
84%
Min 1% FPS
122
85%
Price, €
Out of Stock
Value, €/FPS
Not Available
All items are out of stock.
Ryzen 9 7900
Jan 14th, 2023
Average FPS
218
100%
Min 1% FPS
143
100%
Price, €
€385.14
100%
Value, €/FPS
€1.76/FPS
100%
EPYC 7643 vs Ryzen 9 7900 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 EPYC 7643 vs Ryzen 9 7900 in synthetic CPU benchmarks
Performance Specifications
The EPYC 7643 vs Ryzen 9 7900 in core CPU performance specifications
EPYC 7643
Mar 15th, 2021
Cores
48-core
100%
L3 Cache
256 MB
100%
Base Frequency
2.3 GHz
62%
Turbo Frequency
3.6 GHz
67%
Max. DDR4 RAM Speed
3200 MHz
62%
Ryzen 9 7900
Jan 14th, 2023
Cores
12-core
25%
L3 Cache
64 MB
25%
Base Frequency
3.7 GHz
100%
Turbo Frequency
5.4 GHz
100%
Max. DDR5 RAM Speed
5200 MHz
100%
Specifications
Comparison of all specifications
EPYC 7643 | SpecificationsComparison of all specifications | Ryzen 9 7900 |
|---|---|---|
| General | ||
| Mar 15th, 2021 | Release Date | Jan 14th, 2023 |
| $4,995.00 | MSRP | $429.00 |
Server | Segment | Desktop |
| AMD Socket SP3 | Socket | AMD Socket AM5 |
| Not Available | Codename | Raphael |
| 225 W | Power Consumption | 65 W |
| Performance | ||
48 | Cores | 12 |
96 | Threads | 24 |
| 2.3 GHz | Base Frequency | 3.7 GHz |
| 3.6 GHz | Turbo Frequency | 5.4 GHz |
256 MB | L3 Cache | 64 MB |
| Other Features | ||
| DDR4 @ 3200 MHz | RAM | DDR5 @ 5200 MHz |
| No | Integrated Graphics | Radeon Graphics |
| No | Overclockable | Yes |
