The Phenom II X4 820 is the comparison's loser – it's at least 2x slower gaming CPU than the Ryzen 9 5900X and it's also a worse value for money, as it's only $213.28 cheaper!
Advantages of the Phenom II X4 820
- Up to 82% cheaper – $48.02 vs $261.30
- Consumes up to 10% less energy – 95 vs 105 Watts
- Has an integrated GPU, while the Ryzen 9 5900X cannot run games without a dedicated GPU
Advantages of the Ryzen 9 5900X
- At least 2x faster CPU for gaming
- A better value for money for gaming
- Can execute more multi-threaded tasks simultaneously – 24 vs 4 threads
Phenom II X4 820 vs Ryzen 9 5900X for Gaming
The CPU's performance in selected game and settings
Phenom II X4 820
Sep 1st, 2009
Average FPS
164
81%
Min 1% FPS
111
83%
Price, $
$48.02
100%
Value, $/FPS
$0.29/FPS
100%
Ryzen 9 5900X
Nov 5th, 2020
Average FPS
203
100%
Min 1% FPS
134
100%
Price, $
$261.3
18%
Value, $/FPS
$1.28/FPS
23%
Phenom II X4 820 vs Ryzen 9 5900X 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 Phenom II X4 820 vs Ryzen 9 5900X in synthetic CPU benchmarks
Performance Specifications
The Phenom II X4 820 vs Ryzen 9 5900X in core CPU performance specifications
Phenom II X4 820
Sep 1st, 2009
Cores
4-core
33%
L3 Cache
4 MB
6%
Base Frequency
2.8 GHz
76%
Turbo Frequency
GHz
Max. DDR3 RAM Speed
1333 MHz
42%
Ryzen 9 5900X
Nov 5th, 2020
Cores
12-core
100%
L3 Cache
64 MB
100%
Base Frequency
3.7 GHz
100%
Turbo Frequency
4.8 GHz
100%
Max. DDR4 RAM Speed
3200 MHz
100%
Specifications
Comparison of all specifications
Phenom II X4 820 | SpecificationsComparison of all specifications | Ryzen 9 5900X |
|---|---|---|
| General | ||
| Sep 1st, 2009 | Release Date | Nov 5th, 2020 |
| Not Available | MSRP | $549.00 |
Desktop | Segment | Desktop |
| AMD Socket AM3 | Socket | AMD Socket AM4 |
| Deneb | Codename | Vermeer |
95 W | Power Consumption | 105 W |
| Performance | ||
| 4 | Cores | 12 |
| 4 | Threads | 24 |
| 2.8 GHz | Base Frequency | 3.7 GHz |
| Non-Turbo | Turbo Frequency | 4.8 GHz |
| 4 MB | L3 Cache | 64 MB |
| Other Features | ||
| DDR3 @ 1333 MHz | RAM | DDR4 @ 3200 MHz |
On certain motherboards (Chipset feature) | Integrated Graphics | No |
| No | Overclockable | Yes |
