The Core i9-12900KS is a clear winner – it's at least 2x faster gaming CPU than the Ryzen 9 3900XT and it's also a better value for money, as it's £27.00 cheaper!
Advantages of the Core i9-12900KS
- At least 2x faster CPU for gaming
- Up to 6% cheaper – £422.99 vs £449.99
- A better value for money for gaming
- Can run games without a dedicated GPU as it has integrated graphics
Advantages of the Ryzen 9 3900XT
- Consumes up to 30% less energy – 105 vs 150 Watts
Core i9-12900KS vs Ryzen 9 3900XT for Gaming
The CPU's performance in selected game and settings
Core i9-12900KS
Apr 5th, 2022
Average FPS
214
100%
Min 1% FPS
141
100%
Price, £
£422.99
100%
Value, £/FPS
£1.97/FPS
100%
Ryzen 9 3900XT
Jul 7th, 2020
Average FPS
193
90%
Min 1% FPS
127
90%
Price, £
£449.99
93%
Value, £/FPS
£2.33/FPS
85%
Core i9-12900KS vs Ryzen 9 3900XT 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 i9-12900KS vs Ryzen 9 3900XT in synthetic CPU benchmarks
Performance Specifications
The Core i9-12900KS vs Ryzen 9 3900XT in core CPU performance specifications
Core i9-12900KS
Apr 5th, 2022
Cores
16-core
100%
L3 Cache
30 MB
47%
Base Frequency
3.4 GHz
89%
Turbo Frequency
5.2 GHz
100%
Max. DDR5 RAM Speed
4800 MHz
100%
Ryzen 9 3900XT
Jul 7th, 2020
Cores
12-core
75%
L3 Cache
64 MB
100%
Base Frequency
3.8 GHz
100%
Turbo Frequency
4.7 GHz
90%
Max. DDR4 RAM Speed
3200 MHz
67%
Specifications
Comparison of all specifications
Core i9-12900KS | SpecificationsComparison of all specifications | Ryzen 9 3900XT |
|---|---|---|
| General | ||
Apr 5th, 2022 | Release Date | Jul 7th, 2020 |
| $739.00 | MSRP | $499.00 |
Desktop | Segment | Desktop |
| Intel Socket 1700 | Socket | AMD Socket AM4 |
| Alder Lake | Codename | Matisse |
| 150 W | Power Consumption | 105 W |
| Performance | ||
16 | Cores | 12 |
| 24 | Threads | 24 |
| 3.4 GHz | Base Frequency | 3.8 GHz |
5.2 GHz | Turbo Frequency | 4.7 GHz |
| 30 MB | L3 Cache | 64 MB |
| Other Features | ||
| DDR4 @ 3200 MHz, DDR5 @ 4800 MHz | RAM | DDR4 @ 3200 MHz |
UHD Graphics 770 | Integrated Graphics | No |
| Yes | Overclockable | Yes |
