Buy on Amazon
£399.99
In Stock
Prices and StockMSRP $539
Prices and Stock
MSRP $539
Prices and StockMSRP $599
Prices and Stock
MSRP $599
Key Differences
In short, we have a clear winner — Core i9-12900K outperforms the more expensive Core i9-11900K on the selected game parameters, and is also a better bang for your buck! The better performing Core i9-12900K is 233 days newer than the more expensive Core i9-11900K.
Advantages of Core i9-12900K
- Performs up to 3% better in FINAL FANTASY XIV: Endwalker than Core i9-11900K - 287 vs 279 FPS
- Up to 13% cheaper than Core i9-11900K - £346.84 vs £399.99
- Up to 15% better value when playing FINAL FANTASY XIV: Endwalker than Core i9-11900K - £1.21 vs £1.43 per FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i9-11900K - 24 vs 16 threads
FINAL FANTASY XIV: Endwalker
Resolution
1920 x 1080
Game Graphics
Maximum
Intel® Core™ i9-11900K Desktop Processor 8 Cores up to 5.3 GHz Unlocked LGA1200 (Intel® 500 Series & select 400 Series chipset) 125W
Buy for £399.99 on Amazon
In Stock
Updated 6602 minutes ago
Core i9-12900K
Desktop • Nov 4th, 2021
FPS
287
100%
Value, £/FPS
£1.21/FPS
100%
Price, £
£346.84
100%
FPS and Value Winner
Intel® Core™ i9-12900K Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W
Buy for £346.84 on Amazon
In Stock
Updated 6601 minutes ago
My Games
With selected game settings
Resolution
1920 x 1080
Game Graphics
Maximum
Core i9-11900K
Desktop • Mar 16th, 2021
Core i9-12900K
Desktop • Nov 4th, 2021
Geekbench 5 Benchmarks
Core i9-11900K | vs | Core i9-12900K |
|---|---|---|
| Mar 16th, 2021 | Release Date | Nov 4th, 2021 |
| Core i9 | Collection | Core i9 |
| Rocket Lake | Codename | Alder Lake |
| Intel Socket 1200 | Socket | Intel Socket 1700 |
Desktop | Segment | Desktop |
| 8 | Cores | 16 |
| 16 | Threads | 24 |
3.5 GHz | Base Clock Speed | 3.2 GHz |
5.3 GHz | Turbo Clock Speed | 5.2 GHz |
| 125 W | TDP | 125 W |
| 14 nm | Process Size | 10 nm |
35.0x | Multiplier | 32.0x |
| UHD Graphics 750 | Integrated Graphics | UHD Graphics 770 |
| Yes | Overclockable | Yes |
Popular Core i9-11900K and Core i9-12900K Comparisons
Compare 2 Processors in Games
Core i9-12900K
£346.84
vs
Ryzen 5 7600X
Core i9-12900K
£346.84
vs
Ryzen 5 5600X
Core i9-12900K
£346.84
vs
Ryzen 7 7700X
£485.96
Core i9-12900K
£346.84
vs
Ryzen 7 5700X
Core i9-12900K
£346.84
vs
Ryzen 5 5500
£84
Core i9-12900K
£346.84
vs
Ryzen 5 7600
Core i9-12900K
£346.84
vs
Ryzen 7 7800X3D
£739.89
Core i9-12900K
£346.84
vs
Ryzen 7 5800X
Core i9-12900K
£346.84
vs
Core i7-12700K
£201.54
Core i9-12900K
£346.84
vs
Core i7-14700K
£349
Core i9-12900K
£346.84
vs
Ryzen 9 7900X
£929.89
Core i9-12900K
£346.84
vs
Ryzen 5 5600
Core i9-12900K
£346.84
vs
Ryzen 7 5700
£126.47
Core i9-12900K
£346.84
vs
Ryzen 9 7950X
Core i9-12900K
£346.84
vs
Ryzen 9 5900X
£204.99
Core i9-12900K
£346.84
vs
Ryzen 9 5950X
£279.99
Core i9-12900K
£346.84
vs
Ryzen 7 5700X3D
£239.56
Core i9-12900K
£346.84
vs
Ryzen 7 5700G
£139.99
Core i9-12900K
£346.84
vs
Core i5-13400F
Core i9-12900K
£346.84
vs
Core i5-12600KF
£169.39
Core i9-12900K
£346.84
vs
Ryzen 7 3700X
£354.25
Core i9-12900K
£346.84
vs
Ryzen 5 5600GT
Core i9-12900K
£346.84
vs
Core i5-12600K
£236.83
Core i9-12900K
£346.84
vs
Core i7-13700K
£313.61
Core i9-12900K
£346.84
vs
Core i9-14900KF
Core i9-12900K
£346.84
vs
Core i7-14700F
Core i9-12900K
£346.84
vs
Core i7-14700KF
£326.15
Core i9-12900K
£346.84
vs
Core i3-12100F
£70
Core i9-12900K
£346.84
vs
Ryzen 7 8700G
Core i9-11900K
£399.99
vs
Ryzen 5 7600X
Core i9-12900K
£346.84
vs
Core i9-14900K
£435.39
Core i9-11900K
£399.99
vs
Ryzen 5 5600X
Core i9-12900K
£346.84
vs
Ryzen 9 7950X3D
Out of Stock
Core i9-11900K
£399.99
vs
Ryzen 7 7700X
£485.96
Core i9-11900K
£399.99
vs
Ryzen 7 5700X
Core i9-11900K
£399.99
vs
Ryzen 5 5500
£84
Core i9-11900K
£399.99
vs
Ryzen 5 7600
Core i9-11900K
£399.99
vs
Ryzen 7 7800X3D
£739.89
Core i9-11900K
£399.99
vs
Ryzen 7 5800X
Core i9-11900K
£399.99
vs
Core i7-12700K
£201.54
Core i9-11900K
£399.99
vs
Core i7-14700K
£349
Core i9-11900K
£399.99
vs
Ryzen 9 7900X
£929.89
Core i9-11900K
£399.99
vs
Ryzen 5 5600
Core i9-11900K
£399.99
vs
Ryzen 7 5700
£126.47
Core i9-11900K
£399.99
vs
Ryzen 9 7950X
Core i9-11900K
£399.99
vs
Ryzen 9 5900X
£204.99
Core i9-11900K
£399.99
vs
Ryzen 9 5950X
£279.99
Core i9-11900K
£399.99
vs
Ryzen 7 5700X3D
£239.56
Core i9-11900K
£399.99
vs
Ryzen 7 5700G
£139.99
Core i9-11900K
£399.99
vs
Core i5-13400F
Core i9-11900K
£399.99
vs
Core i5-12600KF
£169.39
Core i9-11900K
£399.99
vs
Ryzen 7 3700X
£354.25
Core i9-11900K
£399.99
vs
Ryzen 5 5600GT
Core i9-11900K
£399.99
vs
Core i5-12600K
£236.83
Core i9-11900K
£399.99
vs
Core i7-13700K
£313.61
Core i9-11900K
£399.99
vs
Core i9-14900KF
Core i9-11900K
£399.99
vs
Core i7-14700F
Core i9-11900K
£399.99
vs
Core i7-14700KF
£326.15
Core i9-11900K
£399.99
vs
Core i3-12100F
£70
Core i9-11900K
£399.99
vs
Ryzen 7 8700G