Buy on Amazon
£328.01
In Stock
Prices and Stock
Prices and Stock
All items are out of stock
Prices and StockMSRP $599
Prices and Stock
MSRP $599
Key Differences
In short — Core i9-12900K outperforms Core i7-3940XM on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-12900K is 3349 days newer than Core i7-3940XM.
Advantages of Core i7-3940XM
- Consumes up to 56% less energy than Intel Core i9-12900K - 55 vs 125 Watts
Advantages of Core i9-12900K
- Performs up to 17% better in Valheim than Core i7-3940XM - 224 vs 191 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i7-3940XM - 24 vs 8 threads
Valheim
Resolution
1920 x 1080
Game Graphics
Highest
Core i9-12900K
Desktop • Nov 4th, 2021
FPS
224
100%
Value, £/FPS
£1.46/FPS
100%
Price, £
£328.01
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 £328.01 on Amazon
In Stock
Updated 104 minutes ago
My Games
With selected game settings
Resolution
1920 x 1080
Game Graphics
Highest
Core i7-3940XM
Mobile • Sep 3rd, 2012
Core i9-12900K
Desktop • Nov 4th, 2021
Geekbench 5 Benchmarks
Core i7-3940XM | vs | Core i9-12900K |
|---|---|---|
| Sep 3rd, 2012 | Release Date | Nov 4th, 2021 |
| Core i7 Extreme | Collection | Core i9 |
| Ivy Bridge | Codename | Alder Lake |
| Intel Socket G2 (988B) | Socket | Intel Socket 1700 |
Mobile | Segment | Desktop |
| 4 | Cores | 16 |
| 8 | Threads | 24 |
| 3.0 GHz | Base Clock Speed | 3.2 GHz |
| 3.9 GHz | Turbo Clock Speed | 5.2 GHz |
55 W | TDP | 125 W |
| 22 nm | Process Size | 10 nm |
| 30.0x | Multiplier | 32.0x |
| Intel HD 4000 | Integrated Graphics | UHD Graphics 770 |
| Yes | Overclockable | Yes |
Core i7-3940XM and Core i9-12900K Popular Comparisons
Compare 2 Processors in Games
Core i7-3940XM
vs
Ryzen 7 7800X3D
£739.89
Core i7-3940XM
vs
Ryzen 5 7600X
Core i7-3940XM
vs
Ryzen 5 5600X
Core i7-3940XM
vs
Ryzen 7 5700X
Core i7-3940XM
vs
Ryzen 5 5500
£84
Core i7-3940XM
vs
Ryzen 7 7700X
£488.99
Core i7-3940XM
vs
Ryzen 7 5800X
Core i7-3940XM
vs
Ryzen 5 7600
Core i7-3940XM
vs
Core i7-12700K
£208.69
Core i7-3940XM
vs
Core i7-14700K
£343.97
Core i7-3940XM
vs
Ryzen 5 5600
Core i7-3940XM
vs
Ryzen 9 7900X
£929.89
Core i7-3940XM
vs
Ryzen 9 5900X
£204
Core i7-3940XM
vs
Ryzen 9 5950X
£295
Core i9-12900K
£328.01
vs
Ryzen 7 7800X3D
£739.89
Core i7-3940XM
vs
Ryzen 7 5700G
£139.99
Core i7-3940XM
vs
Core i9-12900KF
£257.13
Core i9-12900K
£328.01
vs
Ryzen 5 7600X
Core i7-3940XM
vs
Ryzen 9 7950X
Core i9-12900K
£328.01
vs
Ryzen 5 5600X
Core i7-3940XM
vs
Core i5-12600KF
£169.39
Core i9-12900K
£328.01
vs
Ryzen 7 5700X
Core i9-12900K
£328.01
vs
Ryzen 5 5500
£84
Core i7-3940XM
vs
Ryzen 7 3700X
£354.25
Core i9-12900K
£328.01
vs
Ryzen 7 7700X
£488.99
Core i7-3940XM
vs
Ryzen 5 5600GT
Core i7-3940XM
vs
Core i5-13400F
Core i7-3940XM
vs
Core i5-12600K
£238.62
Core i9-12900K
£328.01
vs
Ryzen 7 5800X
Core i9-12900K
£328.01
vs
Ryzen 5 7600
Core i7-3940XM
vs
Core i9-14900KF
Core i9-12900K
£328.01
vs
Core i7-12700K
£208.69
Core i7-3940XM
vs
Ryzen 9 7950X3D
£639.99
Core i7-3940XM
vs
Core i7-14700KF
£326.49
Core i9-12900K
£328.01
vs
Core i7-14700K
£343.97
Core i7-3940XM
vs
Core i7-13700K
£307.67
Core i7-3940XM
vs
Core i5-12400
£2,511.32
Core i9-12900K
£328.01
vs
Ryzen 5 5600
Core i7-3940XM
vs
Core i7-12700KF
£218.88
Core i9-12900K
£328.01
vs
Ryzen 9 7900X
£929.89
Core i7-3940XM
vs
Core i9-14900K
£433.5
Core i9-12900K
£328.01
vs
Ryzen 9 5900X
£204
Core i7-3940XM
vs
Ryzen 5 4500
Core i7-3940XM
vs
Ryzen 7 8700G
Core i9-12900K
£328.01
vs
Ryzen 9 5950X
£295
Core i9-12900K
£328.01
vs
Ryzen 7 5700G
£139.99
Core i9-12900K
£328.01
vs
Core i9-12900KF
£257.13
Core i9-12900K
£328.01
vs
Ryzen 9 7950X
Core i9-12900K
£328.01
vs
Core i5-12600KF
£169.39
Core i9-12900K
£328.01
vs
Ryzen 7 3700X
£354.25
Core i9-12900K
£328.01
vs
Ryzen 5 5600GT
Core i9-12900K
£328.01
vs
Core i5-13400F
Core i9-12900K
£328.01
vs
Core i5-12600K
£238.62
Core i9-12900K
£328.01
vs
Core i9-14900KF
Core i9-12900K
£328.01
vs
Ryzen 9 7950X3D
£639.99
Core i9-12900K
£328.01
vs
Core i7-14700KF
£326.49
Core i9-12900K
£328.01
vs
Core i7-13700K
£307.67
Core i9-12900K
£328.01
vs
Core i5-12400
£2,511.32
Core i9-12900K
£328.01
vs
Core i7-12700KF
£218.88
Core i9-12900K
£328.01
vs
Core i9-14900K
£433.5