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£389.99
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AvailabilityMSRP in USD: $599
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MSRP in USD: $599
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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 Intel Core i9-12900K
- Performs up to 6% better in Stray than Core i7-3940XM - 189 vs 178 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i7-3940XM - 24 vs 8 threads
Advantages of Intel Core i7-3940XM
- Consumes up to 56% less energy than Intel Core i9-12900K - 55 vs 125 Watts
Stray
Resolution
1920 x 1080
Game Graphics
High
Core i9-12900K
Desktop • Nov 4th, 2021
FPS
189
100%
Value, £/FPS
£2.06/FPS
100%
Price, £
£389.99
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 £389.99 on Amazon
In Stock
Updated 4873 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
High
Core i9-12900K
Desktop • Nov 4th, 2021
Core i7-3940XM
Mobile • Sep 3rd, 2012
Geekbench 5 Benchmarks
Intel Core i9-12900K | vs | Intel Core i7-3940XM |
|---|---|---|
Nov 4th, 2021 | Release Date | Sep 3rd, 2012 |
| Core i9 | Collection | Core i7 Extreme |
| Alder Lake | Codename | Ivy Bridge |
| Intel Socket 1700 | Socket | Intel Socket G2 (988B) |
Desktop | Segment | Mobile |
16 | Cores | 4 |
24 | Threads | 8 |
3.2 GHz | Base Clock Speed | 3.0 GHz |
5.2 GHz | Turbo Clock Speed | 3.9 GHz |
| 125 W | TDP | 55 W |
10 nm | Process Size | 22 nm |
32.0x | Multiplier | 30.0x |
| UHD Graphics 770 | Integrated Graphics | Intel HD 4000 |
| Yes | Overclockable | Yes |
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