Buy on Amazon
£225.15
In Stock
Availability
Availability
AvailabilityMSRP $599
Availability
MSRP $599
Key Differences
In short, we have a clear winner — Core i9-12900K outperforms the cheaper Core i5-9400 on the selected game parameters, and is also a better bang for your buck! The better performing Core i9-12900K is 1112 days newer than the cheaper Core i5-9400.
Advantages of Core i5-9400
- Up to 32% cheaper than Core i9-12900K - £225.15 vs £330.99
- Consumes up to 48% less energy than Intel Core i9-12900K - 65 vs 125 Watts
Advantages of Core i9-12900K
- Performs up to 109% better in League of Legends than Core i5-9400 - 339 vs 162 FPS
- Up to 29% better value when playing League of Legends than Core i5-9400 - £0.98 vs £1.39 per FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-9400 - 24 vs 6 threads
League of Legends
Resolution
1920 x 1080
Game Graphics
Very High
Intel Core i5-9400 Desktop Processor 6 Cores 2. 90 GHz up to 4. 10 GHz Turbo LGA1151 300 Series 65W Processors BX80684I59400
Buy for £225.15 on Amazon
In Stock
Updated 12 minutes ago
Core i9-12900K
Desktop • Nov 4th, 2021
FPS
339
100%
Value, £/FPS
£0.98/FPS
100%
Price, £
£330.99
68%
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 £330.99 on Amazon
In Stock
Updated 11 minutes ago
Trending Games
With selected game settings
Resolution
1920 x 1080
Game Graphics
Very High
Core i5-9400
Desktop • Oct 19th, 2018
Core i9-12900K
Desktop • Nov 4th, 2021
Geekbench 5 Benchmarks
Core i5-9400 | vs | Core i9-12900K |
|---|---|---|
| Oct 19th, 2018 | Release Date | Nov 4th, 2021 |
| Core i5 | Collection | Core i9 |
| Coffee Lake | Codename | Alder Lake |
| Intel Socket 1151 | Socket | Intel Socket 1700 |
Desktop | Segment | Desktop |
| 6 | Cores | 16 |
| 6 | Threads | 24 |
| 2.9 GHz | Base Clock Speed | 3.2 GHz |
| 4.1 GHz | Turbo Clock Speed | 5.2 GHz |
65 W | TDP | 125 W |
| 14 nm | Process Size | 10 nm |
| 29.0x | Multiplier | 32.0x |
| UHD 630 | Integrated Graphics | UHD Graphics 770 |
| No | Overclockable | Yes |
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