Buy on Amazon
$536.98
In Stock
AvailabilityMSRP in USD: $599
Availability
MSRP in USD: $599
AvailabilityMSRP in USD: $199
Availability
MSRP in USD: $199
Key Differences
In short — Core i9-12900K outperforms the cheaper Core i5-12400 on the selected game parameters. However, the worse performing Core i5-12400 is a better bang for your buck. The better performing Core i9-12900K is 61 days older than the cheaper Core i5-12400.
Advantages of Intel Core i9-12900K
- Performs up to 7% better in Microsoft Flight Simulator 2020 than Core i5-12400 - 130 vs 121 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-12400 - 24 vs 12 threads
Advantages of Intel Core i5-12400
- Up to 70% cheaper than Core i9-12900K - $161.76 vs $536.98
- Up to 68% better value when playing Microsoft Flight Simulator 2020 than Core i9-12900K - $1.34 vs $4.13 per FPS
- Consumes up to 48% less energy than Intel Core i9-12900K - 65 vs 125 Watts
Microsoft Flight Simulator 2020
Resolution
1920 x 1080
Game Graphics
Ultra
Core i9-12900K
Desktop • Nov 4th, 2021
FPS
130
100%
Value, $/FPS
$4.13/FPS
32%
Price, $
$536.98
30%
FPS Winner
Intel Core i9-12900K Desktop Processor 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W and Intel Arc A750 Limited Edition 8GB PCI Express 4.0 Graphics Card
Buy for $536.98 on Amazon
In Stock
Updated 712 minutes ago
Core i5-12400
Desktop • Jan 4th, 2022
FPS
121
93%
Value, $/FPS
$1.34/FPS
100%
Price, $
$161.76
100%
Value Winner
Intel Core i5-12400 Desktop Processor 18M Cache, up to 4.40 GHz
Buy for $161.76 on Amazon
In Stock
Updated 713 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i9-12900K
Desktop • Nov 4th, 2021
Core i5-12400
Desktop • Jan 4th, 2022
Geekbench 5 Benchmarks
Intel Core i9-12900K | vs | Intel Core i5-12400 |
|---|---|---|
| Nov 4th, 2021 | Release Date | Jan 4th, 2022 |
| Core i9 | Collection | Core i5 |
| Alder Lake | Codename | Alder Lake |
| Intel Socket 1700 | Socket | Intel Socket 1700 |
Desktop | Segment | Desktop |
16 | Cores | 6 |
24 | Threads | 12 |
3.2 GHz | Base Clock Speed | 2.5 GHz |
5.2 GHz | Turbo Clock Speed | 4.4 GHz |
| 125 W | TDP | 65 W |
| 10 nm | Process Size | 10 nm |
32.0x | Multiplier | 25.0x |
| UHD Graphics 770 | Integrated Graphics | UHD Graphics 730 |
Yes | Overclockable | No |
Builds Using Core i9-12900K or Core i5-12400
Microsoft Flight Simulator 2020, 1920 x 1080, Ultra
58 FPS
$11.21/FPS
GeForce RTX 3050
Core i5-12400
16 GB, 512 GB SSD
Buy on Amazon
$649.99
In Stock
105 FPS
$20/FPS
GeForce RTX 4070 Ti
Core i9-12900K
32 GB, N/A Storage
Buy on Amazon
$2,099.99
In Stock
105 FPS
$20/FPS
GeForce RTX 4070 Ti
Core i9-12900K
32 GB, N/A Storage
Buy on Amazon
$2,099.99
In Stock
130 FPS
$29.23/FPS
GeForce RTX 4090
Core i9-12900K
16 GB, N/A Storage
Buy on Amazon
$3,799.99
In Stock
69 FPS
$14.93/FPS
GeForce RTX 4060
Core i5-12400
32 GB, 2 TB SSD
Buy on Amazon
$1,029.99
In Stock
85 FPS
$28.34/FPS
GeForce RTX 3070
Core i9-12900K
64 GB, 2 TB SSD
Buy on Amazon
$2,409
In Stock
105 FPS
$22.86/FPS
GeForce RTX 4070 Ti
Core i9-12900K
32 GB, N/A Storage
Buy on Amazon
$2,399.99
In Stock
64 FPS
$18.2/FPS
GeForce RTX 3060
Core i5-12400
16 GB, 512 GB SSD + 1 TB HDD
Buy on Amazon
$1,165
In Stock
69 FPS
$17.39/FPS
GeForce RTX 4060
Core i5-12400
64 GB, 2 TB SSD
Buy on Amazon
$1,199.99
In Stock
73 FPS
$34.23/FPS
GeForce RTX 3060
Core i9-12900K
16 GB, 4 TB SSD
Buy on Amazon
$2,499
In Stock
Similar CPU Comparisons
Select from the most popular similar processor comparisons. Most compared processor combinations, including the currently selected ones, are at the top.
