Buy on Amazon
$74.64
In Stock
Availability
Availability
AvailabilityMSRP in USD: $599
Availability
MSRP in USD: $599
Key Differences
In short — Core i9-12900K outperforms the cheaper Core i5-8400 on the selected game parameters. We do not have the prices of both CPUs to compare value. The better performing Core i9-12900K is 1491 days newer than the cheaper Core i5-8400.
Advantages of Intel Core i5-8400
- Up to 75% cheaper than Core i9-12900K - $74.64 vs $298.85
- Consumes up to 48% less energy than Intel Core i9-12900K - 65 vs 125 Watts
Advantages of Intel Core i9-12900K
- Performs up to 12% better in Hogwarts Legacy than Core i5-8400 - 96 vs 86 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 24 vs 6 threads
- Works without a dedicated GPU, while Intel Core i5-8400 doesn't have integrated graphics
Hogwarts Legacy
Resolution
1920 x 1080
Game Graphics
Ultra
Intel Core i5-8400 Desktop Processor 6 Cores up to 4.0 GHz LGA 1151 300 Series 65W
Buy for $74.64 on Amazon
In Stock
Updated 74535 minutes ago
Intel Core i9-12900K Gaming Desktop Processor with Integrated Graphics and 16 (8P+8E) Cores up to 5.2 GHz Unlocked LGA1700 600 Series Chipset 125W
Buy for $298.85 on Amazon
In Stock
Updated 74534 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i5-8400
Desktop • Oct 5th, 2017
Core i9-12900K
Desktop • Nov 4th, 2021
Geekbench 5 Benchmarks
Core i5-8400
Desktop • Oct 5th, 2017
Single-Core
1353
51.6412213740458%
Multi-Core
4748
30.74134023955973%
Intel Core i5-8400 | vs | Intel Core i9-12900K |
|---|---|---|
| Oct 5th, 2017 | 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 |
| 2.8 GHz | Base Clock Speed | 3.2 GHz |
| 4.0 GHz | Turbo Clock Speed | 5.2 GHz |
65 W | TDP | 125 W |
| 14 nm | Process Size | 10 nm |
| 28.0x | Multiplier | 32.0x |
| None | Integrated Graphics | UHD Graphics 770 |
| No | Overclockable | Yes |
Builds Using Core i5-8400 or Core i9-12900K
Hogwarts Legacy, 1920 x 1080, Ultra
58 FPS
$27.4/FPS
GeForce RTX 4060
Core i9-12900K
64 GB, 2 TB SSD
Buy on Amazon
$1,589
In Stock
96 FPS
$37.5/FPS
GeForce RTX 4090
Core i9-12900K
16 GB, N/A Storage
Buy on Amazon
$3,599.99
In Stock
40 FPS
$32.23/FPS
GeForce RTX 3050
Core i9-12900K
64 GB, 2 TB SSD
Buy on Amazon
$1,289
In Stock
90 FPS
$26.67/FPS
GeForce RTX 4070 Ti
Core i9-12900K
32 GB, N/A Storage
Buy on Amazon
$2,399.99
In Stock
58 FPS
$25.5/FPS
GeForce RTX 4060
Core i9-12900K
64 GB, 2 TB SSD
Buy on Amazon
$1,479
In Stock
40 FPS
$34.48/FPS
GeForce RTX 3050
Core i9-12900K
32 GB, 512 GB SSD
Buy on Amazon
$1,379
In Stock
84 FPS
$34.52/FPS
GeForce RTX 3090
Core i9-12900K
32 GB, N/A Storage
Buy on Amazon
$2,899.49
In Stock
90 FPS
$21.67/FPS
GeForce RTX 4070 Ti
Core i9-12900K
32 GB, N/A Storage
Buy on Amazon
$1,949.99
In Stock
84 FPS
$48.56/FPS
GeForce RTX 3090
Core i9-12900K
64 GB, 4 TB SSD + 8 TB HDD
Buy on Amazon
$4,079
In Stock
84 FPS
$45.82/FPS
GeForce RTX 3090
Core i9-12900K
32 GB, 4 TB SSD + 8 TB HDD
Buy on Amazon
$3,849
In Stock
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