Buy on Amazon
$565
In Stock
Availability
Availability
Availability
Availability
Key Differences
In short — Core i9-10900X 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 i9-10900X is 744 days newer than the cheaper Core i5-8400.
Advantages of Intel Core i9-10900X
- Performs up to 4% better in Star Wars Jedi: Survivor than Core i5-8400 - 132 vs 127 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 20 vs 6 threads
Advantages of Intel Core i5-8400
- Up to 87% cheaper than Core i9-10900X - $74.64 vs $565.0
- Consumes up to 61% less energy than Intel Core i9-10900X - 65 vs 165 Watts
Star Wars Jedi: Survivor
Resolution
1920 x 1080
Game Graphics
Epic
Intel Core i9-10900X Desktop Processor 10 Cores up to 4.7GHz Unlocked LGA2066 X299 Series 165W (BX8069510900X)
Buy for $565 on Amazon
In Stock
Updated 75785 minutes ago
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 75786 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Epic
Core i9-10900X
Desktop • Oct 19th, 2019
Core i5-8400
Desktop • Oct 5th, 2017
Geekbench 5 Benchmarks
Core i5-8400
Desktop • Oct 5th, 2017
Single-Core
1353
85.8502538071066%
Multi-Core
4748
50.66695123252588%
Intel Core i9-10900X | vs | Intel Core i5-8400 |
|---|---|---|
Oct 19th, 2019 | Release Date | Oct 5th, 2017 |
| Core i9 Extreme | Collection | Core i5 |
| Cascade Lake | Codename | Coffee Lake |
| Intel Socket 2066 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
10 | Cores | 6 |
20 | Threads | 6 |
3.7 GHz | Base Clock Speed | 2.8 GHz |
4.5 GHz | Turbo Clock Speed | 4.0 GHz |
| 165 W | TDP | 65 W |
| 14 nm | Process Size | 14 nm |
37.0x | Multiplier | 28.0x |
| None | Integrated Graphics | None |
Yes | Overclockable | No |
Builds Using Core i9-10900X or Core i5-8400
Star Wars Jedi: Survivor, 1920 x 1080, Epic
132 FPS
$46.21/FPS
GeForce RTX 4090
Core i9-10900X
16 GB, 512 GB SSD + 5 TB HDD
Buy on Amazon
$6,099.99
In Stock
23 FPS
$36.96/FPS
Radeon RX 580
Core i5-8400
8 GB, 1 TB HDD
Buy on Amazon
$849.99
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.
