Buy on Amazon
$74.64
In Stock
Availability
Availability
AvailabilityMSRP in USD: $513
Availability
MSRP in USD: $513
Key Differences
In short — Core i9-9900KS 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 i9-9900KS is 753 days newer than the cheaper Core i5-8400.
Advantages of Intel Core i5-8400
- Up to 95% cheaper than Core i9-9900KS - $74.64 vs $1499.0
- Consumes up to 49% less energy than Intel Core i9-9900KS - 65 vs 127 Watts
Advantages of Intel Core i9-9900KS
- Performs up to 4% better in Saints Row than Core i5-8400 - 168 vs 161 FPS
- Can execute more multi-threaded tasks simultaneously than Intel Core i5-8400 - 16 vs 6 threads
- Works without a dedicated GPU, while Intel Core i5-8400 doesn't have integrated graphics
Saints Row
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 76881 minutes ago
Intel Core i9-9900KS Desktop Processor 8 Cores up to 5.0GHz All-Core Turbo Unlocked LGA1151 Z390 127W
Buy for $1,499 on Amazon
In Stock
Updated 76881 minutes ago
TOP 5 Games
Resolution
1920 x 1080
Game Graphics
Ultra
Core i5-8400
Desktop • Oct 5th, 2017
Core i9-9900KS
Desktop • Oct 28th, 2019
Geekbench 5 Benchmarks
Core i5-8400
Desktop • Oct 5th, 2017
Single-Core
1353
76.01123595505618%
Multi-Core
4748
55.234993020009306%
Intel Core i5-8400 | vs | Intel Core i9-9900KS |
|---|---|---|
| Oct 5th, 2017 | Release Date | Oct 28th, 2019 |
| Core i5 | Collection | Core i9 |
| Coffee Lake | Codename | Coffee Lake |
| Intel Socket 1151 | Socket | Intel Socket 1151 |
Desktop | Segment | Desktop |
| 6 | Cores | 8 |
| 6 | Threads | 16 |
| 2.8 GHz | Base Clock Speed | 4.0 GHz |
| 4.0 GHz | Turbo Clock Speed | 5.0 GHz |
65 W | TDP | 127 W |
| 14 nm | Process Size | 14 nm |
| 28.0x | Multiplier | 40.0x |
| None | Integrated Graphics | UHD 630 |
| No | Overclockable | Yes |
Builds Using Core i5-8400 or Core i9-9900KS
Saints Row, 1920 x 1080, Ultra
30 FPS
$28.33/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.
