The Core i5-8600K is a clear winner – it's a slightly faster gaming CPU than the Core i9-9900X and it's also a better value for money, as it's $67.99 cheaper!
Advantages of the Core i5-8600K
- A slightly faster CPU for gaming
- Up to 17% cheaper – $332.00 vs $399.99
- A better value for money for gaming
- Consumes up to 42% less energy – 95 vs 165 Watts
- Has an integrated GPU, while the Core i9-9900X cannot run games without a dedicated GPU
Advantages of the Core i9-9900X
- Can execute more multi-threaded tasks simultaneously – 20 vs 6 threads
Core i5-8600K vs Core i9-9900X for Gaming
The CPU's performance in selected game and settings
Core i5-8600K
Oct 5th, 2017
Average FPS
190
100%
Min 1% FPS
125
100%
Price, $
$332
100%
Value, $/FPS
$1.74/FPS
100%
Core i9-9900X
Oct 19th, 2018
Average FPS
186
98%
Min 1% FPS
124
99%
Price, $
$399.99
83%
Value, $/FPS
$2.15/FPS
81%
Core i5-8600K vs Core i9-9900X in My Games
The FPS you'll get in saved games
The FPS you'll get in saved games
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Synthetic Benchmarks
The Core i5-8600K vs Core i9-9900X in synthetic CPU benchmarks
Performance Specifications
The Core i5-8600K vs Core i9-9900X in core CPU performance specifications
Core i5-8600K
Oct 5th, 2017
Cores
6-core
60%
L3 Cache
9 MB
47%
Base Frequency
3.6 GHz
100%
Turbo Frequency
4.3 GHz
98%
Max. DDR4 RAM Speed
2666 MHz
100%
Core i9-9900X
Oct 19th, 2018
Cores
10-core
100%
L3 Cache
19.25 MB
100%
Base Frequency
3.5 GHz
97%
Turbo Frequency
4.4 GHz
100%
Max. DDR4 RAM Speed
2666 MHz
100%
Specifications
Comparison of all specifications
Core i5-8600K | SpecificationsComparison of all specifications | Core i9-9900X |
|---|---|---|
| General | ||
| Oct 5th, 2017 | Release Date | Oct 19th, 2018 |
$257.00 | MSRP | $989.00 |
Desktop | Segment | Desktop |
| Intel Socket 1151 | Socket | Intel Socket 2066 |
| Coffee Lake | Codename | Skylake |
95 W | Power Consumption | 165 W |
| Performance | ||
| 6 | Cores | 10 |
| 6 | Threads | 20 |
3.6 GHz | Base Frequency | 3.5 GHz |
| 4.3 GHz | Turbo Frequency | 4.4 GHz |
| 9 MB | L3 Cache | 19.25 MB |
| Other Features | ||
| DDR4 @ 2666 MHz | RAM | DDR4 @ 2666 MHz |
UHD Graphics 630 | Integrated Graphics | No |
| Yes | Overclockable | Yes |
