The Core i7-990X is the comparison's loser – it's at least 2x slower gaming CPU than the Core i5-8600K and it's also a much worse value for money, as it's only $25.76 cheaper!
Advantages of the Core i7-990X
- Up to 14% cheaper – $160.38 vs $186.14
- Can execute more multi-threaded tasks simultaneously – 12 vs 6 threads
Advantages of the Core i5-8600K
- At least 2x faster CPU for gaming
- A much better value for money for gaming
- Consumes up to 27% less energy – 95 vs 130 Watts
- Has an integrated GPU, while the Core i7-990X cannot run games without a dedicated GPU
Core i7-990X vs Core i5-8600K for Gaming
The CPU's performance in selected game and settings
Core i7-990X
Feb 24th, 2011
Average FPS
169
89%
Min 1% FPS
113
90%
Price, €
€160.38
100%
Value, €/FPS
€0.94/FPS
100%
Core i5-8600K
Oct 5th, 2017
Average FPS
190
100%
Min 1% FPS
125
100%
Price, €
€186.14
86%
Value, €/FPS
€0.97/FPS
97%
Core i7-990X vs Core i5-8600K 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 i7-990X vs Core i5-8600K in synthetic CPU benchmarks
Performance Specifications
The Core i7-990X vs Core i5-8600K in core CPU performance specifications
Core i7-990X
Feb 24th, 2011
Cores
6-core
100%
L3 Cache
12 MB
100%
Base Frequency
3.47 GHz
96%
Turbo Frequency
3.73 GHz
87%
Max. DDR3 RAM Speed
MHz
Core i5-8600K
Oct 5th, 2017
Cores
6-core
100%
L3 Cache
9 MB
75%
Base Frequency
3.6 GHz
100%
Turbo Frequency
4.3 GHz
100%
Max. DDR4 RAM Speed
2666 MHz
100%
Specifications
Comparison of all specifications
Core i7-990X | SpecificationsComparison of all specifications | Core i5-8600K |
|---|---|---|
| General | ||
| Feb 24th, 2011 | Release Date | Oct 5th, 2017 |
| Not Available | MSRP | $257.00 |
Desktop | Segment | Desktop |
| Intel Socket 1366 | Socket | Intel Socket 1151 |
| Gulftown | Codename | Coffee Lake |
| 130 W | Power Consumption | 95 W |
| Performance | ||
| 6 | Cores | 6 |
12 | Threads | 6 |
| 3.5 GHz | Base Frequency | 3.6 GHz |
| 3.7 GHz | Turbo Frequency | 4.3 GHz |
12 MB | L3 Cache | 9 MB |
| Other Features | ||
| DDR3 | RAM | DDR4 @ 2666 MHz |
| No | Integrated Graphics | UHD Graphics 630 |
| Yes | Overclockable | Yes |
