i7-8700K vs Ryzen 9 7900X
Full specification comparison between the Intel Core i7-8700K (2017) and the AMD Ryzen 9 7900X (2022).
i7-8700K
Intel Entry-level
- ✓ Lower power draw (95 W vs 170 W)
- ✓ Cheaper at launch ($359 vs $549)
Ryzen 9 7900X
AMD High-end
- ✓ ~62% faster on average
- ✓ More cores (12 vs 6)
- ✓ Larger L3 cache (64 MB vs 12 MB)
- ✓ Higher boost clock (5.6 vs 4.7 GHz)
- ✓ Newer (2022 vs 2017)
Verdict: The Ryzen 9 7900X is roughly 62% faster than the i7-8700K on average — a clear, noticeable performance advantage.
Note they use different platforms (AM5 vs LGA1151), so this is a motherboard decision too, not just a CPU swap.
At launch pricing, the Ryzen 9 7900X offers more performance per dollar, and the i7-8700K is the more power-efficient chip.
Estimated performance
Estimated average 1080p gaming performance compiled from publicly available benchmark data. Individual games vary.
Specs side by side
| Specification | i7-8700K | Ryzen 9 7900X |
|---|---|---|
| Family | Coffee Lake | Zen 4 |
| Socket | LGA1151 | AM5 |
| Release year | 2017 | 2022 |
| Est. gaming perf. | ||
| Est. multi-core perf. | ||
| Est. single-core perf. | ||
| Cores | ||
| Threads | ||
| Max boost clock | ||
| L3 cache | ||
| TDP (base) | ||
| Integrated graphics | UHD 630 | Radeon Graphics |
| Launch MSRP |
Green bars mark the better value in each row (for power and price, lower wins).
Frequently asked questions
Is the Ryzen 9 7900X better than the i7-8700K?
Yes — based on aggregated benchmark data, the Ryzen 9 7900X is about 62% faster than the i7-8700K on average.
How much faster is the Ryzen 9 7900X than the i7-8700K?
Roughly 62% on average in gaming workloads. The gap varies by title, resolution and settings.
Which processor is better value?
Comparing launch prices, the Ryzen 9 7900X delivers more performance per dollar. Check current street prices, as market pricing often shifts the value equation.