Ryzen 7 5800X vs Ryzen 9 3900X
Full specification comparison between the AMD Ryzen 7 5800X (2020) and the AMD Ryzen 9 3900X (2019).
Ryzen 7 5800X
AMD Mid-range
- ✓ ~17% faster on average
- ✓ Higher boost clock (4.7 vs 4.6 GHz)
- ✓ Cheaper at launch ($449 vs $499)
- ✓ Newer (2020 vs 2019)
- ✓ Better performance per dollar
Verdict: The Ryzen 7 5800X is roughly 17% faster than the Ryzen 9 3900X on average — a clear, noticeable performance advantage.
For gaming the Ryzen 7 5800X leads, but the Ryzen 9 3900X pulls ahead in heavily multi-threaded work like rendering, compiling and video export thanks to its stronger multi-core throughput.
At launch pricing, the Ryzen 7 5800X offers more performance per dollar, and the Ryzen 7 5800X 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 | Ryzen 7 5800X | Ryzen 9 3900X |
|---|---|---|
| Family | Zen 3 | Zen 2 |
| Socket | AM4 | AM4 |
| Release year | 2020 | 2019 |
| Est. gaming perf. | ||
| Est. multi-core perf. | ||
| Est. single-core perf. | ||
| Cores | ||
| Threads | ||
| Max boost clock | ||
| L3 cache | ||
| TDP (base) | ||
| Integrated graphics | None | None |
| Launch MSRP |
Green bars mark the better value in each row (for power and price, lower wins).
Frequently asked questions
Is the Ryzen 7 5800X better than the Ryzen 9 3900X?
Yes — based on aggregated benchmark data, the Ryzen 7 5800X is about 17% faster than the Ryzen 9 3900X on average.
How much faster is the Ryzen 7 5800X than the Ryzen 9 3900X?
Roughly 17% on average in gaming workloads. The gap varies by title, resolution and settings.
Which processor is better value?
Comparing launch prices, the Ryzen 7 5800X delivers more performance per dollar. Check current street prices, as market pricing often shifts the value equation.