Ryzen 7 5700G vs Ryzen 9 3900X
Full specification comparison between the AMD Ryzen 7 5700G (2021) and the AMD Ryzen 9 3900X (2019).
Ryzen 7 5700G
AMD Entry-level
- ✓ Has integrated graphics
- ✓ Lower power draw (65 W vs 105 W)
- ✓ Cheaper at launch ($359 vs $499)
- ✓ Newer (2021 vs 2019)
- ✓ Better performance per dollar
Ryzen 9 3900X
AMD Entry-level
- ✓ More cores (12 vs 8)
- ✓ Larger L3 cache (64 MB vs 16 MB)
Verdict: The Ryzen 7 5700G and Ryzen 9 3900X deliver essentially the same level of performance — the difference is within a few percent and won't be noticeable in real use. The decision comes down to price, power draw and features.
For gaming the Ryzen 7 5700G 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 5700G offers more performance per dollar, and the Ryzen 7 5700G 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 5700G | Ryzen 9 3900X |
|---|---|---|
| Family | Zen 3 (APU) | Zen 2 |
| Socket | AM4 | AM4 |
| Release year | 2021 | 2019 |
| Est. gaming perf. | ||
| Est. multi-core perf. | ||
| Est. single-core perf. | ||
| Cores | ||
| Threads | ||
| Max boost clock | ||
| L3 cache | ||
| TDP (base) | ||
| Integrated graphics | Radeon Vega 8 | 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 5700G better than the Ryzen 9 3900X?
They perform almost identically (within ~3%). Choose based on price, power consumption and platform rather than raw speed.
How much faster is the Ryzen 7 5700G than the Ryzen 9 3900X?
Roughly 3% on average in gaming workloads. The gap varies by title, resolution and settings.
Which processor is better value?
Comparing launch prices, the Ryzen 7 5700G delivers more performance per dollar. Check current street prices, as market pricing often shifts the value equation.