AMD Ryzen 5 5500X3D vs AMD Ryzen 9 3900X
—Single-core37.6
41.3Multi-core54.2
84.4Gamingspec-based78.3
2 spec wins — AMD Ryzen 5 5500X3D8 spec wins — AMD Ryzen 9 3900X
InnoReviews verdict
No overall winner yet: AMD Ryzen 5 5500X3D lacks the published benchmark results an Inno Score requires, so there is no Inno Score to compare — we don't rank chips on their spec sheet alone. The spec table below still shows every difference we track.
Which would you pick?
Key differences
Reasons to pick the AMD Ryzen 5 5500X3D
- 50% higher L3 cache: 96 MB vs 64 MB
Reasons to pick the AMD Ryzen 9 3900X
- Stronger multi-core score: 54 vs 41
- 100% higher cores: 12 vs 6
- 100% higher Performance cores: 12 vs 6
- 100% higher threads: 24 vs 12
- 100% higher L2 cache: 6 MB vs 3 MB
General
| Spec | AMD Ryzen 5 5500X3D | AMD Ryzen 9 3900X |
|---|---|---|
| Announced | 2025 | 2019 |
| Socket | AM4 | AM4 |
| Process | 7 nm | 7 nm |
| Base TDP | 105 W | 105 W |
| Max turbo power | — | 142 W |
| Unlocked multiplier | — | Yes |
| Cooler included | No | Yes |
Cores & Clocks
| Spec | AMD Ryzen 5 5500X3D | AMD Ryzen 9 3900X |
|---|---|---|
| Cores | 6 | 12+100% |
| Performance cores | 6 | 12+100% |
| Efficiency cores | 0 | 0 |
| Threads | 12 | 24+100% |
| Base clock | 3 GHz | 3.8 GHz+27% |
| Boost clock | 4 GHz | 4.6 GHz+15% |
| L2 cache | 3 MB | 6 MB+100% |
| L3 cache | 96 MB+50% | 64 MB |
Memory
| Spec | AMD Ryzen 5 5500X3D | AMD Ryzen 9 3900X |
|---|---|---|
| Memory support | DDR4-3200 | DDR4-3200 |
| Max memory | 128 GB | 128 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | AMD Ryzen 5 5500X3D | AMD Ryzen 9 3900X |
|---|---|---|
| PCIe version | 4 | 4 |
| CPU PCIe lanes | 24 | 24 |
Benchmarks
| Spec | AMD Ryzen 5 5500X3D | AMD Ryzen 9 3900X |
|---|---|---|
| Geekbench 6 (single) | — | 1,540Bottom 33% |
| Geekbench 6 (multi) | — | 11,000Top 46% |
| Cinebench R23 (single) | — | 1,300Bottom 34% |
| Cinebench R23 (multi) | — | 18,300Top 31% |
| PassMark | 20,323Bottom 37% | 32,600+60%Top 37% |
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