AMD Ryzen 9 9900X3D vs AMD Ryzen 9 9950X
—Single-core93
86.2Multi-core99
93.8Gamingspec-based85.2
5 spec wins — AMD Ryzen 9 9900X3D6 spec wins — AMD Ryzen 9 9950X
InnoReviews verdict
No overall winner yet: AMD Ryzen 9 9900X3D 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 9 9900X3D
- 100% higher L3 cache: 128 MB vs 64 MB
- 33% higher Max memory: 256 GB vs 192 GB
- 29% lower Base TDP: 120 W vs 170 W
Reasons to pick the AMD Ryzen 9 9950X
- Stronger multi-core score: 99 vs 86
- 33% higher cores: 16 vs 12
- 33% higher Performance cores: 16 vs 12
- 33% higher threads: 32 vs 24
- 33% higher L2 cache: 16 MB vs 12 MB
General
| Spec | AMD Ryzen 9 9900X3D | AMD Ryzen 9 9950X |
|---|---|---|
| Announced | 2025 | 2024 |
| Socket | AM5 | AM5 |
| Process | 4 nm | 4 nm |
| Base TDP | 120 W+29% | 170 W |
| Max turbo power | — | 230 W |
| Unlocked multiplier | Yes | Yes |
| Cooler included | No | No |
Cores & Clocks
| Spec | AMD Ryzen 9 9900X3D | AMD Ryzen 9 9950X |
|---|---|---|
| Cores | 12 | 16+33% |
| Performance cores | 12 | 16+33% |
| Efficiency cores | 0 | 0 |
| Threads | 24 | 32+33% |
| Base clock | 4.4 GHz+2% | 4.3 GHz |
| Boost clock | 5.5 GHz | 5.7 GHz+4% |
| L2 cache | 12 MB | 16 MB+33% |
| L3 cache | 128 MB+100% | 64 MB |
Integrated GPU
| Spec | AMD Ryzen 9 9900X3D | AMD Ryzen 9 9950X |
|---|---|---|
| iGPU | AMD Radeon Graphics (2 CU RDNA 2) | AMD Radeon Graphics (2 CU RDNA 2) |
| iGPU clock | 2,200 MHz | 2,200 MHz |
Memory
| Spec | AMD Ryzen 9 9900X3D | AMD Ryzen 9 9950X |
|---|---|---|
| Memory support | DDR5-5600 | DDR5-5600 |
| Max memory | 256 GB+33% | 192 GB |
| Memory channels | 2 | 2 |
Platform
| Spec | AMD Ryzen 9 9900X3D | AMD Ryzen 9 9950X |
|---|---|---|
| PCIe version | 5 | 5 |
| CPU PCIe lanes | 28 | 28 |
Benchmarks
| Spec | AMD Ryzen 9 9900X3D | AMD Ryzen 9 9950X |
|---|---|---|
| Geekbench 6 (single) | — | 3,400Top 2% |
| Geekbench 6 (multi) | — | 23,000Top 2% |
| Cinebench R23 (single) | — | 2,280Top 4% |
| Cinebench R23 (multi) | — | 42,000Top 5% |
| PassMark | 56,050Top 12% | 66,500+19%Top 4% |
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