FPSVersusRyzen 9 7900X vs Ryzen 9 9955HX
Performance score
Ryzen 9 7900X is 3% faster than Ryzen 9 9955HX by our estimate.
The score is our own estimate from the specs (cores, threads, clocks, architecture generation), not a benchmark run. 100 = the fastest CPU in our database.
Real tests
What the test measures
Blender is a popular free 3D graphics program. The test makes the device render three ready-made 3D scenes (light, shadows, reflections) and counts how many render passes it finishes per minute. The higher the number, the faster the device handles heavy work: 3D, video editing, photo processing. On a CPU the test loads all cores at once, so it shows the chip's full power; on a graphics card it shows its compute strength.
Median of real test runs on users' computers. It does not show FPS in games. Data updated: 31.10.2026.
Overview
| Ryzen 9 7900X | Ryzen 9 9955HX | |
|---|---|---|
| Score (0–100) | 72.58 | 70.65 |
| Ranking position | 12 | 17 |
| Price/performance (0–100) | 47.44 | no data |
| Power efficiency (0–100) | 22.31 | no data |
| Type | Desktop | Laptop |
| Manufacturer | AMD | AMD |
| Architecture | Zen 4 (Raphael) | Zen 5 (Fire Range) |
| Release date | 2022-09-27 | Q3 2025 |
| Launch price | $549 | no data |
Specifications
| Ryzen 9 7900X | Ryzen 9 9955HX | |
|---|---|---|
| Cores | 12 | 16 |
| Threads | 24 | 32 |
| Base clock | 4.7 GHz | 2.5 GHz |
| Boost clock | 5.6 GHz | 5.4 GHz |
| L2 cache | 12 MB | 16 MB |
| L3 cache | 64 MB | 64 MB |
| Process node | 5 nm | no data |
| Unlocked multiplier | yes | no |
| Integrated graphics | AMD Radeon Graphics | no |
| NPU (AI accelerator) | no | no |
Compatibility
| Ryzen 9 7900X | Ryzen 9 9955HX | |
|---|---|---|
| Socket | AM5 | no data |
| TDP | 170 W | no data |
| Max temperature | 95 °C | no data |
Memory and PCI Express
| Ryzen 9 7900X | Ryzen 9 9955HX | |
|---|---|---|
| Memory type | DDR5-5200 | no data |
| Memory channels | 2 | no data |
| Max memory | 192 GB | no data |
| PCI Express version | 5.0 | no data |
| PCIe lanes | 24 | no data |
Pros and cons
Ryzen 9 7900X
- has integrated graphics (AMD Radeon Graphics)
- unlocked multiplier (can be overclocked)
Ryzen 9 9955HX
- 9% faster single core
- more cores: 16 vs 12
- more threads: 32 vs 24
- newer: released in 2025
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