Core Ultra 9 285K vs Ryzen 9 9950X3D
CPU comparison · Intel vs AMD · 2024 vs 2025
Core Ultra 9 285K vs Ryzen 9 9950X3D — head to head
| Metric | Core Ultra 9 285K | Ryzen 9 9950X3D |
|---|---|---|
| Relative tier | 99/100 | 100/100 |
| TDP / power | 125 W | 170 W |
| Cores / threads | 24 / 24 | 16 / 32 |
| Boost clock | 5.7 GHz | 5.7 GHz |
| L3 cache | 36 MB | 128 MB |
Which one should you pick?
The two are within ~1 tier points of each other, so the relative-performance index does not clearly separate them. 24 cores on the larger chip vs 16. Tier is a TweakGearPro planning estimate, not a benchmark — verify with reviews that match your exact workload, resolution and workload mix before buying.
Specs: vendor datasheets / TechPowerUp database, retrieved 2026-08-29. Tier is a TweakGearPro relative performance index (estimate), not a benchmark guarantee.
Full specifications
Core Ultra 9 285K
| Brand / series | Intel Core Ultra 9 |
|---|---|
| Architecture / class | Arrow Lake |
| Launch year | 2024 |
| Cores / threads | 24 / 24 |
| Base / boost clock | 3.7 / 5.7 GHz |
| L3 cache | 36 MB |
| Socket | LGA1851 |
| TDP | 125 W |
| Relative tier | 99/100 — Enthusiast flagship |
Ryzen 9 9950X3D
| Brand / series | AMD Ryzen 9 |
|---|---|
| Architecture / class | Zen 5 3D |
| Launch year | 2025 |
| Cores / threads | 16 / 32 |
| Base / boost clock | 4.3 / 5.7 GHz |
| L3 cache | 128 MB |
| Socket | AM5 |
| TDP | 170 W |
| Relative tier | 100/100 — Enthusiast flagship |