Core Ultra 9 285K vs Ryzen 7 9800X3D
Short answer: which is best?
Core Ultra 9 285K is 23.3 % stronger than Ryzen 7 9800X3D. Core Ultra 9 285K ranks #2 of 44 measured processors at WhatFPS (15,519 CPU score over 1 verified runs). Ryzen 7 9800X3D ranks #7 of 44 measured processors at WhatFPS (12,588 CPU score over 4 verified runs). The numbers are measured in 5 verified WhatFPS runs — not estimated, not self-reported.
Measured comparison
| Metric | Core Ultra 9 285K | Ryzen 7 9800X3D |
|---|---|---|
| CPU score (the processor's own performance) | 15,519 | 12,588 |
| Best rig (GAMING — whole PC) | 11,994 | 11,423 |
| Integer (MT) | 12.7 Gop/s | 9.4 Gop/s |
| Single-thread (1T) | 0.95 Gop/s | 0.87 Gop/s |
| Draw calls/s (DX11) | 11,963,538 | 7,418,221 |
| Cores / threads | 24 / 24 | 8 / 16 |
| L3 cache | 36 MB | 96 MB |
Fragz' verdict
The Core Ultra 9 285K takes a significant lead in this CPU comparison, outpacing the Ryzen 7 9800X3D by 23.9% in overall CPU score, though it's important to note the Core Ultra 9 285K currently has only one verified run. This performance edge is clear in its stronger multi-threaded integer operations, hitting 12.7 Gop/s compared to 9.2 Gop/s, and its slightly higher single-thread performance of 0.95 Gop/s versus 0.86 Gop/s. The Core Ultra 9 285K also pushes more draw calls per second and achieves a higher Supernova DX11 frame rate. For gamers, this suggests the Core Ultra 9 285K could offer a smoother experience with background tasks and potentially higher minimum frame rates in CPU-intensive scenarios. However, with its 96 MB of L3 cache, the Ryzen 7 9800X3D could still be a compelling option for titles that specifically benefit from larger cache sizes, and its performance is based on a more robust sample of 8 verified runs.
Generated September 14, 2026 from the 5 verified runs available then. The verdict is never silently rewritten — new numbers get a new verdict.
What the numbers mean
The CPU score is the processor's own performance — that is what we rank on. GAMING is the whole rig's score in the best PC we measured the processor in, and leans heavily on the graphics card. A strong processor in a weak PC gets a low GAMING score without being worse. We show both and never mix them.
All numbers come from our benchmark suite: four hand-built 3D scenes written directly against the graphics APIs in Rust, the same load on every PC. The methodology is open at https://whatfps.com/metodik
All measurements for Core Ultra 9 285K · All measurements for Ryzen 7 9800X3D