Core Ultra 9 285K
Arrow Lake · 24C · 5.7 GHz · LGA1851
Ryzen Threadripper PRO 3975WX
32C/64T · 4.2 GHz · 280 W TDP · sWRX8 · PassMark #158
Core Ultra 9 285K takes it — here’s why.
In our weighted Specdex score, Core Ultra 9 285K lands at 89 and Ryzen Threadripper PRO 3975WX at 34. That puts Core Ultra 9 285K ahead by 55 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Core Ultra 9 285K if…
- ✓Far more efficient than 14900K
- ✓Strong multi-thread productivity
- ✓New LGA1851 platform with DDR5-6400
Pick Ryzen Threadripper PRO 3975WX if…
- ✓PassMark #158 of 5,901 — capable workhorse
- ✓Workstation-tier core counts for rendering and compilation
- ✓Current PassMark-tracked street price around $1,399
Winner by scenario
Derived from the sub-score breakdown · not a separate testValue for money
Core Ultra 9 285KSpecdex score per dollar at MSRP
Core Ultra 9 285K more score per dollar ($589 vs $1,399).
Score breakdown
Specs side-by-side
| Spec | Core Ultra 9 285K | Ryzen Threadripper PRO 3975WX |
|---|---|---|
| Cores | 24 (8P + 16E) | ▲ 32 |
| Threads | 24 | ▲ 64 |
| Base clock | 3.7 GHz | 3.5 GHz |
| Boost clock | 5.7 GHz | 4.2 GHz |
| L3 cache | 36 MB | ▲ 128 MB |
| TDP | 125 W (PL1) / 250 W (PL2) | 280 W |
| Socket | LGA1851 | sWRX8 |
| Process | TSMC N3B | — |
| iGPU | Intel Graphics (Xe-LPG, 4 Xe cores @ 2.0 GHz) | — |
| NPU | 13 TOPS | — |
| Memory | DDR5-6400 | — |
| Class | — | Desktop, Server |
| PassMark rank | — | #158 of 5,901 |
| PassMark CPU Mark | — | 62,226 |
Core Ultra 9 285K
- +Far more efficient than 14900K
- +Strong multi-thread productivity
- +New LGA1851 platform with DDR5-6400
- −Gaming regresses vs 14900K in some titles
- −No hyper-threading (24 threads from 24 cores)
- −13 TOPS NPU is modest
Ryzen Threadripper PRO 3975WX
- +PassMark #158 of 5,901 — capable workhorse
- +Workstation-tier core counts for rendering and compilation
- +Current PassMark-tracked street price around $1,399
- −Workstation platform — overkill for gaming-only builds
- −Newer-generation parts pull ahead in current rankings
FAQ: Core Ultra 9 285K vs Ryzen Threadripper PRO 3975WX
Which is better, Core Ultra 9 285K or Ryzen Threadripper PRO 3975WX? +
Core Ultra 9 285K scores 89 on our weighted rubric — ahead by 55. Your best pick depends on the sub-scores above.
Is Core Ultra 9 285K worth the price? +
At $589, Core Ultra 9 285K delivers a Specdex score of 89 — strongest in multi.
Is Ryzen Threadripper PRO 3975WX worth the price? +
At $1,399, Ryzen Threadripper PRO 3975WX delivers a Specdex score of 34 — strongest in passmark.
Does Core Ultra 9 285K or Ryzen Threadripper PRO 3975WX last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.
Which is the better value, Core Ultra 9 285K or Ryzen Threadripper PRO 3975WX? +
Core Ultra 9 285K — more score per dollar ($589 vs $1,399). Specdex score per dollar at MSRP.