Core Ultra 9 285K
Arrow Lake · 24C · 5.7 GHz · LGA1851
Ryzen 9 7945HX3D
16C/32T · 5.4 GHz · 55 W TDP · FL1 · PassMark #191
Core Ultra 9 285K takes it — here’s why.
In our weighted Specdex score, Core Ultra 9 285K lands at 89 and Ryzen 9 7945HX3D at 32. That puts Core Ultra 9 285K ahead by 57 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 9 7945HX3D if…
- ✓PassMark #191 of 5,901 — capable workhorse
- ✓3D V-Cache delivers strong gaming performance
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 $549).
Score breakdown
Specs side-by-side
| Spec | Core Ultra 9 285K | Ryzen 9 7945HX3D |
|---|---|---|
| Cores | ▲ 24 (8P + 16E) | 16 |
| Threads | 24 | ▲ 32 |
| Base clock | 3.7 GHz | 2.3 GHz |
| Boost clock | 5.7 GHz | 5.4 GHz |
| L3 cache | ▲ 36 MB | 32 MB |
| TDP | 125 W (PL1) / 250 W (PL2) | 55 W |
| Socket | LGA1851 | FL1 |
| Process | TSMC N3B | — |
| iGPU | Intel Graphics (Xe-LPG, 4 Xe cores @ 2.0 GHz) | — |
| NPU | 13 TOPS | — |
| Memory | DDR5-6400 | — |
| Class | — | Laptop |
| PassMark rank | — | #191 of 5,901 |
| PassMark CPU Mark | — | 57,729 |
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 9 7945HX3D
- +PassMark #191 of 5,901 — capable workhorse
- +3D V-Cache delivers strong gaming performance
- −Higher price than non-X3D sibling at the same core count
- −Newer-generation parts pull ahead in current rankings
FAQ: Core Ultra 9 285K vs Ryzen 9 7945HX3D
Which is better, Core Ultra 9 285K or Ryzen 9 7945HX3D? +
Core Ultra 9 285K scores 89 on our weighted rubric — ahead by 57. 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 9 7945HX3D worth the price? +
At $549, Ryzen 9 7945HX3D delivers a Specdex score of 32 — strongest in passmark.
Does Core Ultra 9 285K or Ryzen 9 7945HX3D 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 9 7945HX3D? +
Core Ultra 9 285K — more score per dollar ($589 vs $549). Specdex score per dollar at MSRP.