AMD
Ryzen 9 7900X
Zen 4 · 12C/24T · 170 W · AM5
90
/ 100
From $549
VS
Ryzen 9 7900X wins by 1
Intel
Core Ultra 9 285K
Arrow Lake · 24C · 5.7 GHz · LGA1851
89
/ 100
From $589
Specdex verdict
Ryzen 9 7900X takes it — here’s why.
In our weighted Specdex score, Ryzen 9 7900X lands at 90 and Core Ultra 9 285K at 89. That puts Ryzen 9 7900X ahead by 1 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Ryzen 9 7900X if…
- ✓AM4/AM5 longevity
- ✓Multi-thread value
- ✓Unlocked multipliers
Pick Core Ultra 9 285K if…
- ✓Far more efficient than 14900K
- ✓Strong multi-thread productivity
- ✓New LGA1851 platform with DDR5-6400
Ryzen 9 7900X 90
vs 89 Core Ultra 9 285K
Score breakdown
Ryzen 9 7900X
90 single 86
multi 90
gaming 88
efficiency 80
Core Ultra 9 285K
89 single 92
multi 94
gaming 85
efficiency 90
Specs side-by-side
| Spec | Ryzen 9 7900X | Core Ultra 9 285K |
|---|---|---|
| Architecture | Zen 4 | — |
| Cores | 12 | ▲ 24 (8P + 16E) |
| Threads | 24 | 24 |
| TDP | 170 W | 125 W (PL1) / 250 W (PL2) |
| Socket | AM5 | LGA1851 |
| Release year | 2022 | — |
| Base clock | — | 3.7 GHz |
| Boost clock | — | 5.7 GHz |
| L3 cache | — | 36 MB |
| Process | — | TSMC N3B |
| iGPU | — | Intel Graphics (Xe-LPG, 4 Xe cores @ 2.0 GHz) |
| NPU | — | 13 TOPS |
| Memory | — | DDR5-6400 |
Ryzen 9 7900X
Pros
- +AM4/AM5 longevity
- +Multi-thread value
- +Unlocked multipliers
Cons
- −DDR5 required on AM5
- −iGPU optional
- −X3D variants better for gaming
Core Ultra 9 285K
Pros
- +Far more efficient than 14900K
- +Strong multi-thread productivity
- +New LGA1851 platform with DDR5-6400
Cons
- −Gaming regresses vs 14900K in some titles
- −No hyper-threading (24 threads from 24 cores)
- −13 TOPS NPU is modest
FAQ: Ryzen 9 7900X vs Core Ultra 9 285K
Which is better, Ryzen 9 7900X or Core Ultra 9 285K? +
Ryzen 9 7900X scores 90 on our weighted rubric — ahead by 1. Your best pick depends on the sub-scores above.
Is Ryzen 9 7900X worth the price? +
At $549, Ryzen 9 7900X delivers a Specdex score of 90 — strongest in multi.
Is Core Ultra 9 285K worth the price? +
At $589, Core Ultra 9 285K delivers a Specdex score of 89 — strongest in multi.
Does Ryzen 9 7900X or Core Ultra 9 285K 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.