AMD
Ryzen 9 7900X
Zen 4 · 12C/24T · 170 W · AM5
90
/ 100
From $549
VS
Intel
Xeon W9-3475X
Sapphire Rapids · 36C/72T · LGA4677
90
/ 100
From $3,739
Specdex verdict
Dead heat — it comes down to priorities.
In our weighted Specdex score, Ryzen 9 7900X lands at 90 and Xeon W9-3475X at 90. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick Ryzen 9 7900X if…
- ✓AM4/AM5 longevity
- ✓Multi-thread value
- ✓Unlocked multipliers
Pick Xeon W9-3475X if…
- ✓Massive core counts
- ✓ECC memory support
- ✓Workstation/server-grade platform
Ryzen 9 7900X 90
vs 90 Xeon W9-3475X
Score breakdown
Ryzen 9 7900X
90 single 86
multi 90
gaming 88
efficiency 80
Xeon W9-3475X
90 single 82
multi 90
gaming 70
efficiency 78
Specs side-by-side
| Spec | Ryzen 9 7900X | Xeon W9-3475X |
|---|---|---|
| Architecture | Zen 4 | Sapphire Rapids |
| Cores | 12 | ▲ 36 |
| Threads | 24 | ▲ 72 |
| TDP | 170 W | — |
| Socket | AM5 | LGA4677 |
| Release year | 2022 | 2023 |
Ryzen 9 7900X
Pros
- +AM4/AM5 longevity
- +Multi-thread value
- +Unlocked multipliers
Cons
- −DDR5 required on AM5
- −iGPU optional
- −X3D variants better for gaming
Xeon W9-3475X
Pros
- +Massive core counts
- +ECC memory support
- +Workstation/server-grade platform
Cons
- −Niche platform, limited motherboards
- −High TDP requires serious cooling
- −Premium price
FAQ: Ryzen 9 7900X vs Xeon W9-3475X
Which is better, Ryzen 9 7900X or Xeon W9-3475X? +
Both score 90 on our weighted rubric — tied. 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 Xeon W9-3475X worth the price? +
At $3,739, Xeon W9-3475X delivers a Specdex score of 90 — strongest in multi.
Does Ryzen 9 7900X or Xeon W9-3475X 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.