Ryzen 9 7900X3D
12C/24T · 5.6 GHz · 120 W TDP · AM5 (LGA 1718) · PassMark #254
Ryzen 7 7800X3D
Zen 4 · 8C/16T · 120 W · AM5
Ryzen 7 7800X3D takes it — here’s why.
In our weighted Specdex score, Ryzen 9 7900X3D lands at 28 and Ryzen 7 7800X3D at 93. That puts Ryzen 7 7800X3D ahead by 65 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Ryzen 9 7900X3D if…
- ✓PassMark CPU Mark of 50,212 — solid multi-thread numbers
- ✓3D V-Cache delivers strong gaming performance
- ✓Current PassMark-tracked street price around $538
Pick Ryzen 7 7800X3D if…
- ✓AM4/AM5 longevity
- ✓Multi-thread value
- ✓Unlocked multipliers
Winner by scenario
Derived from the sub-score breakdown · not a separate testValue for money
Ryzen 7 7800X3DSpecdex score per dollar at MSRP
Ryzen 7 7800X3D more score per dollar ($449 vs $538).
Score breakdown
Specs side-by-side
| Spec | Ryzen 9 7900X3D | Ryzen 7 7800X3D |
|---|---|---|
| Cores | ▲ 12 | 8 |
| Threads | ▲ 24 | 16 |
| Base clock | 4.4 GHz | — |
| Boost clock | 5.6 GHz | — |
| L3 cache | 128 MB | — |
| TDP | 120 W | 120 W |
| Socket | AM5 (LGA 1718) | AM5 |
| Class | Desktop | — |
| PassMark rank | #254 of 5,901 | — |
| PassMark CPU Mark | 50,212 | — |
| Architecture | — | Zen 4 |
| Release year | — | 2023 |
Ryzen 9 7900X3D
- +PassMark CPU Mark of 50,212 — solid multi-thread numbers
- +3D V-Cache delivers strong gaming performance
- +Current PassMark-tracked street price around $538
- −Higher price than non-X3D sibling at the same core count
- −Newer-generation parts pull ahead in current rankings
Ryzen 7 7800X3D
- +AM4/AM5 longevity
- +Multi-thread value
- +Unlocked multipliers
- −DDR5 required on AM5
- −iGPU optional
- −X3D variants better for gaming
FAQ: Ryzen 9 7900X3D vs Ryzen 7 7800X3D
Which is better, Ryzen 9 7900X3D or Ryzen 7 7800X3D? +
Ryzen 7 7800X3D scores 93 on our weighted rubric — ahead by 65. Your best pick depends on the sub-scores above.
Is Ryzen 9 7900X3D worth the price? +
At $538, Ryzen 9 7900X3D delivers a Specdex score of 28 — strongest in passmark.
Is Ryzen 7 7800X3D worth the price? +
At $449, Ryzen 7 7800X3D delivers a Specdex score of 93 — strongest in multi.
Does Ryzen 9 7900X3D or Ryzen 7 7800X3D 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, Ryzen 9 7900X3D or Ryzen 7 7800X3D? +
Ryzen 7 7800X3D — more score per dollar ($449 vs $538). Specdex score per dollar at MSRP.