Ryzen Threadripper 3990X
64C/128T · 4.3 GHz · 280 W TDP · sTRX4 · PassMark #90
Ryzen 7 9800X3D
Zen 5 · 8C/16T · 104 MB cache · Gaming king
Ryzen 7 9800X3D takes it — here’s why.
In our weighted Specdex score, Ryzen Threadripper 3990X lands at 44 and Ryzen 7 9800X3D at 95. That puts Ryzen 7 9800X3D ahead by 51 points — a decisive margin driven mostly by its strengths in the categories below.
Pick Ryzen Threadripper 3990X if…
- ✓PassMark #90 of 5,901 — capable workhorse
- ✓HEDT platform with abundant PCIe and memory lanes
- ✓Current PassMark-tracked street price around $2,997
Pick Ryzen 7 9800X3D if…
- ✓Fastest gaming CPU on the planet
- ✓Overclockable unlike prior X3D parts
- ✓Excellent efficiency (120 W TDP)
Winner by scenario
Derived from the sub-score breakdown · not a separate testValue for money
Ryzen 7 9800X3DSpecdex score per dollar at MSRP
Ryzen 7 9800X3D more score per dollar ($479 vs $2,997).
Score breakdown
Specs side-by-side
| Spec | Ryzen Threadripper 3990X | Ryzen 7 9800X3D |
|---|---|---|
| Cores | ▲ 64 | 8 |
| Threads | ▲ 128 | 16 |
| Base clock | 2.9 GHz | 4.7 GHz |
| Boost clock | 4.3 GHz | 5.2 GHz |
| L3 cache | ▲ 256 MB | 96 MB (3D V-Cache) |
| TDP | 280 W | 120 W |
| Socket | sTRX4 | AM5 |
| Class | Desktop | — |
| PassMark rank | #90 of 5,901 | — |
| PassMark CPU Mark | 79,684 | — |
| Process | — | TSMC 4 nm |
| iGPU | — | Radeon Graphics (RDNA 2, 2 CUs) |
| Memory | — | DDR5-5600 |
Ryzen Threadripper 3990X
- +PassMark #90 of 5,901 — capable workhorse
- +HEDT platform with abundant PCIe and memory lanes
- +Current PassMark-tracked street price around $2,997
- −HEDT motherboards and cooling raise total platform cost
Ryzen 7 9800X3D
- +Fastest gaming CPU on the planet
- +Overclockable unlike prior X3D parts
- +Excellent efficiency (120 W TDP)
- −Only 8 cores for productivity-heavy workloads
- −AM5 motherboard required
- −Scarce at launch
FAQ: Ryzen Threadripper 3990X vs Ryzen 7 9800X3D
Which is better, Ryzen Threadripper 3990X or Ryzen 7 9800X3D? +
Ryzen 7 9800X3D scores 95 on our weighted rubric — ahead by 51. Your best pick depends on the sub-scores above.
Is Ryzen Threadripper 3990X worth the price? +
At $2,997, Ryzen Threadripper 3990X delivers a Specdex score of 44 — strongest in passmark.
Is Ryzen 7 9800X3D worth the price? +
At $479, Ryzen 7 9800X3D delivers a Specdex score of 95 — strongest in gaming.
Does Ryzen Threadripper 3990X or Ryzen 7 9800X3D 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 Threadripper 3990X or Ryzen 7 9800X3D? +
Ryzen 7 9800X3D — more score per dollar ($479 vs $2,997). Specdex score per dollar at MSRP.