Ryzen Threadripper 3990X Review
64C/128T · 4.3 GHz · 280 W TDP · sTRX4 · PassMark #90
Specdex verdict Ryzen Threadripper 3990X is a category laggard on the dimensions we weight — see the alternatives below.
PassMark ranks the Ryzen Threadripper 3990X at #90 (top 60%) with a CPU Mark of 79,684. Score and rank sourced from PassMark CPU Mark (June 2026 snapshot).
Specdex doesn't run benchmarks in-house. The verdict is an editorial assessment based on manufacturer specs and public reviewer consensus. See methodology.
Ryzen Threadripper 3990X versus its closest rivals
- +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
Who's the Ryzen Threadripper 3990X for?
Quick verdicts for the most common buyer profiles, derived from the sub-scores above.
Compute scores trail current top-tier — look at our step-up alternatives below if performance is the priority.
At $2,997 you're in flagship territory — check the "cheaper alternatives" block below for nearer-equivalent picks at half the price.
In the box
What you get when you unbox the Ryzen Threadripper 3990X.
- Processor
- Cooler (non-X3D / non-K SKUs)
Standard contents — region/SKU may vary; confirm at retailer.
Sources & benchmarks
Cited, not generatedMulti-sample composite benchmark from PassMark — independent, third-party measurement. Higher is better. Specdex does not run this test; the number shown is PassMark's published score.
Specifications
Source · www.cpubenchmark.net| Specification | Value |
|---|---|
| Cores | 64 |
| Threads | 128 |
| L3 cache | 256 MB |
| TDP | 280 W |
| PassMark CPU Mark | 79,684 |
| Specification | Value |
|---|---|
| Boost clock | 4.3 GHz |
| Specification | Value |
|---|---|
| Base clock | 2.9 GHz |
| Socket | sTRX4 |
| Class | Desktop |
| PassMark rank | #90 of 5,901 |
Cheaper alternatives to the Ryzen Threadripper 3990X
Same category, at least 20% cheaper, best-scoring picks from our catalog.
Step up from the Ryzen Threadripper 3990X
Higher-scoring processors if you've got more to spend.
More from AMD
All AMD products on Specdex →
Also consider
Where the Ryzen Threadripper 3990X appears on Specdex
Curated lists, spec rankings, and buying guides where this product is mentioned or ranked.