Ryzen Threadripper 3990X
64C/128T · 4.3 GHz · 280 W TDP · sTRX4 · PassMark #90
EPYC 9654
Zen 4 · 96C/192T · SP5
EPYC 9654 takes it — here’s why.
In our weighted Specdex score, Ryzen Threadripper 3990X lands at 44 and EPYC 9654 at 96. That puts EPYC 9654 ahead by 52 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 EPYC 9654 if…
- ✓Massive core counts
- ✓ECC memory support
- ✓Workstation/server-grade platform
Winner by scenario
Derived from the sub-score breakdown · not a separate testValue for money
Ryzen Threadripper 3990XSpecdex score per dollar at MSRP
Ryzen Threadripper 3990X more score per dollar ($2,997 vs $11,805).
Score breakdown
Specs side-by-side
| Spec | Ryzen Threadripper 3990X | EPYC 9654 |
|---|---|---|
| Cores | 64 | ▲ 96 |
| Threads | 128 | ▲ 192 |
| Base clock | 2.9 GHz | — |
| Boost clock | 4.3 GHz | — |
| L3 cache | 256 MB | — |
| TDP | 280 W | — |
| Socket | sTRX4 | SP5 |
| Class | Desktop | — |
| PassMark rank | #90 of 5,901 | — |
| PassMark CPU Mark | 79,684 | — |
| Architecture | — | Zen 4 |
| Release year | — | 2022 |
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
EPYC 9654
- +Massive core counts
- +ECC memory support
- +Workstation/server-grade platform
- −Niche platform, limited motherboards
- −High TDP requires serious cooling
- −Premium price
FAQ: Ryzen Threadripper 3990X vs EPYC 9654
Which is better, Ryzen Threadripper 3990X or EPYC 9654? +
EPYC 9654 scores 96 on our weighted rubric — ahead by 52. 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 EPYC 9654 worth the price? +
At $11,805, EPYC 9654 delivers a Specdex score of 96 — strongest in multi.
Does Ryzen Threadripper 3990X or EPYC 9654 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 EPYC 9654? +
Ryzen Threadripper 3990X — more score per dollar ($2,997 vs $11,805). Specdex score per dollar at MSRP.