EPYC 9454
Zen 4 · 48C/96T · SP5
Xeon W9-3475X
Sapphire Rapids · 36C/72T · LGA4677
Xeon W9-3475X takes it — here’s why.
In our weighted Specdex score, EPYC 9454 lands at 88 and Xeon W9-3475X at 90. That puts Xeon W9-3475X ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.
Pick EPYC 9454 if…
- ✓Massive core counts
- ✓ECC memory support
- ✓Workstation/server-grade platform
Pick Xeon W9-3475X if…
- ✓Massive core counts
- ✓ECC memory support
- ✓Workstation/server-grade platform
Winner by scenario
Derived from the sub-score breakdown · not a separate testGaming
Xeon W9-3475XFrame-rate-bound workloads — favours cache and single-thread speed
Xeon W9-3475X leads on gaming (70 vs 68).
Creators & productivity
Xeon W9-3475XRendering, compilation, heavy multitasking — favours core count
Xeon W9-3475X leads on multi (90 vs 88).
Power efficiency
TiePerformance per watt — thermals, PSU headroom, electricity cost
Effectively tied — neither pulls a 2-point weighted lead.
Value for money
Xeon W9-3475XSpecdex score per dollar at MSRP
Xeon W9-3475X more score per dollar ($3,739 vs $5,225).
Score breakdown
Specs side-by-side
| Spec | EPYC 9454 | Xeon W9-3475X |
|---|---|---|
| Architecture | Zen 4 | Sapphire Rapids |
| Cores | ▲ 48 | 36 |
| Threads | ▲ 96 | 72 |
| Socket | SP5 | LGA4677 |
| Release year | 2022 | 2023 |
EPYC 9454
- +Massive core counts
- +ECC memory support
- +Workstation/server-grade platform
- −Niche platform, limited motherboards
- −High TDP requires serious cooling
- −Premium price
Xeon W9-3475X
- +Massive core counts
- +ECC memory support
- +Workstation/server-grade platform
- −Niche platform, limited motherboards
- −High TDP requires serious cooling
- −Premium price
FAQ: EPYC 9454 vs Xeon W9-3475X
Which is better, EPYC 9454 or Xeon W9-3475X? +
Xeon W9-3475X scores 90 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.
Is EPYC 9454 worth the price? +
At $5,225, EPYC 9454 delivers a Specdex score of 88 — 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 EPYC 9454 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.
Which is better for gaming, EPYC 9454 or Xeon W9-3475X? +
Xeon W9-3475X — leads on gaming (70 vs 68). Frame-rate-bound workloads — favours cache and single-thread speed.
Which is better for creator and productivity work, EPYC 9454 or Xeon W9-3475X? +
Xeon W9-3475X — leads on multi (90 vs 88). Rendering, compilation, heavy multitasking — favours core count.