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EPYC 9554 — Zen 4 · 64C/128T · SP5
AMD

EPYC 9554

Zen 4 · 64C/128T · SP5

92
/ 100
From $9,087
VS
EPYC 9554 wins by 2
Xeon W9-3475X — Sapphire Rapids · 36C/72T · LGA4677
Intel

Xeon W9-3475X

Sapphire Rapids · 36C/72T · LGA4677

90
/ 100
From $3,739
Specdex verdict

EPYC 9554 takes it — here’s why.

In our weighted Specdex score, EPYC 9554 lands at 92 and Xeon W9-3475X at 90. That puts EPYC 9554 ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.

Pick EPYC 9554 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
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Gaming

EPYC 9554

Frame-rate-bound workloads — favours cache and single-thread speed

EPYC 9554 leads on gaming (72 vs 70).

Creators & productivity

EPYC 9554

Rendering, compilation, heavy multitasking — favours core count

EPYC 9554 leads on multi (92 vs 90).

Power efficiency

Tie

Performance per watt — thermals, PSU headroom, electricity cost

Effectively tied — neither pulls a 2-point weighted lead.

Value for money

Xeon W9-3475X

Specdex score per dollar at MSRP

Xeon W9-3475X more score per dollar ($3,739 vs $9,087).

EPYC 9554 92
vs
90 Xeon W9-3475X

Score breakdown

EPYC 9554
92
single 84
multi 92
gaming 72
efficiency 78
Xeon W9-3475X
90
single 82
multi 90
gaming 70
efficiency 78

Specs side-by-side

EPYC 9554 versus Xeon W9-3475X — full spec comparison
Spec EPYC 9554 Xeon W9-3475X
Architecture
Zen 4
Sapphire Rapids
Cores
▲ 64
36
Threads
▲ 128
72
Socket
SP5
LGA4677
Release year
2022
2023

EPYC 9554

Pros
  • +Massive core counts
  • +ECC memory support
  • +Workstation/server-grade platform
Cons
  • −Niche platform, limited motherboards
  • −High TDP requires serious cooling
  • −Premium price

Xeon W9-3475X

Pros
  • +Massive core counts
  • +ECC memory support
  • +Workstation/server-grade platform
Cons
  • −Niche platform, limited motherboards
  • −High TDP requires serious cooling
  • −Premium price

FAQ: EPYC 9554 vs Xeon W9-3475X

Which is better, EPYC 9554 or Xeon W9-3475X? +

EPYC 9554 scores 92 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.

Is EPYC 9554 worth the price? +

At $9,087, EPYC 9554 delivers a Specdex score of 92 — 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 9554 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 9554 or Xeon W9-3475X? +

EPYC 9554 — leads on gaming (72 vs 70). Frame-rate-bound workloads — favours cache and single-thread speed.

Which is better for creator and productivity work, EPYC 9554 or Xeon W9-3475X? +

EPYC 9554 — leads on multi (92 vs 90). Rendering, compilation, heavy multitasking — favours core count.