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Xeon W5-3435X — Sapphire Rapids · 16C/32T · LGA4677
Intel

Xeon W5-3435X

Sapphire Rapids · 16C/32T · LGA4677

82
/ 100
From $1,589
VS
Xeon W9-3475X wins by 8
Xeon W9-3475X — Sapphire Rapids · 36C/72T · LGA4677
Intel

Xeon W9-3475X

Sapphire Rapids · 36C/72T · LGA4677

90
/ 100
From $3,739
Specdex verdict

Xeon W9-3475X takes it — here’s why.

In our weighted Specdex score, Xeon W5-3435X lands at 82 and Xeon W9-3475X at 90. That puts Xeon W9-3475X ahead by 8 points — a decisive margin driven mostly by its strengths in the categories below.

Pick Xeon W5-3435X 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

Xeon W9-3475X

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

Xeon W9-3475X leads on gaming (70 vs 62).

Creators & productivity

Xeon W9-3475X

Rendering, compilation, heavy multitasking — favours core count

Xeon W9-3475X leads on multi (90 vs 82).

Power efficiency

Tie

Performance per watt — thermals, PSU headroom, electricity cost

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

Value for money

Xeon W5-3435X

Specdex score per dollar at MSRP

Xeon W5-3435X more score per dollar ($1,589 vs $3,739).

Xeon W5-3435X 82
vs
90 Xeon W9-3475X

Score breakdown

Xeon W5-3435X
82
single 74
multi 82
gaming 62
efficiency 78
Xeon W9-3475X
90
single 82
multi 90
gaming 70
efficiency 78

Specs side-by-side

Xeon W5-3435X versus Xeon W9-3475X — full spec comparison
Spec Xeon W5-3435X Xeon W9-3475X
Architecture
Sapphire Rapids
Sapphire Rapids
Cores
16
▲ 36
Threads
32
▲ 72
Socket
LGA4677
LGA4677
Release year
2023
2023

Xeon W5-3435X

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: Xeon W5-3435X vs Xeon W9-3475X

Which is better, Xeon W5-3435X or Xeon W9-3475X? +

Xeon W9-3475X scores 90 on our weighted rubric — ahead by 8. Your best pick depends on the sub-scores above.

Is Xeon W5-3435X worth the price? +

At $1,589, Xeon W5-3435X delivers a Specdex score of 82 — 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 Xeon W5-3435X 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, Xeon W5-3435X or Xeon W9-3475X? +

Xeon W9-3475X — leads on gaming (70 vs 62). Frame-rate-bound workloads — favours cache and single-thread speed.

Which is better for creator and productivity work, Xeon W5-3435X or Xeon W9-3475X? +

Xeon W9-3475X — leads on multi (90 vs 82). Rendering, compilation, heavy multitasking — favours core count.