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Ryzen 7 5800X3D — Zen 3 · 8C/16T · 105 W · AM4
AMD

Ryzen 7 5800X3D

Zen 3 · 8C/16T · 105 W · AM4

86
/ 100
From $449
VS
Xeon W9-3475X wins by 4
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, Ryzen 7 5800X3D lands at 86 and Xeon W9-3475X at 90. That puts Xeon W9-3475X ahead by 4 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Ryzen 7 5800X3D if…

  • ✓AM4/AM5 longevity
  • ✓Multi-thread value
  • ✓Unlocked multipliers

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

Ryzen 7 5800X3D

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

Ryzen 7 5800X3D leads on gaming (84 vs 70).

Creators & productivity

Xeon W9-3475X

Rendering, compilation, heavy multitasking — favours core count

Xeon W9-3475X leads on multi (90 vs 86).

Power efficiency

Ryzen 7 5800X3D

Performance per watt — thermals, PSU headroom, electricity cost

Ryzen 7 5800X3D leads on efficiency (88 vs 78).

Value for money

Ryzen 7 5800X3D

Specdex score per dollar at MSRP

Ryzen 7 5800X3D more score per dollar ($449 vs $3,739).

Ryzen 7 5800X3D 86
vs
90 Xeon W9-3475X

Score breakdown

Ryzen 7 5800X3D
86
single 82
multi 86
gaming 84
efficiency 88
Xeon W9-3475X
90
single 82
multi 90
gaming 70
efficiency 78

Specs side-by-side

Ryzen 7 5800X3D versus Xeon W9-3475X — full spec comparison
Spec Ryzen 7 5800X3D Xeon W9-3475X
Architecture
Zen 3
Sapphire Rapids
Cores
8
▲ 36
Threads
16
▲ 72
TDP
105 W
—
Socket
AM4
LGA4677
Release year
2022
2023

Ryzen 7 5800X3D

Pros
  • +AM4/AM5 longevity
  • +Multi-thread value
  • +Unlocked multipliers
Cons
  • −DDR5 required on AM5
  • −iGPU optional
  • −X3D variants better for gaming

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: Ryzen 7 5800X3D vs Xeon W9-3475X

Which is better, Ryzen 7 5800X3D or Xeon W9-3475X? +

Xeon W9-3475X scores 90 on our weighted rubric — ahead by 4. Your best pick depends on the sub-scores above.

Is Ryzen 7 5800X3D worth the price? +

At $449, Ryzen 7 5800X3D delivers a Specdex score of 86 — strongest in efficiency.

Is Xeon W9-3475X worth the price? +

At $3,739, Xeon W9-3475X delivers a Specdex score of 90 — strongest in multi.

Does Ryzen 7 5800X3D 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, Ryzen 7 5800X3D or Xeon W9-3475X? +

Ryzen 7 5800X3D — leads on gaming (84 vs 70). Frame-rate-bound workloads — favours cache and single-thread speed.

Which is better for creator and productivity work, Ryzen 7 5800X3D or Xeon W9-3475X? +

Xeon W9-3475X — leads on multi (90 vs 86). Rendering, compilation, heavy multitasking — favours core count.