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AMD Ryzen 9 9900X3D — Zen 5 · 12C/24T · 3D V-Cache
AMD

AMD Ryzen 9 9900X3D

Zen 5 · 12C/24T · 3D V-Cache

93
/ 100
From $599
VS
Intel Core Ultra 9 395K — Panther Lake · 26C · 6.0 GHz
Intel

Intel Core Ultra 9 395K

Panther Lake · 26C · 6.0 GHz

93
/ 100
From $649
Specdex verdict

Dead heat — it comes down to priorities.

In our weighted Specdex score, AMD Ryzen 9 9900X3D lands at 93 and Intel Core Ultra 9 395K at 93. With scores tied, the decision hinges on which sub-scores matter most to you.

Pick AMD Ryzen 9 9900X3D if…

  • 12C V-Cache vs 9800X3D 8C
  • Strong productivity + gaming combo
  • AM5 platform longevity

Pick Intel Core Ultra 9 395K if…

  • Latest generation silicon
  • Improved perf-per-watt
  • Full modern feature set
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Winner by scenario

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

Gaming

AMD Ryzen 9 9900X3D

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

AMD Ryzen 9 9900X3D leads on gaming (96 vs 94).

Creators & productivity

Tie

Rendering, compilation, heavy multitasking — favours core count

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

Power efficiency

Tie

Performance per watt — thermals, PSU headroom, electricity cost

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

Value for money

Tie

Specdex score per dollar at MSRP

Effectively tied — similar score-per-dollar at MSRP.

AMD Ryzen 9 9900X3D 93
vs
93 Intel Core Ultra 9 395K

Score breakdown

AMD Ryzen 9 9900X3D
93
cpu 96
gaming 96
multi 92
efficiency 86
single 0
Intel Core Ultra 9 395K
93
cpu 0
gaming 94
multi 93
efficiency 86
single 95

Specs side-by-side

AMD Ryzen 9 9900X3D versus Intel Core Ultra 9 395K — full spec comparison
Spec AMD Ryzen 9 9900X3D Intel Core Ultra 9 395K
Cores / threads
12 / 24
Base / boost
4.4 / 5.5 GHz
L3 cache
128 MB (64 + 64 MB stacked)
TDP
120 W
Socket
AM5
LGA1851
Process
TSMC 4nm
Architecture
Panther Lake
Cores
26 (8P+16E+2LP)
Threads
26
Release year
2025

AMD Ryzen 9 9900X3D

Pros
  • +12C V-Cache vs 9800X3D 8C
  • +Strong productivity + gaming combo
  • +AM5 platform longevity
Cons
  • Cross-CCD scheduling tax in some titles
  • Power tuning quirky
  • Premium over 9800X3D

Intel Core Ultra 9 395K

Pros
  • +Latest generation silicon
  • +Improved perf-per-watt
  • +Full modern feature set
Cons
  • Premium pricing
  • Requires up-to-date platform
  • Initial stock scarcity likely

FAQ: AMD Ryzen 9 9900X3D vs Intel Core Ultra 9 395K

Which is better, AMD Ryzen 9 9900X3D or Intel Core Ultra 9 395K? +

Both score 93 on our weighted rubric — tied. Your best pick depends on the sub-scores above.

Is AMD Ryzen 9 9900X3D worth the price? +

At $599, AMD Ryzen 9 9900X3D delivers a Specdex score of 93 — strongest in cpu.

Is Intel Core Ultra 9 395K worth the price? +

At $649, Intel Core Ultra 9 395K delivers a Specdex score of 93 — strongest in single.

Does AMD Ryzen 9 9900X3D or Intel Core Ultra 9 395K 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, AMD Ryzen 9 9900X3D or Intel Core Ultra 9 395K? +

AMD Ryzen 9 9900X3D — leads on gaming (96 vs 94). Frame-rate-bound workloads — favours cache and single-thread speed.