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AMD Ryzen 7 9800X3D (v2) — Zen 5 + 3D V-Cache · 8C · 5.4 GHz
AMD

AMD Ryzen 7 9800X3D (v2)

Zen 5 + 3D V-Cache · 8C · 5.4 GHz

96
/ 100
From $499
VS
AMD Ryzen 7 9800X3D (v2) wins by 64
Ryzen 9 7945HX3D — 16C/32T · 5.4 GHz · 55 W TDP · FL1 · PassMark #191
AMD

Ryzen 9 7945HX3D

16C/32T · 5.4 GHz · 55 W TDP · FL1 · PassMark #191

32
/ 100
From $549
Specdex verdict

AMD Ryzen 7 9800X3D (v2) takes it — here’s why.

In our weighted Specdex score, AMD Ryzen 7 9800X3D (v2) lands at 96 and Ryzen 9 7945HX3D at 32. That puts AMD Ryzen 7 9800X3D (v2) ahead by 64 points — a decisive margin driven mostly by its strengths in the categories below.

Pick AMD Ryzen 7 9800X3D (v2) if…

  • ✓Latest generation silicon
  • ✓Improved perf-per-watt
  • ✓Full modern feature set

Pick Ryzen 9 7945HX3D if…

  • ✓PassMark #191 of 5,901 — capable workhorse
  • ✓3D V-Cache delivers strong gaming performance
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Winner by scenario

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

Value for money

AMD Ryzen 7 9800X3D (v2)

Specdex score per dollar at MSRP

AMD Ryzen 7 9800X3D (v2) more score per dollar ($499 vs $549).

AMD Ryzen 7 9800X3D (v2) 96
vs
32 Ryzen 9 7945HX3D

Score breakdown

AMD Ryzen 7 9800X3D (v2)
96
single 98
multi 96
gaming 97
efficiency 86
cpu 0
passmark 0
Ryzen 9 7945HX3D
32
single 0
multi 0
gaming 0
efficiency 0
cpu 32
passmark 57729

Specs side-by-side

AMD Ryzen 7 9800X3D (v2) versus Ryzen 9 7945HX3D — full spec comparison
Spec AMD Ryzen 7 9800X3D (v2) Ryzen 9 7945HX3D
Architecture
Zen 5
—
Cores
8
▲ 16
Threads
16
▲ 32
Socket
AM5
FL1
Release year
2026
—
Base clock
—
2.3 GHz
Boost clock
—
5.4 GHz
L3 cache
—
32 MB
TDP
—
55 W
Class
—
Laptop
PassMark rank
—
#191 of 5,901
PassMark CPU Mark
—
57,729

AMD Ryzen 7 9800X3D (v2)

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

Ryzen 9 7945HX3D

Pros
  • +PassMark #191 of 5,901 — capable workhorse
  • +3D V-Cache delivers strong gaming performance
Cons
  • −Higher price than non-X3D sibling at the same core count
  • −Newer-generation parts pull ahead in current rankings

FAQ: AMD Ryzen 7 9800X3D (v2) vs Ryzen 9 7945HX3D

Which is better, AMD Ryzen 7 9800X3D (v2) or Ryzen 9 7945HX3D? +

AMD Ryzen 7 9800X3D (v2) scores 96 on our weighted rubric — ahead by 64. Your best pick depends on the sub-scores above.

Is AMD Ryzen 7 9800X3D (v2) worth the price? +

At $499, AMD Ryzen 7 9800X3D (v2) delivers a Specdex score of 96 — strongest in single.

Is Ryzen 9 7945HX3D worth the price? +

At $549, Ryzen 9 7945HX3D delivers a Specdex score of 32 — strongest in passmark.

Does AMD Ryzen 7 9800X3D (v2) or Ryzen 9 7945HX3D 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 the better value, AMD Ryzen 7 9800X3D (v2) or Ryzen 9 7945HX3D? +

AMD Ryzen 7 9800X3D (v2) — more score per dollar ($499 vs $549). Specdex score per dollar at MSRP.