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Apple Watch Ultra 3 Aluminum 45mm — S11 SiP · Aluminum 45mm · 2025
Apple

Apple Watch Ultra 3 Aluminum 45mm

S11 SiP · Aluminum 45mm · 2025

95
/ 100
From $799
VS
Apple Watch Ultra 3 Aluminum 45mm wins by 10
Galaxy Watch 6 Classic — 2023 · Fitness + health
Samsung

Galaxy Watch 6 Classic

2023 · Fitness + health

85
/ 100
From $399
Specdex verdict

Apple Watch Ultra 3 Aluminum 45mm takes it — here’s why.

In our weighted Specdex score, Apple Watch Ultra 3 Aluminum 45mm lands at 95 and Galaxy Watch 6 Classic at 85. That puts Apple Watch Ultra 3 Aluminum 45mm ahead by 10 points — a decisive margin driven mostly by its strengths in the categories below.

Pick Apple Watch Ultra 3 Aluminum 45mm if…

  • ✓Satellite connectivity (Ultra 3)
  • ✓Blood pressure trends (Series 11)
  • ✓watchOS 12

Pick Galaxy Watch 6 Classic if…

  • ✓Multi-day fitness tracking
  • ✓GPS + heart rate
  • ✓Notification mirroring
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Winner by scenario

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

Display

Apple Watch Ultra 3 Aluminum 45mm

Compared on the display sub-score

Apple Watch Ultra 3 Aluminum 45mm leads on display (95 vs 88).

Durability

Apple Watch Ultra 3 Aluminum 45mm

Compared on the durability sub-score

Apple Watch Ultra 3 Aluminum 45mm leads on durability (96 vs 86).

Fitness

Apple Watch Ultra 3 Aluminum 45mm

Compared on the fitness sub-score

Apple Watch Ultra 3 Aluminum 45mm leads on fitness (94 vs 85).

Value for money

Galaxy Watch 6 Classic

Specdex score per dollar at MSRP

Galaxy Watch 6 Classic more score per dollar ($399 vs $799).

Apple Watch Ultra 3 Aluminum 45mm 95
vs
85 Galaxy Watch 6 Classic

Score breakdown

Apple Watch Ultra 3 Aluminum 45mm
95
battery 82
display 95
fitness 94
health 96
durability 96
Galaxy Watch 6 Classic
85
battery 72
display 88
fitness 85
health 83
durability 86

Specs side-by-side

Apple Watch Ultra 3 Aluminum 45mm versus Galaxy Watch 6 Classic — full spec comparison
Spec Apple Watch Ultra 3 Aluminum 45mm Galaxy Watch 6 Classic
Chip
S11 SiP
—
Case
Aluminum 45mm
—
Release year
2025
2023

Apple Watch Ultra 3 Aluminum 45mm

Pros
  • +Satellite connectivity (Ultra 3)
  • +Blood pressure trends (Series 11)
  • +watchOS 12
Cons
  • −iPhone-required
  • −Battery ~18 h on Series, ~48 h on Ultra
  • −Premium pricing

Galaxy Watch 6 Classic

Pros
  • +Multi-day fitness tracking
  • +GPS + heart rate
  • +Notification mirroring
Cons
  • −Battery life varies dramatically
  • −Companion phone required
  • −Screen-on drains battery

FAQ: Apple Watch Ultra 3 Aluminum 45mm vs Galaxy Watch 6 Classic

Which is better, Apple Watch Ultra 3 Aluminum 45mm or Galaxy Watch 6 Classic? +

Apple Watch Ultra 3 Aluminum 45mm scores 95 on our weighted rubric — ahead by 10. Your best pick depends on the sub-scores above.

Is Apple Watch Ultra 3 Aluminum 45mm worth the price? +

At $799, Apple Watch Ultra 3 Aluminum 45mm delivers a Specdex score of 95 — strongest in health.

Is Galaxy Watch 6 Classic worth the price? +

At $399, Galaxy Watch 6 Classic delivers a Specdex score of 85 — strongest in display.

Does Apple Watch Ultra 3 Aluminum 45mm or Galaxy Watch 6 Classic 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 display, Apple Watch Ultra 3 Aluminum 45mm or Galaxy Watch 6 Classic? +

Apple Watch Ultra 3 Aluminum 45mm — leads on display (95 vs 88). Compared on the display sub-score.

Which is better for durability, Apple Watch Ultra 3 Aluminum 45mm or Galaxy Watch 6 Classic? +

Apple Watch Ultra 3 Aluminum 45mm — leads on durability (96 vs 86). Compared on the durability sub-score.