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Apple Apple Watch Ultra 3 vs Apple Apple Watch Series 8 (45mm)

Apple Apple Watch Ultra 3 ($799) vs Apple Apple Watch Series 8 (45mm) ($102) — side-by-side specs, weight, pros and cons to help you pick the right smartwatch.

Apple Apple Watch Ultra 3
Apple
Apple Watch Ultra 3
$799
Best Smartwatch
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Apple Apple Watch Series 8 (45mm)
Apple
Apple Watch Series 8 (45mm)
$102
Check Price →
Spec-by-spec
SpecApple Apple Watch Ultra 3Apple Apple Watch Series 8 (45mm)
Price$799$102
Weight61g38.8g
Case49mm Titanium45mm aluminium, GPS
Battery36h / 72h low power
GPSDual-frequency L1+L5
WR100m
DisplayAlways-on LTPO1000 nit always-on Retina
ChipS10S8 SiP
Water50m, WR50
SensorsTemperature, ECG, blood oxygen
Weight38.8g (Apple published)
Pros & Cons

Apple Apple Watch Ultra 3

  • 36h battery life
  • Dual-frequency precision GPS
  • Satellite SOS emergency
  • Rugged titanium case
  • Best Apple Watch ever made
  • $799 very expensive
  • iPhone-only ecosystem
  • Large 49mm case size

Apple Apple Watch Series 8 (45mm)

  • Full sensor suite including ECG and temperature
  • Crash Detection
  • Cheap for a watch with this much hardware
  • 1000 nits looks dim next to a Series 9
  • Same 18 hour battery
  • Design is three generations old
Apple Apple Watch Series 8 (45mm) is the better value at $102. Both are part of our curated smartwatch index — tap through to check current pricing.
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