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Apple Apple Watch Series 9 (45mm) vs Apple Apple Watch Series 7 (45mm)

Apple Apple Watch Series 9 (45mm) ($124) vs Apple Apple Watch Series 7 (45mm) ($91) — side-by-side specs, weight, pros and cons to help you pick the right smartwatch.

Apple Apple Watch Series 9 (45mm)
Apple
Apple Watch Series 9 (45mm)
$124
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Apple Apple Watch Series 7 (45mm)
Apple
Apple Watch Series 7 (45mm)
$91
Check Price →
Spec-by-spec
SpecApple Apple Watch Series 9 (45mm)Apple Apple Watch Series 7 (45mm)
Price$124$91
Weight38.7g38.8g
ChipS9 SiPS7 SiP
Case45mm aluminium, GPS45mm aluminium, GPS
Display2000 nit always-on RetinaAlways-on Retina, larger than Series 6
Water50m, WR5050m, WR50
Sizes41mm and 45mm
Weight38.7g (Apple published)38.8g (Apple published)
DurabilityIP6X dust resistant
Pros & Cons

Apple Apple Watch Series 9 (45mm)

  • Double Tap works one-handed
  • 2000 nit display is genuinely bright outdoors
  • On-device Siri
  • Same case design as the Series 7 and 8
  • Battery still about 18 hours
  • Blood oxygen disabled on some US units

Apple Apple Watch Series 7 (45mm)

  • Bigger display than the Series 6 in a similar footprint
  • IP6X dust resistance
  • The cheapest always-on Apple Watch worth buying
  • No temperature sensor
  • Older S7 chip feels slower on modern watchOS
  • Will drop off watchOS support before the others here
Apple Apple Watch Series 7 (45mm) is the better value at $91. If weight matters most, Apple Apple Watch Series 9 (45mm) carries lighter at 38.7g. Both are part of our curated smartwatch index — tap through to check current pricing.
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