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Apple Apple Watch Series 10 (46mm) vs Apple Apple Watch Series 4

Apple Apple Watch Series 10 (46mm) ($170) vs Apple Apple Watch Series 4 ($73) — side-by-side specs, weight, pros and cons to help you pick the right smartwatch.

Apple Apple Watch Series 10 (46mm)
Apple
Apple Watch Series 10 (46mm)
$170
Thinnest Case
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Apple Apple Watch Series 4
Apple
Apple Watch Series 4
$73
Check Price →
Spec-by-spec
SpecApple Apple Watch Series 10 (46mm)Apple Apple Watch Series 4
Price$170$73
Weight36.4g36.7g
ChipS10 SiPS4, 64-bit dual-core
Case46mm aluminium, GPS—
DisplayWide-angle OLED, always-on30% larger Retina OLED vs Series 3
Water50m, WR50—
Sizes42mm and 46mm—
Weight36.4g (Apple published)36.7g (Apple published, 44mm Aluminum)
Sensors—Electrical + optical heart sensor, ECG
Safety—Fall detection
WR—50m
Pros & Cons

Apple Apple Watch Series 10 (46mm)

  • Thinner and lighter than the Series 9
  • Wide-angle OLED is easier to read off-axis
  • Fast charging
  • No blood oxygen on units sold during the import ban period
  • Incremental over a Series 9
  • Battery is still about a day

Apple Apple Watch Series 4

  • First Apple Watch with an ECG sensor
  • Meaningfully larger display in the same case size class
  • Fall detection, a safety feature that debuted here
  • Digital Crown haptic feedback, still felt today
  • No always-on display
  • watchOS support window is closing
  • Speaker and mic are a generation behind current models
  • Battery health on a used unit is unverifiable before buying
Apple Apple Watch Series 4 is the better value at $73. If weight matters most, Apple Apple Watch Series 10 (46mm) carries lighter at 36.4g. Both are part of our curated smartwatch index — tap through to check current pricing.
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