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)
$170
Thinnest Case
Check Price →
Spec-by-spec
| Spec | Apple Apple Watch Series 10 (46mm) | Apple Apple Watch Series 4 |
| Price | $170 | $73 |
| Weight | 36.4g | 36.7g |
| Chip | S10 SiP | S4, 64-bit dual-core |
| Case | 46mm aluminium, GPS | — |
| Display | Wide-angle OLED, always-on | 30% larger Retina OLED vs Series 3 |
| Water | 50m, WR50 | — |
| Sizes | 42mm and 46mm | — |
| Weight | 36.4g (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.