Apple Apple Watch Series 4 vs Apple Apple Watch Ultra 4
Apple Apple Watch Series 4 ($73) vs Apple Apple Watch Ultra 4 ($799) — side-by-side specs, weight, pros and cons to help you pick the right smartwatch.
Spec-by-spec
| Spec | Apple Apple Watch Series 4 | Apple Apple Watch Ultra 4 |
| Price | $73 | $799 |
| Weight | 36.7g | 63g |
| Chip | S4, 64-bit dual-core | S11 |
| Display | 30% larger Retina OLED vs Series 3 | — |
| Sensors | Electrical + optical heart sensor, ECG | — |
| Safety | Fall detection | — |
| WR | 50m | — |
| Weight | 36.7g (Apple published, 44mm Aluminum) | ~63g (sources vary 61.6 to 63.1g) |
| Case | — | 49mm Titanium (Natural or Black) |
| Battery | — | 50h / 84h Low Power |
| GPS | — | Dual-frequency L1+L5 |
| Water | — | 100m, EN13319 dive rated |
Pros & Cons
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 Ultra 4
- 50 hour battery, up from 42 on Ultra 3
- Natural and Black Titanium
- Dual-frequency GPS and 100m dive rating
- Programmable Action button
- $799
- iPhone only
- Same 49mm case as Ultra 3
Apple Apple Watch Series 4 is the better value at $73. Both are part of our curated smartwatch index — tap through to check current pricing.