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Apple Apple Watch Series 6 vs Apple Apple Watch Ultra 4
Apple Apple Watch Series 6 ($83) 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 6 | Apple Apple Watch Ultra 4 |
|---|---|---|
| Price | $83 | $799 |
| Weight | 36.5g | 63g |
| Chip | S6, 64-bit dual-core | S11 |
| Sensors | Blood oxygen (SpO2) + ECG + heart rate | — |
| Display | Always-on Retina OLED | — |
| Charging | 20% faster than Series 5 | — |
| WR | 50m | — |
| Weight | 36.5g (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 6
- Blood oxygen sensor, a meaningful addition over Series 5
- Faster S6 chip, noticeably snappier in daily use
- Faster charging than any earlier Series watch
- Always-on display carried over from Series 5
- Blood oxygen readings are wellness-only, not medical grade
- watchOS support window is closing
- Aluminum case shows wear more than steel or titanium on a used unit
- No always-on altimeter, that came later with Ultra
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 6 is the better value at $83. Both are part of our curated smartwatch index — tap through to check current pricing.
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