Apple Apple Watch Series 9 (45mm) vs Apple Apple Watch Series 6
Apple Apple Watch Series 9 (45mm) ($124) vs Apple Apple Watch Series 6 ($83) — side-by-side specs, weight, pros and cons to help you pick the right smartwatch.
Spec-by-spec
| Spec | Apple Apple Watch Series 9 (45mm) | Apple Apple Watch Series 6 |
| Price | $124 | $83 |
| Weight | 38.7g | 36.5g |
| Chip | S9 SiP | S6, 64-bit dual-core |
| Case | 45mm aluminium, GPS | — |
| Display | 2000 nit always-on Retina | Always-on Retina OLED |
| Water | 50m, WR50 | — |
| Sizes | 41mm and 45mm | — |
| Weight | 38.7g (Apple published) | 36.5g (Apple published, 44mm Aluminum) |
| Sensors | — | Blood oxygen (SpO2) + ECG + heart rate |
| Charging | — | 20% faster than Series 5 |
| WR | — | 50m |
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 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 Series 6 is the better value at $83. Both are part of our curated smartwatch index — tap through to check current pricing.