Apple Apple Watch Ultra 3 vs Apple Apple Watch Series 8 (45mm)
Apple Apple Watch Ultra 3 ($799) vs Apple Apple Watch Series 8 (45mm) ($102) — side-by-side specs, weight, pros and cons to help you pick the right smartwatch.
Spec-by-spec
| Spec | Apple Apple Watch Ultra 3 | Apple Apple Watch Series 8 (45mm) |
| Price | $799 | $102 |
| Weight | 61g | 38.8g |
| Case | 49mm Titanium | 45mm aluminium, GPS |
| Battery | 36h / 72h low power | — |
| GPS | Dual-frequency L1+L5 | — |
| WR | 100m | — |
| Display | Always-on LTPO | 1000 nit always-on Retina |
| Chip | S10 | S8 SiP |
| Water | — | 50m, WR50 |
| Sensors | — | Temperature, ECG, blood oxygen |
| Weight | — | 38.8g (Apple published) |
Pros & Cons
Apple Apple Watch Ultra 3
- 36h battery life
- Dual-frequency precision GPS
- Satellite SOS emergency
- Rugged titanium case
- Best Apple Watch ever made
- $799 very expensive
- iPhone-only ecosystem
- Large 49mm case size
Apple Apple Watch Series 8 (45mm)
- Full sensor suite including ECG and temperature
- Crash Detection
- Cheap for a watch with this much hardware
- 1000 nits looks dim next to a Series 9
- Same 18 hour battery
- Design is three generations old
Apple Apple Watch Series 8 (45mm) is the better value at $102. Both are part of our curated smartwatch index — tap through to check current pricing.