Apple Watch Series 4 vs Apple Watch Series 2
Dashed outline = score at launch
Why Apple Watch Series 4 is better
- Screen Size: 40mm / 44mm vs 1.5 in(29.3× more)
- Resolution: 368 x 448 vs 390 x 312(3.0× more)
Why Apple Watch Series 2 is better
No standout numeric advantages.
Verdict
Apple Watch Series 4 leads outright in 6 of 6 dimensions today.
Spec by spec
| Spec | Apple Watch Series 4 | Apple Watch Series 2 |
|---|---|---|
| Display | ||
| Screen Size | 40mm / 44mm● | 1.5 in |
| Resolution | 368 x 448● | 390 x 312 |
| Always-On Display | No | No |
| Battery & Charging | ||
| Battery Life | 18 hours | 18 hrs |
| Charging | Magnetic fast charging | Magnetic inductive |
| Health & Sensors | ||
| ECG | Yes | — |
| Blood Oxygen (SpO2) | No | — |
| Built-in GPS | Yes | Yes |
| Build & Connectivity | ||
| Water Resistance | 50m | 50 m |
| Case Material | Aluminum / Stainless Steel / Titanium | Aluminum/Stainless Steel/Ceramic |
| Cellular Option | Yes | — |
| Battery | ||
| Battery Life | 18 hours | 18 hrs |
| Charging | Magnetic fast charging | Magnetic inductive |
| Health & Fitness | ||
| Heart Rate Sensor | — | Optical HR only |
| Built-in GPS | Yes | Yes |
| Water Resistance | 50m | 50 m |
| Design | ||
| Weight | — | 34 g |
| Case Material | Aluminum / Stainless Steel / Titanium | Aluminum/Stainless Steel/Ceramic |