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Compare Apple Watch Series 5 40mm vs Apple Watch Series 5 44mm vs Apple Watch Series 4 40mm vs Apple Watch Series 4 cellular 40mm vs Apple Watch Series 3 cellular
Compare Apple Watch Series 5 40mm vs Apple Watch Series 5 44mm vs Apple Watch Series 4 40mm vs Apple Watch Series 4 cellular 40mm vs Apple Watch Series 3 cellular
Link | Apple Watch Series 5 40mm | Apple Watch Series 5 44mm | Apple Watch Series 4 40mm | Apple Watch Series 4 cellular 40mm | Apple Watch Series 3 cellular |
|---|---|---|---|---|---|
| Image |  |  | |||
| Dimensions | |||||
| Screen resolution | 324x394 | 368x448 | 324x394 | 324x394 | 340x272 |
| Always on display | Yes | Yes | No | No | No |
| Features | |||||
| Built-in memory | 32 GB | 32 GB | 16 GB | 16 GB | 16 GB |
| Processor | Apple S5 dual core | Apple S5 dual core | Apple S4 dual core | Apple S4 dual core | |
| Compatibility | iPhone 6s or later | ||||
| Operating System | watchOS 6 | watchOS 6 or later | watchOS 5 | watchOS 5 | watchOS 4 |
| Built-in microphone | Yes | Yes | Yes | Yes | Yes |
| Sensors | |||||
| Heart rate sensor | Yes Optical, Electrical | Yes 2nd Gen Optical, Electrical (ECG) | Yes Optical, Electrical | Yes Optical, Electrical | Yes |
| Connectivity | |||||
| Battery | |||||
| Battery life | 18 h | 18 h | 18 h | 18 h | 1 day |
| Design | |||||
| Interchangeable straps | Yes | Yes | Yes | Yes | Yes |
| Input method | Digital crown, Multi-Touch, Force Touch, Microphone, Siri, connected iPhone | Digital crown, Multi-Touch, Force Touch, Microphone, Siri, connected iPhone | Digital crown, Multi-Touch, Force Touch, Microphone, Siri, connected iPhone | Digital crown, Multi-Touch, Force Touch, Microphone, Siri, connected iPhone | |
| Heart rhythm irregularity sensor EKG | ✅ | ✅ | ✅ | ✅ | ❌ |
| Fall detector, contacts emergency services and gives them a recorded message of the location after a fall and one mins inactivity. | ✅ | ✅ | ✅ | ✅ | ❌ |
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