Apple Watch 1st Gen 38mm
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Apple Watch Series 4 40mm Stainless Steel
Product comparison
-VS-
Device Information |
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| Silver, Space Grey, Gold, Rose Gold | Colours | Silver, Space Black, Gold |
| 8 GB | Storage | 16 GB |
| 0.50 GB | Memory | 1.00 GB |
| Watch OS | Operating System | Watch OS |
| 349 $ / 399 € | Price from | 699 $ / 729 € |
| Q2/2015 | Release Date | Q3/2018 |
Dimensions / Housing |
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| Rectangular | Display form | Rectangular |
| 38.6 mm | Height | 40.0 mm |
| 33.3 mm | Width | 34.0 mm |
| 10.5 mm | Depth | 10.7 mm |
| 25 g | Weight | 40 g |
| Aluminum | Housing Material | Stainless Steel |
| Waterproof 50m | Water Resistance | Waterproof 50m |
| -- | MIL Standard | -- |
Processor |
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| Apple S1 | Name | Apple S4 |
| Apple | Manufacturer | Apple |
| 1 / 1 | Cores / Threads | 2 / 2 |
| 0.52 (0.52) GHz | Frequency | 1.59 (1.59) GHz |
| 28 nm | Structure | 7 nm |
| S1 | Architecture | S4 |
| Q2/2015 | Release Date | Q3/2018 |
Screen |
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| 1.3 inch | Size | 1.6 inch |
| OLED | Technology | OLED |
| Glass (Ion-X) | Glas Type | Sapphire Glass |
| 272x340 (326 ppi) | Resolution | 324x394 (326 ppi) |
| 450 nits | Brightness | 1000 nits |
| No | Always On Display | Yes |
Battery |
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| Rechargeable Battery | Type | Rechargeable Battery |
| 205.00 Wh | Capacity | 225.00 Wh |
| No | Solar module | No |
| 24.00 h | Battery Life | 18.00 h |
| Magnetic Charging | Charging | Magnetic Charging |
Connectivity |
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| 802.11n (Wi-Fi 4) | Wireless LAN | 802.11n (Wi-Fi 4) |
| Bluetooth 4.0 | Bluetooth | Bluetooth 5.0 |
| -- | SIM card | eSIM |
| -- | Cellular | 4G (LTE) |
| Yes | NFC | Yes |
| No | ANT+ | No |
| No | UWB | No |
| -- | Ports | -- |
Sensors |
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| Yes | Acceleration | Yes |
| No | Barometer | Yes |
| No | Thermometer | No |
| Yes | Gyroscope | Yes |
| Yes | GPS | Yes |
| No | Compass | No |
Measurement Functions |
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| Yes | Hear Rate | Yes |
| No | ECG | No |
| No | Blood Pressure | No |
| No | Blood Oxygen | No |
| No | Skin Temperature | No |
Manufacturer |
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| A1553 | Part-no | A1975, A2007 |
| Link to manufacturer | Datasheet | Link to manufacturer |
Apple S1, 0.50 GB GB
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Apple S4, 1.00 GB GB
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