Compare Apple Watch Series 9 45mm
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 |  |  |  |  |  |  |
|---|---|---|---|---|---|---|
| Dimensions: | 45 x 38 x 10.7 mm | 45 x 38 x 10.7 mm | not yet known | 44 x 38 x 10.74 mm | 44 x 38 x 10.4 mm | 40 x 34 x 10.7 mm |
| Weight: | not yet known | 38.8 grams | not yet known | 36.7 grams | 36.5 grams | 30.1 grams |
| Stand-by: | depends on usage | depends on usage | depends on usage | depends on usage | depends on usage | 0.8 days |
| Talk time: | depends on usage | depends on usage | depends on usage | depends on usage | depends on usage | depends on usage |
| Announced: | 12 september 2023 | 7 september 2022 | - | 10 september 2019 | 15 september 2020 | 12 september 2018 |
Design type | ||||||
| Watch: | ||||||
Controls | ||||||
| Directional key: | ||||||
| Hand gestures: | ||||||
| Touchscreen: | Force Touch, capacitive | Force Touch, capacitive | Force Touch, capacitive | Force Touch, capacitive | Capacitive | |
| Voice command: | ||||||
Operating system | ||||||
| watchOS: | 10 | 9 | 6 | 7 | 4.0 | |
Display | ||||||
| Color display: | Adjustable display brightness, 16.777.216 colors (24 bits), OLED, Always On feature | Adjustable display brightness, 16.777.216 colors (24 bits), OLED, Always On feature | Adjustable display brightness, 16.777.216 colors (24 bits), OLED | Adjustable display brightness, 16.777.216 colors (24 bits), OLED, Always On feature | Adjustable display brightness, 16.777.216 colors (24 bits), OLED | |
| Peak brightness: | 2000 nits | 1000 nits | 1000 nits | |||
| Resolution: | 396 x 484 pixels | 396 x 484 pixels | 272 x 340 pixels + 312 x 390 pixels | 368 x 448 pixels | 272 x 340 pixels | |
| Size: | 1.9 inch | 1.9 inch | 1.34 inch + 1.65 inch | 1.78 inch | 1.34 inch | |
| Aspect ratio: | 11:9 | 11:9 | 5:4 | 5:4 | ||
| Pixels Per Inch (PPI): | 329 | 329 | 373 | 326 | 325 | |
| Screen-to-body ratio: | 66.8% | 66.8% | 33.8% | 60% | 41.6% | |
Hardware | ||||||
| Processor: | Apple S9, Dual Core | Apple S8, Dual Core | Apple S5 | Apple S6, Dual Core | Apple S4, Dual Core | |
Materials | ||||||
| Aluminium: | ||||||
| Dust and waterproof: | IPX6, 5 ATM | IPX6, 5 ATM | IPX7 | IPX7 | IPX7 | |
| Sapphire Crystal: | ||||||
| Stainless Steel: | ||||||
| Sustainable: | Carbon neutral | |||||
Telephony | ||||||
| Integrated handsfree speaker: | ||||||
| Vibrating alert: | ||||||
Personal Information | ||||||
| Alarm clock: | ||||||
| Date and time notation: | ||||||
| Reminder list: | ||||||
| Stopwatch & countdown timer: | ||||||
Available applications | ||||||
| Pedometer: | ||||||
| Photo album: | ||||||
Navigation | ||||||
| Build-in navigation system: | Apple Maps | Apple Maps | Apple Maps | Apple Maps | Apple Maps | |
| Digital Compass: | ||||||
| Galileo: | ||||||
| GLONASS: | ||||||
| GPS receiver: | ||||||
| Quasi-Zenith (QZSS).: | ||||||
Audio | ||||||
| Built-in speakers: | ||||||
| Microphone: | ||||||
Build-in memory | ||||||
| Internal memory: | ||||||
| Storage: | 64 GB | 32 GB | 16 GB | 32 GB | 16 GB | |
| Size (RAM): | 512 MB | 512 MB | ||||
Connectivity | ||||||
| Bluetooth: | v5.0 | v5.0 | v5.0 | v5.0 | v5.0 | |
| NFC: | ||||||
| Synchronisation: | ||||||
| Ultra-wideband (UWB): | ||||||
| Wireless Lan (WLAN/Wi-Fi): | Wi-Fi 4 (802.11n) | Wi-Fi 4 (802.11n) | Wi-Fi 4 (802.11n) | Wi-Fi 4 (802.11n) | Wi-Fi 4 (802.11n) | |
Power supply | ||||||
| Battery: | Li-ion | Li-ion | Li-ion | Li-ion | Li-ion | |
| Capacity: | 308 mAh | 308 mAh | 273 mAh | 273 mAh | 273 mAh | |
| Fast charging: | 20 Watt | |||||
| Wireless charging: | ||||||
Sensors | ||||||
| Altimeter: | ||||||
| Ambient light sensor: | ||||||
| Barometer: | ||||||
| Gesture recognition: | ||||||
| Gyroscope: | ||||||
| Heart rate monitor: | ||||||
| Oxygen saturation (SpO2): | ||||||
Compatibility | ||||||
| With iOS: | From 17 | From 16 | 8.3+ | 8.3+ | 8.3+ | |
