Apple Watch Ultra 3 vs Apple Watch Series 7 GPS comparison
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| key specs |
| Display Size | 49mm | 41mm |
| Compatible OS | iOS 26 | - |
| Dial Shape | Square | Rectangle |
| Display Type | OLED Retina | OLED Retina |
| Ideal For | Unisex | Unisex |
| general |
| Brand | Apple | Apple |
| Model | Watch Ultra 3 | Watch Series 7 GPS |
| Release date | September 9, 2025 | September 14, 2021 |
| Model Name | Watch Ultra 3 | Watch Series 7 GPS |
| Dial Colour | Natural, Black | Silver, Grey, Gold, Blue, PRODUCT RED |
| Dial Shape | Square | Rectangle |
| Size | Large | Regular |
| Touchscreen | Yes | Yes |
| Interchangeable Strap | Yes | - |
| Water Resistant | WR100 | Yes |
| Water Resistance Depth | 100 | 50m |
| Dial Material | Titanium | - |
| Ideal For | Unisex | Unisex |
| Usage | - | Fitness & Outdoor |
| dimensions |
| Width | 44 | - |
| Height | 49 | - |
| Thickness | 12 | - |
| Weight (g) | 61.60 | - |
| product details |
| Compatible Device | iPhone 11 and above | - |
| Battery Life | Up to 24 hours | - |
| Charger Type | Wireless | - |
| Sensor | - | Compass, Always-On Altimeter, third-gen optical heart rate sensor, Accelerometer, Gyroscope, and Ambient light sensor |
| Notification | - | Yes |
| Battery Type | - | Lithium Ion |
| Rechargeable Battery | - | Yes |
| connectivity features |
| Call Function | Yes | - |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.3 | - |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| Messaging Support | Yes | - |
| Other Connectivity Features | Satellite Emergency SoS | - |
| platform and storage features |
| Operating System | watchOS 26 | watchOS 8 |
| Compatible Operating System | iOS 26 | - |
| Processor Name | Apple S11 | - |
| Internal Memory | 64GB | - |
| camera and display features |
| Display Size | 49mm | 41mm |
| Display Type | OLED Retina | OLED Retina |
| Other Display Features | Always-On Display | LTPO OLED Always-On Retina display |
| Backlight Display | - | Yes |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Compass | Yes | Yes |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Number of Buttons | 3 | - |
| Altimeter | - | Yes |
| Language | - | English |
| Other Fitness Features | - | Blood Oxgen Sensor, ECG sensor |
| audio and video features |
| Speaker | Yes | Yes |
| Gesture Control | Yes | - |
| Microphone | Yes | Yes |
| Voice Control | Yes | - |
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