| key specs |
| Strap Material | Silicone | Leather |
| Dial Shape | Round | Round |
| Strap Colour | - | Black |
| Display Size | - | 30mm |
| Display Type | - | Super AMOLED |
| Ideal For | - | Unisex |
| general |
| Brand | Huami | Samsung |
| Model | Amazfit Stratos 3 | Gear S2 Classic Smartwatch |
| Release date | August 27, 2019 | - |
| Model Name | Stratos 3 | Gear S2 Classic |
| Dial Shape | Round | Round |
| Strap Material | Silicone | Leather |
| Touchscreen | Yes | Yes |
| Water Resistant | 5ATM | Yes |
| Water Resistance Depth | 50 Meters | - |
| Usage | For Sports | Notifier |
| Dial Material | Stainless Steel | Stainless Steel |
| Size | - | Regular |
| Ideal For | - | Unisex |
| Strap Colour | - | Black |
| Dial Colour | - | Black |
| dimensions |
| Thickness | 13.4 mm | 11.4 mm |
| Diameter | 48.6mm | - |
| Weight (g) | 40.40 | 42.00 |
| Width | - | 43.6 |
| Height | - | 39.9 |
| product details |
| Sensor | BioTracker PPG Bio-Tracking optical sensor, 6-axis acceleration sensor, 3-axis geomagnetic sensor, Air pressure sensor | Accelerometer, Gyro, Heart Rate, Barometer |
| Compatible Device | Android 5.0 or iOS 10.0 and above | Gear S2 Pairs With Samsung Smartphones Running On Android 4.3 Or Above, And At Least 1.5 Gb Of Ram/ Gear S2 Pairs With Non-Samsung Smartphones Running On Android 4.4 Or Above, And At Least 1.5 Gb Of Ram |
| Notification | Yes | - |
| Notification Type | Calls, Messages, App Alerts | - |
| Battery Type | Lithium-ion polymer battery | - |
| Battery Life | 7 days in smart mode | - |
| Charge Time | 2.5 hours | - |
| Rechargeable Battery | - | Yes |
| Other Features | - | Messages, Ultra Power Saving Mode, S Health, Running, Settings, Schedule, Weather, Alarm, Music Player, Gallery, Buddy, Email, Find My Phone, Voice Memo, Stopwatch, Timer |
| connectivity features |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.0 | v4.1 |
| Wi-Fi | Yes | Yes |
| GPS | Yes | - |
| Call Function | - | Yes |
| Messaging Support | - | Yes |
| platform and storage features |
| Operating System | Amazfit OS | Tizen |
| Number of Cores | dual-core | - |
| RAM | 512MB | 512 MB |
| Processor Speed | 1200 | - |
| Internal Memory | 2GB | 4 GB |
| Processor Name | - | Exynos 3250 |
| camera and display features |
| Display Resolution | 320x320 | 360 x 360 pixels |
| Display Size | - | 30mm |
| Display Type | - | Super AMOLED |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Number of Buttons | 4 | - |
| Other Fitness Features | 80 Sports Modes | S Health - 24 Hrs Activity Tracker: Heart Rate Monitor, Exercise Tracker, Caffiene / Water Intake Tracker |
| Calendar | - | Yes |
| Date & Time Display | - | Yes |
| audio and video features |
| Audio Features | Standalone Music Playback | - |