| key specs | 
| Strap Colour | Black | Black | 
| Display Size | 30mm | 46mm | 
| Strap Material | Leather | Silicone | 
| Dial Shape | Round | Rectangle | 
| Display Type | Super AMOLED | Super AMOLED | 
| Ideal For | Unisex | Unisex | 
| Compatible OS | - | Android 4.3 | 
| general | 
| Brand | Samsung | Samsung | 
| Model | Gear S2 Classic Smartwatch | Gear Fit Smartwatch | 
| Model Name | Gear S2 Classic | Gear Fit | 
| Dial Shape | Round | Rectangle | 
| Strap Material | Leather | Silicone | 
| Size | Regular | Regular | 
| Touchscreen | Yes | Yes | 
| Water Resistant | Yes | Yes | 
| Usage | Notifier | Notifier | 
| Dial Material | Stainless Steel | - | 
| Ideal For | Unisex | Unisex | 
| Strap Colour | Black | Black | 
| Dial Colour | Black | Multicolor | 
| Model Number | - | SM-R3500ZKAXAR/SM-R3500ZKAINU | 
| dimensions | 
| Width | 43.6 | 57.4 | 
| Height | 39.9 | 23.4 | 
| Thickness | 11.4 mm | 11.94 mm | 
| Weight (g) | 42.00 | 27.00 | 
| product details | 
| Sensor | Accelerometer, Gyro, Heart Rate, Barometer | Heart Rate Sensor (Ppg), Accelerometer, Gyro Sensor | 
| Compatible Device | 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 | Samsung Galaxy Smartphones And Tablets (Android V4.3 Jelly Bean Or Higher, Wvga Or Higher Screen Resolution, 1.0 Gb Or Higher Memory) | 
| 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 | Battery Capacity: 210 Mah, Bluetooth Profiles: Spp, Gatt, Dust-Proof And Water Resistance: Ip67, S Health, Form Factor: Wearable | 
| Battery Type | - | Lithium Ion | 
| connectivity features | 
| Call Function | Yes | Yes | 
| Bluetooth | Yes | Yes | 
| Bluetooth Version | v4.1 | v4.0 | 
| Wi-Fi | Yes | - | 
| Messaging Support | Yes | - | 
| Email Support | - | Yes | 
| Call Features | - | Make, Receive and Reject Calls | 
| platform and storage features | 
| Operating System | Tizen | - | 
| RAM | 512 MB | - | 
| Processor Name | Exynos 3250 | - | 
| Internal Memory | 4 GB | - | 
| Compatible Operating System | - | Android 4.3 | 
| Processor Speed | - | 160 MHz | 
| camera and display features | 
| Display Resolution | 360 x 360 pixels | 128 x 432 pixels | 
| Display Size | 30mm | 46mm | 
| Display Type | Super AMOLED | Super AMOLED | 
| Other Display Features | - | Dismiss Calls And Alarms With A Simple Tap | 
| fitness and watch functions | 
| Step Count | Yes | - | 
| Calorie Count | Yes | - | 
| Heart Rate Monitor | Yes | Yes | 
| Calendar | Yes | - | 
| Alarm Clock | Yes | Yes | 
| Date & Time Display | Yes | - | 
| Other Fitness Features | S Health - 24 Hrs Activity Tracker: Heart Rate Monitor, Exercise Tracker, Caffiene / Water Intake Tracker | - | 
| Other Watch Functions | - | Pedometer, Exercise, Sleep, Heart Rate, Notifications, Media Controller, Timer, Stopwatch, Find My Device |