Samsung Gear S2 vs Samsung Galaxy Gear 2 vs Samsung Gear S2 Classic 3G

BASIC INFO
Model No - - Gear S2 3G
Status release 2015, September - Available
Release Date 2015, August - Released 2016, April
Dimension 49.8 x 42.3 x 11.4 mm (1.96 x 1.67 x 0.45 in) - 44 x 46.9 x 13.4 mm (1.73 x 1.85 x 0.53 in)
Weight 47g - 54 g
Colors Jet Black, Mocha Gray, Wild Orange, Oatmeal Beige, Rose Gold, and Lime Green Jet Black, Mocha Gray, Wild Orange, Oatmeal Beige, Rose Gold, and Lime Green Dark Gray, Silver
Body Metrial Stainless Steel - Stainless Steel
W & D Proof Yes - IP68 certified - dust/water proof over 1.5 meter and 30 minutes - Compatible with standard 20mm straps
SIM Type No - Electronic SIM card (e-SIM)
Technology - - GSM/HSPA
OS Tizen operating system. Android OS, v4.3 (Jelly Bean) Tizen-based wearable platform
PROSESSING
Processor Dual core 1 GHz Cortex-A7 Dual-core 1 GHz Dual core 1 GHz
Chipset Exynos 3250 Dual - Exynos 3250 Dual
GPU Mali-400MP2 - Mali-400 MP2
MEMORY
RAM 512 MB - 512 MB
Storage 4 GB - 4 GB
Card Slot - 4 GB on board storage, 512 MB RAM No
DISPLAY
Size 1.2 inch 1.63 inch 320�320 display 277 PPI 1.2 inches, 4.6 cm2 (~22.5% screen-to-body ratio)
Type Super AMOLED capacitive touchscreen, 16M colors Super AMOLED touchscreen, Super AMOLED capacitive touchscreen, 16M colors
Resolation 360 x 360 Pixels - 360 x 360 Pixels
PPI 302 ppi - 424ppi
Multi touch Yes - Yes
Protection Corning Gorilla Glass 3 - Corning Gorilla Glass 3
CAMERA
Primary - 2 megapixel camera located in the watch band No
Video - - -
Flash - - -
Features - - -
Selfie - - -
BATTERY
Battery 250 mAh battery 400 mAh battery Li-Ion battery
Capacity - - 300 mah
Removable - - Non-Removable
StandBy - - Up to 48 h (mixed usage) (2G) / Up to 48 h (3G)
Talk Time - - -
Music Play - - -
Browsing - - -
Video Playback - - -
F Charging - - -
W Charging - - Yes
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 - GSM 850 / 900 / 1800 / 1900
3G Network HSDPA - HSDPA
4G Network - - -
Speed - - -
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 a/b/g/n/ - Wi-Fi 802.11 a/b/g/n/
BlueTooth Bluetooth 4.1 Bluetooth 4.0 4.1, A2DP, LE
USB microUSB v2.0 - microUSB v2.0
GPS Yes, with A-GPS and S GPS support and GLONASS - Yes, with A-GPS and S GPS support and GLONASS
NFC - - Yes
Audio jeck - - -
OTHERS
Sensors - - Accelerometer, gyro, heart rate, barometer
Radio - - -
SARUS - - -
SAREU - - -
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