Samsung Gear S2 Classic vs Samsung Gear S2 Classic 3G vs Samsung Galaxy J7 2016

BASIC INFO
Model No Gear S2 Classic Gear S2 3G Galaxy J7 2016
Status Available Available Available
Release Date 2016, Fabruary Released 2016, April 2015, April
Dimension 44 x 46.9 x 13.4 mm (1.73 x 1.85 x 0.53 in) 44 x 46.9 x 13.4 mm (1.73 x 1.85 x 0.53 in) 151.7 x 76 x 7.8 mm (5.97 x 2.99 x 0.31 in)
Weight 54 g (1.90 oz) 54 g 170 g (6.00 oz)
Colors Jet Black, Mocha Gray, Wild Orange, Oatmeal Beige, Rose Gold, and Lime Green Dark Gray, Silver White, Black, Gold, Rose Gold
Body Metrial Stainless Steel Stainless Steel -
W & D Proof IP68 certified - dust/water proof over 1.5 meter and 30 minutes 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) Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)
Technology No cellular connectivity GSM/HSPA GSM / HSPA / LTE
OS Tizen-based wearable platform Tizen-based wearable platform Android OS, v6.0.1 (Marshmallow)
PROSESSING
Processor Dual core 1 GHz Cortex A7 Dual core 1 GHz Octa-core (4x1.6 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Octa-core 1.6 GHz Cortex-A53
Chipset Exynos 3250 Dual Exynos 3250 Dual Qualcomm MSM8952 Snapdragon 617
Exynos 7870 Octa
GPU Mali-400 MP2 Mali-400 MP2 Adreno 405
Mali-T830MP2
MEMORY
RAM 512 GB 512 MB 2GB
Storage 4 GB 4 GB 16GB
Card Slot - No Up to 256 GB
DISPLAY
Size 1.2 inch 1.2 inches, 4.6 cm2 (~22.5% screen-to-body ratio) 5.5 inches
Type Super AMOLED touchscreen, Super AMOLED capacitive touchscreen, 16M colors SUPER Amoled capacitive touchscreen, 16M colors
Resolation 360 x 360 Pixels 360 x 360 Pixels Full HD 720 x 1280 pixels
PPI 302ppi 424ppi 267 ppi pixel density
Multi touch Yes Yes Yes
Protection Corning Gorilla Glass 3 Corning Gorilla Glass 3 -
CAMERA
Primary No No 13 MP
Video - - 1080p@30fps, check quality
Flash - - LED flash
Features - - Geo-tagging, touch focus, face detection, panorama, HDR
Selfie - - 5 MP, f/1.9, LED flash
BATTERY
Battery Li-Ion battery Li-Ion battery Li-Ion battery
Capacity 250mah 300 mah 3300 mAh
Removable Non-Removable Non-Removable Yes
StandBy Upto 48 Hours Up to 48 h (mixed usage) (2G) / Up to 48 h (3G) -
Talk Time - - Up to 23 h (3G)
Music Play - - Up to 96 h
Browsing - - HTML5
Video Playback - - -
F Charging - - -
W Charging Yes Yes -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA HSDPA HSDPA 850 / 900 / 1900 / 2100 - J710F, J710H
4G Network - - LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300) - J710F
Speed - - HSPA, LTE Cat4 150/50 Mbps
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 a/b/g/n/ Wi-Fi 802.11 a/b/g/n/ Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
BlueTooth Bluetooth 4.1 4.1, A2DP, LE v4.1, A2DP
USB microUSB v2.0 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 Yes, with A-GPS, GLONASS/ BDS (region dependent)
NFC - Yes Yes
Audio jeck - - Yes, 3.5 mm
OTHERS
Sensors Accelerometer, gyro, heart rate, barometer Accelerometer, gyro, heart rate, barometer Accelerometer, proximity
Radio - - FM radio, RDS, recording
SARUS - - 1.10 W/kg (head) 1.01 W/kg (body)
SAREU - - 0.35 W/kg (head) 1.39 W/kg (body)
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