Samsung Galaxy J7 2016 vs Samsung Galaxy A3 2016 Edition vs Samsung Galaxy A8 32GB

BASIC INFO
Model No Galaxy J7 2016 Galaxy A3 2016 edition -
Status Available Available. Released 2015, December Exp. release 2015, Q3
Release Date 2015, April 2015, December 2015, July
Dimension 151.7 x 76 x 7.8 mm (5.97 x 2.99 x 0.31 in) 134.5 x 65.2 x 7.3 mm (5.30 x 2.57 x 0.29 in) 158 x 76.8 x 5.9 mm (6.22 x 3.02 x 0.23 in)
Weight 170 g (6.00 oz) 132 g (4.66 oz) 151 g
Colors White, Black, Gold, Rose Gold Black, White, Gold, Pink Pearl White, Midnight Black, Champagne Gold
Body Metrial - - -
W & D Proof - - -
SIM Type Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by) Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) -
Technology GSM / HSPA / LTE GSM / HSPA / LTE -
OS Android OS, v6.0.1 (Marshmallow) Android OS, v5.1 Loolypop Android OS, v5.0.2 (Lollipop)
PROSESSING
Processor Octa-core (4x1.6 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Octa-core 1.6 GHz Cortex-A53
Quad-core 1.5 GHz Cortex-A53 Qualcomm Snapdragon 615 Quad core 1.5 GHz Cortex A53 and Quad core 1.0GHz Cortex A53 Octa core Proce
Chipset Qualcomm MSM8952 Snapdragon 617
Exynos 7870 Octa
Qualcomm MSM8916 Snapdragon 410 Exynos 7578 -
GPU Adreno 405
Mali-T830MP2
Adreno 306 Mali-T720MP2 -
MEMORY
RAM 2GB 1.5 GB -
Storage 16GB 16 GB -
Card Slot Up to 256 GB 16 GB Storage, 1.5GB RAM, microSD, up to 64 GB 32GB Storage, 2GB RAM, microSD, up to 64 GB
DISPLAY
Size 5.5 inches 4.7 inches 1080 x 1920 pixels 5.7 inches with 401 ppi pixel density
Type SUPER Amoled capacitive touchscreen, 16M colors Super AMOLED capacitive touchscreen, 16M colors Super Amoled capacitive touchscreen, 16M colors
Resolation Full HD 720 x 1280 pixels 720 x 1280 pixels -
PPI 267 ppi pixel density 312 ppi pixel density -
Multi touch Yes Yes -
Protection - Corning Gorilla Glass 4 -
CAMERA
Primary 13 MP 13 MP 16 MP Dual Lens, 3456 x 4608 pixels, optical image stabilization, autofocus, triple-LED flash, Geo-tagging, touch focus, face detection, panorama, HDR
Video 1080p@30fps, check quality Yes, 1080p@30fps Yes, 720p@30fps
Flash LED flash LED flash -
Features Geo-tagging, touch focus, face detection, panorama, HDR Geo-tagging, touch focus, face detection, panorama -
Selfie 5 MP, f/1.9, LED flash Yes 5 MP Yes 5 MP
BATTERY
Battery Li-Ion battery Li-Ion battery Non-removable Li-Ion 3050 mAh battery
Capacity 3300 mAh 2300 mAh -
Removable Yes Non-removable -
StandBy - - -
Talk Time Up to 23 h (3G) Up to 14 h (3G) -
Music Play Up to 96 h Up to 58 h -
Browsing HTML5 - -
Video Playback - - -
F Charging - - -
W Charging - - -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 - J710F, J710H HSDPA 850 / 900 / 1900 / 2100 - A310F, A310Y
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - A310M
HSDPA 850 / 900 / 1900 / 2100
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300) - J710F LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 40(2300) - A310F
LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 17(700), 28(700) - A310M (LTE Cat6)
LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 28(700), 38(
LTE 800 / 900 / 1800 / 2600
Speed HSPA, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps or LTE Cat6 300/50 Mbps -
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
BlueTooth v4.1, A2DP V4.0 with A2DP V4.0 with A2DP
USB microUSB v2.0 MicroUSB v2.0 MicroUSB v2.0
GPS Yes, with A-GPS, GLONASS/ BDS (region dependent) Yes, with A-GPS support and GLONASS Yes, with A-GPS support and GLONASS
NFC Yes Yes (LTE model only) -
Audio jeck Yes, 3.5 mm Yes, 3.5 mm -
OTHERS
Sensors Accelerometer, proximity Accelerometer, proximity, compass -
Radio FM radio, RDS, recording FM radio FM radio
SARUS 1.10 W/kg (head) 1.01 W/kg (body) - -
SAREU 0.35 W/kg (head) 1.39 W/kg (body) 0.49 W/kg (head) 0.62 W/kg (body) -
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