Samsung Galaxy A3 Dual SIM vs Samsung Galaxy J1 SM-J100 vs Samsung Galaxy S7 Mini

BASIC INFO
Model No Galaxy A3 Dual SIM - Galaxy S7 Mini
Status Available. Available, Release in 2015, Q1 Availbale
Release Date 2014, October 2014, December 2016, Q2
Dimension 130.1 x 65.5 x 6.9 mm (5.12 x 2.58 x 0.27 in) 129 x 68 x 8.9 mm 9.9mm thikness
Weight 110.3 g (3.88 oz) 123 g -
Colors Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light Blue, Champagne Gold White, Black Black, White
Body Metrial - - Matel Body
W & D Proof - - IP68 certified - dust proof and water resistant over 1.5 meter and 30 minutes
SIM Type Dual SIM (Nano-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, v4.4.4 (KitKat), upgradable to v5.0.2 (Lollipop) Android OS, v4.4.2 (KitKat) Android OS, v6.0 marshmallow
PROSESSING
Processor Quad-core 1.2 GHz Cortex-A53 Quad-core 1.2 GHz Cortex-A7 Dual-core 2.15 GHz Kryo & dual-core 1.6 GHz Kryo
Chipset Qualcomm MSM8916 Snapdragon 410 - Qualcomm MSM8996 Snapdragon 820
GPU Adreno 306 - Adreno 530
MEMORY
RAM 1GB - 3 GB
Storage 4GB - 16/32GB
Card Slot up to 64 GB (dedicated slot) 4 GB, 1 GB RAM, microSD, up to 64 GB up to 128 GB
DISPLAY
Size 4.5 inches 480 x 800 pixels, 4.3 inches 4.6 inches
Type Super AMOLED capacitive touchscreen, 16M colors TFT LCD capacitive touchscreen, 16M colors Super AMOLED capacitive touchscreen, 16M colors
Resolation 540 x 960 pixels - 1080 x 1920 pixels
PPI 245 ppi pixel density - 479
Multi touch Yes - Yes
Protection Corning Gorilla Glass 4 - Corning Gorilla Glass 4,
CAMERA
Primary 8 MP, f/2.4, 31mm, autofocus 5 MP, 2592 x 1944 pixels, autofocus, LED flash 12 Mega pixels
Video 1080p@30fps Yes, 720p@30fps 1080p@60fps, 720p@120fps, HDR, dual-video rec.
Flash Led flash - LED flash
Features Geo-tagging, touch focus, face detection, panorama - optical image stabilization, autofocus 1 sensor size, geo-tagging, touch focus, face/smile detection
Selfie 5 MP, f/2.2, 23mm Yes 2 MP 5 MP, 1080p@30fps, dual video call
BATTERY
Battery Li-Ion Li-Ion 1850 mAh battery Li-Ion battery
Capacity 1900 mAh - 2650 mAh
Removable Non-removable - No
StandBy - - -
Talk Time - - -
Music Play - - -
Browsing - - -
Video Playback - - -
F Charging - - -
W Charging - - -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100 HSDPA 850 / 900 / 1700 / 1900 / 2100
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) LTE LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 20(800), 29(700), 30(2300), 38(2600), 39(1900), 40(2300), 41(2500) - G930A, LTE band 2(1900), 3(1800), 4(1700/2100),
Speed HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps - HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot
BlueTooth v4.0, A2DP, EDR, LE Yes, v4.0 with A2DP Yes, v4.0 with A2DP
USB MicroUSB v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0, USB Host
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS support and GLONASS Yes, with A-GPS support and GLONASS
NFC Yes - Yes
Audio jeck Yes, 3.5mm - Yes, 3.5 mm
OTHERS
Sensors Accelerometer, proximity, compass - Fingerprint, accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2
Radio FM radio FM radio TBD
SARUS - - -
SAREU 0.24 W/kg (head) 0.30 W/kg (body) - -
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