Samsung Galaxy J2 vs Samsung Galaxy Tab A 9.7 vs Samsung Galaxy Tab Pro 12.2 LTE

BASIC INFO
Model No Galaxy J2 T550 (Wi-Fi); T555 (3G/LTE) Samsung T900
Status Discontinued Release 2015, April Available.
Release Date 2015, September 2015, March Released 2014, April
Dimension 136.5 x 69 x 8.4 mm (5.37 x 2.72 x 0.33 in) 242.5 x 166.8 x 7.5 mm (9.55 x 6.57 x 0.30 in) 295.6 x 204 x 8 mm (11.64 x 8.03 x 0.31 in)
Weight 129 g (4.55 oz) 450 g (Wi-Fi), 453 g (LTE) (1.00 lb) 732 g (1.61 lb)
Colors White, Black, Gold Smoky Titanium, Smoky Blue, White Black
Body Metrial - - -
W & D Proof - No -
SIM Type Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by) Micro-SIM Micro-SIM
Technology GSM / HSPA / LTE - GSM / HSPA
OS Android OS, v5.1 (Lollipop) Android OS, v5.0 (Lollipop) Android OS, v4.4 (KitKat)
PROSESSING
Processor Quad-core 1.3 GHz Cortex-A7 Quad-core 1.2 GHz Quad-core 1.9 GHz Cortex-A15 & quad-core 1.3 GHz Cortex-A7
Chipset Exynos 3475 Quad - Exynos 5420 Octa
GPU Mali-T720 - Mali-T628 MP6
MEMORY
RAM 1GB 2GB RAM, 3GB
Storage 8GB 16/32GB storage 32/64GB
Card Slot Up to 64 GB microSD, up to 128 GB microSD, up to 128 GB (dedicated slot)
DISPLAY
Size 4.7 inches 9.7 inches 12.2 inches
Type Super AMOLED capacitive touchscreen, 16M colors TFT capacitive touchscreen, 16M colors Super clear LCD capacitive touchscreen, 16M colors
Resolation 540 x 960 pixels 768 x 1024 pixels 2560 x 1600 pixels
PPI 234 ppi pixel density 132 247
Multi touch Yes Yes Yes, up to 10 fingers
Protection - - -
CAMERA
Primary 5MP 5 MP, 2592 х 1944 pixels, autofocus 8 MP, 3264x2448 pixels, autofocus
Video Yes, 1080p@30fps Yes, 720p@30fps Yes, 1080p@60fps
Flash LED flash - LED flash
Features Geo-tagging, touch focus, face detection Geo-tagging Geo-tagging, face and smile detection features
Selfie Yes, 2MP Yes, 2 MP Yes, 2 MP, 1080p@30fps
BATTERY
Battery Li-Ion battery Li-Ion battery Li-Ion battery
Capacity 2000 mAh 6000 mAh 9500 mAh
Removable Yes Non-removable Non-removable
StandBy - - -
Talk Time Up to 11 h (3G) Up to 11 h -
Music Play Up to 41 h Up to 811 h -
Browsing - Up to 10 h -
Video Playback - Up to 11 h -
F Charging - no -
W Charging - no -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 - J200G, J200GU, J200F, J200Y
HSDPA 850 / 900 / 2100 - J200H
HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - J200F
LTE band 1(2100), 3(1800), 5(850), 8(900), 20(800), 40(2300) - J200G
LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900) - J200GU
LTE band 1(2100), 3(1800), 5(850), 7(2600),
LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) -
Speed HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot
BlueTooth v4.1, A2DP Yes, v4.0 with A2DP Yes, v4.0 with A2DP
USB microUSB v2.0, USB On-The-Go Yes, microUSB v2.0, USB Host Yes, microUSB v3.0, USB Host
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS support and GLONASS Yes, with A-GPS support and GLONASS
NFC Yes (market dependent) Yes Yes
Audio jeck Yes, 3.5 mm 3.5 mm Jack 3.5 mm Jack
OTHERS
Sensors Accelerometer, proximity Accelerometer Accelerometer, gyro, compass
Radio FM radio, RDS, recording TBD TBD
SARUS 1.18 W/kg (head), 1.27 W/kg (body) - -
SAREU 0.57 W/kg (head), 0.45 W/kg (body) - -
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