Samsung Galaxy Z3 vs Samsung Galaxy J2 vs Walton Primo S2

BASIC INFO
Model No Galaxy Z3 Galaxy J2 -
Status release 2015, October Discontinued Available. Released 2014
Release Date 2015, October 2015, September 2014
Dimension 141.6 x 70 x 7.9 mm (5.57 x 2.76 x 0.31 in) 136.5 x 69 x 8.4 mm (5.37 x 2.72 x 0.33 in) 144 x 61.7 x 8.9 mm
Weight 137 g (4.83 oz) 129 g (4.55 oz) 140.54 g
Colors White White, Black, Gold -
Body Metrial - - -
W & D Proof - - -
SIM Type Dual SIM (Micro-SIM, dual stand-by) Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by) -
Technology GSM / HSPA GSM / HSPA / LTE -
OS Tizen OS v 2.3 Android OS, v5.1 (Lollipop) Android OS, v4.3 (Jelly Bean) upgradable to 4.4.2 KitKat
PROSESSING
Processor Quad-core 1.3 GHz Cortex-A53 Quad-core 1.3 GHz Cortex-A7 Quad Core 1.4 GHz
Chipset Mediatake Exynos 3475 Quad -
GPU - Mali-T720 -
MEMORY
RAM 1 GB 1GB -
Storage 8 GB 8GB -
Card Slot microSD, up to 32 GB Up to 64 GB 16GB Storage, 2 GB RAM, microSD, up to 64 GB
DISPLAY
Size 5 inches 4.7 inches 720 x 1280 pixels 5 inches
Type Super AMOLED capacitive touchscreen, 16M colors Super AMOLED capacitive touchscreen, 16M colors IPS LCD capacitive touchscreen, 16M colors
Resolation 720 x 1280 pixels 540 x 960 pixels -
PPI 294 ppi pixel density 234 ppi pixel density -
Multi touch Yes Yes -
Protection - - -
CAMERA
Primary 8 MP 5MP 13 MP 4160 x 3120 Pixels, Autofocus, Led Flash
Video Yes, 10800p@30fps Yes, 1080p@30fps Yes, 1080p@30fps
Flash LED flash LED flash -
Features - Geo-tagging, touch focus, face detection -
Selfie Yes, 5 MP Yes, 2MP Yes, 5 MP
BATTERY
Battery Li-Ion battery Li-Ion battery Li-Ion 2500 mAh battery
Capacity 2600 mAh 2000 mAh -
Removable Yes Yes -
StandBy - - -
Talk Time - Up to 11 h (3G) -
Music Play - Up to 41 h -
Browsing - - -
Video Playback - - -
F Charging No - -
W Charging No - -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - J200G, J200GU, J200F, J200Y
HSDPA 850 / 900 / 2100 - J200H
HSDPA 900 / 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),
-
Speed HSPA HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps -
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
BlueTooth V4.0 with A2DP v4.1, A2DP Yes, v3.1 with A2DP
USB MicroUSB v2.0 microUSB v2.0, USB On-The-Go Yes, microUSB v2.0, USB Host
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS support
NFC No Yes (market dependent) -
Audio jeck 3.5mm Jack Yes, 3.5 mm -
OTHERS
Sensors Accelerometer, proximity, compass Accelerometer, proximity -
Radio FM radio FM radio, RDS, recording -
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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