Samsung Galaxy Z3 vs Samsung Galaxy J2 vs Oppo Joy 3

BASIC INFO
Model No Galaxy Z3 Galaxy J2 Joy 3
Status release 2015, October Discontinued Discontinued
Release Date 2015, October 2015, September 2015, June
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) 132.8 x 66.6 x 9 mm (5.23 x 2.62 x 0.35 in)
Weight 137 g (4.83 oz) 129 g (4.55 oz) 135 g (4.76 oz)
Colors White White, Black, Gold White, Gray
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) Dual SIM (Micro-SIM, dual stand-by)
Technology GSM / HSPA GSM / HSPA / LTE GSM / HSPA
OS Tizen OS v 2.3 Android OS, v5.1 (Lollipop) Android OS, v4.4 KitKat
PROSESSING
Processor Quad-core 1.3 GHz Cortex-A53 Quad-core 1.3 GHz Cortex-A7 Quad-core 1.3 GHz Cortex-A7
Chipset Mediatake Exynos 3475 Quad Mediatek MT6582
GPU - Mali-T720 Mali-400MP2
MEMORY
RAM 1 GB 1GB 1GB
Storage 8 GB 8GB 4GB
Card Slot microSD, up to 32 GB Up to 64 GB up to 32 GB (dedicated slot)
DISPLAY
Size 5 inches 4.7 inches 4.5 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 480 x 854 pixels
PPI 294 ppi pixel density 234 ppi pixel density 218 ppi pixel density
Multi touch Yes Yes Yes, ColorOS 2.0 UI
Protection - - -
CAMERA
Primary 8 MP 5MP 5 MP
Video Yes, 10800p@30fps Yes, 1080p@30fps 720p
Flash LED flash LED flash Led flash
Features - Geo-tagging, touch focus, face detection Geo-tagging, HDR, panorama
Selfie Yes, 5 MP Yes, 2MP Yes, 2MP
BATTERY
Battery Li-Ion battery Li-Ion battery Li-Po Battery
Capacity 2600 mAh 2000 mAh 2000 mAh
Removable Yes Yes Removable
StandBy - - -
Talk Time - Up to 11 h (3G) -
Music Play - Up to 41 h -
Browsing - - HTML5
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 - SIM 1 & SIM 2
3G Network HSDPA 900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - J200G, J200GU, J200F, J200Y
HSDPA 850 / 900 / 2100 - J200H
HSDPA 850 / 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),
No
Speed HSPA HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA
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, hotspot
BlueTooth V4.0 with A2DP v4.1, A2DP v4.0, A2DP, EDR
USB MicroUSB v2.0 microUSB v2.0, USB On-The-Go microUSB v2.0, USB Host
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS
NFC No Yes (market dependent) No
Audio jeck 3.5mm Jack Yes, 3.5 mm Yes, 3.5mm
OTHERS
Sensors Accelerometer, proximity, compass Accelerometer, proximity Accelerometer, proximity
Radio FM radio FM radio, RDS, recording FM radio
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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