Samsung Galaxy Z3 vs Samsung Z2

BASIC INFO
Model No Galaxy Z3 Z2
Status release 2015, October Available
Release Date 2015, October August, 2016
Dimension 141.6 x 70 x 7.9 mm (5.57 x 2.76 x 0.31 in) 121.5 x 63 x 10.8 mm (4.78 x 2.48 x 0.43 in)
Weight 137 g (4.83 oz) 127 g (4.48 oz)
Colors White Gold, Black, Red
Body Metrial - -
W & D Proof - -
SIM Type Dual SIM (Micro-SIM, dual stand-by) Dual SIM (Micro-SIM, dual stand-by)
Technology GSM / HSPA GSM/HSPA/LTE
OS Tizen OS v 2.3 Tizen OS v 2.3
PROSESSING
Processor Quad-core 1.3 GHz Cortex-A53 Quad-core 1.5 GHz Cortex-A7
Chipset Mediatake Spreadtrum SC9830
GPU - Mali-400MP2
MEMORY
RAM 1 GB 1GB RAM
Storage 8 GB 8GB Internal memory
Card Slot microSD, up to 32 GB upto 200GB microSD card
DISPLAY
Size 5 inches 4.0 inches
Type Super AMOLED capacitive touchscreen, 16M colors TFT capacitive touchscreen, 16M colors
Resolation 720 x 1280 pixels 480x800
PPI 294 ppi pixel density 233
Multi touch Yes Yes
Protection - -
CAMERA
Primary 8 MP 5 MP, f/2.2, LED flash
Video Yes, 10800p@30fps 720p@30fps
Flash LED flash LED Flash
Features - -
Selfie Yes, 5 MP Yes, 2 MP
BATTERY
Battery Li-Ion battery Li-Ion battery
Capacity 2600 mAh 1500 mAh
Removable Yes yes
StandBy - -
Talk Time - Up to 8 h (3G)
Music Play - Up to 30 h
Browsing - HTML
Video Playback - -
F Charging No -
W Charging No -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 SIM 1 & SIM 2 GSM 900 / 1800 - SIM 1 & SIM 2
3G Network HSDPA 900 / 2100 HSDPA 900 / 2100
4G Network - LTE band 1(2100), 3(1800), 5(850), 8(900), 40(2300)
Speed HSPA HSPA, 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
BlueTooth V4.0 with A2DP v4.0, A2DP
USB MicroUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS
NFC No No
Audio jeck 3.5mm Jack 3.5mm Jack
OTHERS
Sensors Accelerometer, proximity, compass Accelerometer
Radio FM radio FM radio
SARUS - 0.81 W/kg (head)
SAREU - 0.58 W/kg (head) 1.30 W/kg (body)
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