Samsung Z1 vs Samsung Z2

Key Specs

Battery
1500 mAh	1500 mAh
Display
4.0 inches (10.16 cm)	4.0 inches (10.16 cm)
Front Camera
0.3 MP	0.3 MP
Processor
Spreadtrum SC7727S	Spreadtrum SC9830A
RAM
768 MB	1 GB
Rear Camera
3.1 MP	5 MP

Battery

Capacity
1500 mAh	1500 mAh
Removable
Yes	Yes
TalkTime
Up to 8 Hours(2G)	Up to 8 Hours(3G)
Type
Li-ion	Li-ion
USB Type-C
No	No

Design

Colours
Black, Red, White	Black, Gold, Wine
Height
120.4 mm	121.5 mm
Thickness
9.7 mm	10.8 mm Below
Weight
112 grams	127 grams
Width
63.2 mm	63 mm

Display

Display Colour
16M	16M
Display Type
TFT	TFT
Pixel Density
233 ppi	233 ppi
Resolution
480x800 px	480x800 px
Screen Protection
-	No
Screen Size
4.0 inches (10.16 cm)	4.0 inches (10.16 cm)
Screen to Body Ratio (calculated)
59.85 %	59.5 %
Touch Screen
Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Flash
No	No
Resolution
0.3 MP Front Camera	0.3 MP Front Camera
Sensor
-	CMOS

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General

Brand
Samsung	Samsung
Launch Date
January 14, 2015	August 29, 2016
Operating System
Tizen v2.3	Tizen v2.4

Main Camera

Autofocus
No	No
Camera Features
Digital Zoom Auto Flash Face detection	Digital Zoom
Camera Setup
Single	Single
Flash
Yes, LED Flash	Yes, LED Flash
Image Resolution
2032 x 1520 Pixels	2592 x 1944 Pixels
OIS
No	No
Resolution
3.1 MP Primary Camera	5 MP Primary Camera
Sensor
-	CMOS image sensor
Video Recording
640x480 @ 15 fps	1280x720 @ 30 fps

Multimedia

Audio Jack
3.5 mm	3.5 mm
FM Radio
Yes	Yes
Loudspeaker
Yes	Yes
Music
Yes, Music Formats: 3GA, AAC, AMR, FLAC, M4A (Apple lossless), MP3, OGG, WAV	Yes, Music Formats: MP3
Ring Tone
Music ringtones, Vibration	Music ringtones, Vibration
Video Player
Yes, Video Formats: 3GP, AVI, M4V, MKV, MPEG4	Yes, Video Formats: MPEG4
Video player
Yes, Video Formats: 3GP, AVI, M4V, MKV, MPEG4	Yes, Video Formats: MPEG4

Network & Connectivity

Bluetooth
Yes, v4.1	Yes, v4.0
GPS
Yes with A-GPS	Yes with A-GPS
NFC
No	No
Network Support
5G Not Supported in India, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SAR Value
Head: 0.54 W/kg, Body: 0.9 W/kg	-
SIM 1
3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz 3G Speed: HSDPA 21 Mbit/s ↓, HSUPA 5.76 Mbit/s ↑ GPRS: Available EDGE: Available	4G Bands: TD-LTE 2300(band 40) FD-LTE 1800(band 3) 3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM 2
2G Bands: GSM 1800 / 1900 / 850 / 900 MHz	2G Bands: GSM 1800 / 1900 / 850 / 900 MHz
SIM Size
SIM1: Micro, SIM2: Micro	SIM1: Micro, SIM2: Micro
SIM Slot(s)
Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
microUSB 2.0	Mass storage device, USB charging, microUSB 2.0
VoLTE
-	Yes
Wi-Fi
Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 4 (802.11 b/g/n)
Wi-Fi Features
Wi-Fi Direct	Wi-Fi Direct, Mobile Hotspot

Performance

CPU
Dual core, 1.2 GHz, Cortex A7	Quad core, 1.5 GHz, Cortex A7
Chipset
Spreadtrum SC7727S	Spreadtrum SC9830A
Graphics
Mali-400	Mali-400 MP2

Sensors

Browser
Yes, HTML	Yes, HTML
Email
Yes	Yes
Fingerprint Sensor
No	No
Games
Yes	Yes
Instant Messaging
Yes	Yes
Java
Yes, MIDP 1.0	-
Other Facilities
Stopwatch, World clock, Calendar, Alarm, Document viewer	Android Market, World clock, Calendar, Alarm, Document viewer
Other Sensors
Accelerometer	Accelerometer
Phone Book
Yes, Practically Unlimited	Yes, Practically Unlimited

Storage

Expandable Memory
Yes, Up to 64 GB	Yes, Up to 128 GB
Internal Memory
4 GB Below	8 GB
USB OTG
No	Yes
User Available Storage
-	Up to 5.1 GB