Samsung Galaxy Star 2 vs Samsung Z3

Key Specs

Battery
Battery	1300 mAh	2600 mAh
Display
Display	3.5 inches (8.89 cm)	5.0 inches (12.7 cm)
Front Camera
Front Camera	-	5 MP
Processor
Processor	Spreadtrum SC6815A	Spreadtrum SC7730
RAM
RAM	-	1 GB
Rear Camera
Rear Camera	2 MP	8 MP

Battery

Capacity
Capacity	1300 mAh	2600 mAh
Removable
Removable	-	Yes
TalkTime
TalkTime	Up to 12 Hours(2G)	-
Type
Type	Li-ion	Li-ion
USB Type-C
USB Type-C	-	No

Camera

Camera Features
Camera Features	Digital Zoom	-
Camera Setup
Camera Setup	Single	-
Image Resolution
Image Resolution	1600 x 1200 Pixels	-
Resolution
Resolution	2 MP, Primary Camera	-
Video Recording
Video Recording	640x480 @ 24 fps	-

Design

Colours
Colours	Black, White	Black, Gold, Silver
Height
Height	109.8 mm	141.6 mm
Thickness
Thickness	11.8 mm	7.9 mm
Weight
Weight	107 grams	137 grams
Width
Width	59.9 mm	70 mm

Display

Display Colour
Display Colour	-	16M
Display Type
Display Type	PMOLED	Super AMOLED
Pixel Density
Pixel Density	165 ppi	294 ppi
Resolution
Resolution	-	720x1280 px (HD)
Screen Protection
Screen Protection	-	No
Screen Size
Screen Size	3.5 inches (8.89 cm)	5.0 inches (12.7 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	55.46 %	69.37 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

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Front Camera

Autofocus
Autofocus	-	No
Camera Features
Camera Features	-	Wide Angle Selfie
Flash
Flash	-	No
Resolution
Resolution	-	5 MP Front Camera

General

Brand
Brand	Samsung	Samsung
Launch Date
Launch Date	-	October 21, 2015 (Official)
Operating System
Operating System	Android v4.4.2 (Kitkat)	Tizen v2.4

Main Camera

Autofocus
Autofocus	-	Yes
Camera Features
Camera Features	-	Digital Zoom Face detection Touch to focus
Camera Setup
Camera Setup	-	Single
Flash
Flash	-	Yes, LED Flash
Image Resolution
Image Resolution	-	3264 x 2448 Pixels
OIS
OIS	-	No
Resolution
Resolution	-	8 MP Primary Camera
Shooting Modes
Shooting Modes	-	High Dynamic Range mode (HDR)

Multimedia

Audio Jack
Audio Jack	3.5 mm	3.5 mm
FM Radio
FM Radio	Yes	Yes
Fm Radio
FM Radio	Yes	-
Loudspeaker
Loudspeaker	Yes	Yes
Music
Music	-	Yes, Music Formats: AAC, AMR, eAAC+, M4A (Apple lossless), MIDI, MP3, OGG, WAV, WMA
Ring Tone
Ring Tone	-	Music ringtones, Vibration
Video Player
Video Player	-	Yes, Video Formats: 3GPP, AVI, MKV, MPEG4, WMV, Xvid
Video player
Video player	-	Yes, Video Formats: 3GPP, AVI, MKV, MPEG4, WMV, Xvid

Network & Connectivity

Bluetooth
Bluetooth	Yes, v4.0	Yes, v4.0
GPS
GPS	-	Yes with A-GPS
NFC
NFC	-	No
Network Support
Network Support	5G Not Supported in India, 2G	5G Not Supported in India, 3G, 2G
SIM 1
SIM 1	2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM 2
SIM 2	2G Bands: GSM 1800 / 1900 / 850 / 900 MHz	2G Bands: GSM 1800 / 1900 / 850 / 900 MHz
SIM Size
SIM Size	SIM1: Micro	SIM1: Micro, SIM2: Micro
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
USB Connectivity	microUSB 2.0	microUSB 2.0
Wi-Fi
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 Features	Mobile Hotspot	-

Performance

CPU
CPU	Single core, 1 GHz, ARM Cortex A7	Quad core, 1.3 GHz, Cortex A7
Chipset
Chipset	Spreadtrum SC6815A	Spreadtrum SC7730
Graphics
Graphics	Mali-400	Mali-400 MP2
Ram
RAM	512 MB	-

Sensors

Browser
Browser	-	Yes, HTML
Email
Email	-	Yes
Fingerprint Sensor
Fingerprint Sensor	-	No
Games
Games	-	Yes
Instant Messaging
Instant Messaging	-	Yes
Other Facilities
Other Facilities	-	World clock, Calendar, Alarm, Document viewer
Other Sensors
Other Sensors	Accelerometer	Proximity sensor, Accelerometer
Phone Book
Phone Book	-	Yes, Practically Unlimited

Storage

Expandable Memory
Expandable Memory	Yes, Up to 32 GB	Yes, Up to 128 GB
Internal Memory
Internal Memory	4 GB	8 GB
USB OTG
USB OTG	-	No