Samsung Z1 vs Samsung Z3

Key Specs

Battery
Battery	1500 mAh	2600 mAh
Display
Display	4.0 inches (10.16 cm)	5.0 inches (12.7 cm)
Front Camera
Front Camera	0.3 MP	5 MP
Processor
Processor	Spreadtrum SC7727S	Spreadtrum SC7730
RAM
RAM	768 MB	1 GB
Rear Camera
Rear Camera	3.1 MP	8 MP

Battery

Capacity
Capacity	1500 mAh	2600 mAh
Removable
Removable	Yes	Yes
TalkTime
TalkTime	Up to 8 Hours(2G)	-
Type
Type	Li-ion	Li-ion
USB Type-C
USB Type-C	No	No

Design

Colours
Colours	Black, Red, White	Black, Gold, Silver
Height
Height	120.4 mm	141.6 mm
Thickness
Thickness	9.7 mm	7.9 mm
Weight
Weight	112 grams	137 grams
Width
Width	63.2 mm	70 mm

Display

Display Colour
Display Colour	16M	16M
Display Type
Display Type	TFT	Super AMOLED
Pixel Density
Pixel Density	233 ppi	294 ppi
Resolution
Resolution	480x800 px	720x1280 px (HD)
Screen Protection
Screen Protection	-	No
Screen Size
Screen Size	4.0 inches (10.16 cm)	5.0 inches (12.7 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	59.85 %	69.37 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Autofocus
Autofocus	-	No
Camera Features
Camera Features	-	Wide Angle Selfie
Flash
Flash	No	No
Resolution
Resolution	0.3 MP Front Camera	5 MP Front Camera

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General

Brand
Brand	Samsung	Samsung
Launch Date
Launch Date	January 14, 2015 (Official)	October 21, 2015 (Official)
Operating System
Operating System	Tizen v2.3	Tizen v2.4

Main Camera

Autofocus
Autofocus	No	Yes
Camera Features
Camera Features	Digital Zoom Auto Flash Face detection	Digital Zoom Face detection Touch to focus
Camera Setup
Camera Setup	Single	Single
Flash
Flash	Yes, LED Flash	Yes, LED Flash
Image Resolution
Image Resolution	2032 x 1520 Pixels	3264 x 2448 Pixels
OIS
OIS	No	No
Resolution
Resolution	3.1 MP Primary Camera	8 MP Primary Camera
Shooting Modes
Shooting Modes	-	High Dynamic Range mode (HDR)
Video Recording
Video Recording	640x480 @ 15 fps	-

Multimedia

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

Network & Connectivity

Bluetooth
Bluetooth	Yes, v4.1	Yes, v4.0
GPS
GPS	Yes with A-GPS	Yes with A-GPS
NFC
NFC	No	No
Network Support
Network Support	5G Not Supported in India, 3G, 2G	5G Not Supported in India, 3G, 2G
SAR Value
SAR Value	Head: 0.54 W/kg, Body: 0.9 W/kg	-
SIM 1
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	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, SIM2: 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	Wi-Fi Direct	-

Performance

CPU
CPU	Dual core, 1.2 GHz, Cortex A7	Quad core, 1.3 GHz, Cortex A7
Chipset
Chipset	Spreadtrum SC7727S	Spreadtrum SC7730
Graphics
Graphics	Mali-400	Mali-400 MP2

Sensors

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

Storage

Expandable Memory
Expandable Memory	Yes, Up to 64 GB	Yes, Up to 128 GB
Internal Memory
Internal Memory	4 GB Below	8 GB
USB OTG
USB OTG	No	No