Samsung Galaxy J2 Core vs Samsung Z1

Key Specs

Battery
2600 mAh	1500 mAh
Display
5.0 inches (12.7 cm)	4.0 inches (10.16 cm)
Front Camera
5 MP	0.3 MP
Processor
Samsung Exynos 7 Quad 7570	Spreadtrum SC7727S
RAM
1 GB	768 MB
Rear Camera
8 MP	3.1 MP

Battery

Capacity
2600 mAh	1500 mAh
Removable
Yes	Yes
TalkTime
Up to 18 Hours(3G)	Up to 8 Hours(2G)
Type
Li-ion	Li-ion
USB Type-C
No	No

Design

Build Material
Back: Plastic	-
Colours
Black, Blue, Gold	Black, Red, White
Height
143.4 mm	120.4 mm
Thickness
8.9 mm	9.7 mm
Weight
154 grams	112 grams
Width
72.1 mm	63.2 mm

Display

Aspect Ratio
16:9	-
Display Colour
-	16M
Display Type
TFT	TFT
Pixel Density
220 ppi Below	233 ppi
Resolution
540x960 px	480x800 px
Screen Size
5.0 inches (12.7 cm)	4.0 inches (10.16 cm)
Screen to Body Ratio (calculated)
66.5 %	59.85 %
Touch Screen
Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Autofocus
No	-
Flash
No	No
Resolution
5 MP f/2.2, Primary Camera	0.3 MP Front Camera

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General

Brand
Samsung	Samsung
Custom UI
Android Go	-
Launch Date
August 24, 2018	January 14, 2015
Operating System
Android v8.1 (Oreo)	Tizen v2.3

Main Camera

Autofocus
Yes	No
Camera Features
Digital Zoom Auto Flash	Digital Zoom Auto Flash Face detection
Camera Setup
Single	Single
Flash
Yes, LED Flash	Yes, LED Flash
Image Resolution
3264 x 2448 Pixels	2032 x 1520 Pixels
OIS
No	No
Resolution
8 MP f/2.2, Primary Camera	3.1 MP Primary Camera
Video Recording
1920x1080 @ 30 fps	640x480 @ 15 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
Ring Tone
-	Music ringtones, Vibration
Video Player
-	Yes, Video Formats: 3GP, AVI, M4V, MKV, MPEG4
Video player
-	Yes, Video Formats: 3GP, AVI, M4V, MKV, MPEG4

Network & Connectivity

Bluetooth
Yes, v4.2	Yes, v4.1
GPS
Yes with A-GPS, Glonass	Yes with A-GPS
NFC
No	No
Network Support
5G Not Supported in India, 4G Supported in India, 3G, 2G	5G Not Supported in India, 3G, 2G
SAR Value
-	Head: 0.54 W/kg, Body: 0.9 W/kg
SIM 1
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 850(band 5) / 800(band 20) 3G Bands: UMTS 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 850 / 900 MHz GPRS: Available EDGE: Available	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
SIM 2
2G Bands: GSM 1800 / 850 / 900 MHz GPRS: Available	2G Bands: GSM 1800 / 1900 / 850 / 900 MHz
SIM Size
-	SIM1: Micro, SIM2: Micro
SIM Slot(s)
Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
Mass storage device, USB charging, microUSB 2.0	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, Mobile Hotspot	Wi-Fi Direct

Performance

CPU
Quad core, 1.4 GHz, Cortex A53	Dual core, 1.2 GHz, Cortex A7
Chipset
Samsung Exynos 7 Quad 7570	Spreadtrum SC7727S
Fabrication
14 nm	-
Graphics
Mali-T720 MP1	Mali-400
RAM type
LPDDR3	-

Sensors

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

Storage

Expandable Memory
Yes, Up to 256 GB	Yes, Up to 64 GB
Internal Memory
8 GB	4 GB Below
Storage Type
eMMC 5.0	-
USB OTG
-	No
User Available Storage
Up to 4.9 GB	-