Phone Comparison - Samsung Galaxy Core 2 Duos vs Samsung Galaxy J7 vs Samsung Galaxy S7 Edge

Price Comparison (India) -

general General Info

Manufacturer Samsung Samsung Samsung
Announced June 2014 June 2015 February 2016
Status Available - July 2014 Available - June 2015 Available - March 2016
Price - Rs. 13,400 ($197.06) [Similarly Priced] Rs. 50,900 ($748.53) [Similarly Priced]
Colors White, Black White, Black Various
Form Factor Candybar Candybar Candybar
Dimension 130.3 x 68 x 9.8 mm
(5.13 x 2.68 x 0.39 in)
152.4 x 78.6 x 7.5 mm
(6 x 3.09 x 0.3 in)
150.9 x 72.6 x 7.7 mm
(5.94 x 2.86 x 0.3 in)
Weight 138 g (4.87 oz) 171 g (6.03 oz) 157 g (5.54 oz)
SIM Type - - Single SIM (Nano-SIM), Dual SIM (Nano-SIM, Dual Stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 900 / 2100 HSDPA 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700 / 1900 / 2100
4G Network - LTE LTE
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, EMail, IM
Build Features - - - Heart rate sensor
- Fingerprint sensor
- IP68 certified - dust and water resistant
- Water resistant up to 1 meter and 30 minutes
Notification LED - - Yes

hardware Hardware and OS

OS Android OS, v4.4.2 (KitKat) Android OS, v5.1 (Lollipop) Android OS, v6.0 (Marshmallow)
Processor Quad-core 1.2 GHz Octa-core 1.2 GHz, Exynos 7580 Quad-core (2x 2.15 GHz Kryo & 2x 1.6 GHz Kryo)/ Octa-core (4x2.3 GHz Mongoose & 4x1.6 GHz Cortex-A53) , Qualcomm MSM8996 Snapdragon 820/ Exynos 8 Octa 8890
GPU - Mali-T720 Adreno 530/ Mali-T880 MP12
RAM 768 MB 1.5 GB 4 GB
Internal Memory 4 GB 16 GB 32 GB
External Memory microSD, up to 64 GB microSD, up to 128 GB microSD upto 256GB

display Display

Type TFT capacitive touchscreen Super AMOLED Capacitive Touchscreen Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 5, Curved Edge Screen, Always-on display
Colors 16M colors 16M colors 16M colors
Size 4.5 inches 5.5 inches 5.5 inches
Resolution 480 x 800 pixels (207 ppi) 720 x 1280 pixels (267 ppi) 1440 x 2560 pixels (534 ppi)
Screen-to-Body Ratio 65.25% 69.63% 76.13%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM Radio FM radio with RDS; recording -
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592 х 1944 pixels 13 MP, 4128 x 3096 pixels 12 MP, 4608 x 2592 pixels
Flash LED flash LED flash LED Flash
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection Auto focus, Geo-tagging, Touch Focus, Beauty Face, Continuous Shots, Sensor Size: 1/3.06-inch, F1.9, Interval Shot, Panorama, Sports Mode, Sound and Shot Mode Phase Detection Autofocus, Dual Pixel, f/1.7, 1/2.6' Sensor Size, 1 µm Pixel Size, Smart Optical Image Stablization, Geo-tagging, Touch Focus, Face Detection, Auto HDR, Panorama
Video Yes 1080p@30fps 2160p@30fps, 1080p@60fps, 720p@120fps, HDR, dual-video rec.
Front Camera Yes, VGA [Similar] 5 MP [Similar] 5 MP, f/1.7, Dual Video Call, Auto HDR [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat9 450/50 Mbps
Bluetooth Yes, v4.0 with A2DP v4.1, A2DP v4.2, A2DP, LE, apt-X
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB Yes, microUSB v2.0 microUSB v2.0 microUSB v2.0, USB Host
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, BDS
Browser HTML HTML5 HTML5

memory User Memory

Internal 4 GB, 768 MB RAM 16 GB, 1.5 GB RAM 32 GB, 4 GB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 128 GB microSD upto 256GB
USB OTG - - Supported

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Barometer Sensor barometer sensor barometer sensor barometer sensor present
Heart-rate Sensor heart rate sensor heart rate sensor heart rate sensor present
NFC NFC not supported NFC not supported NFC supported

battery Battery

Type Li-Ion Battery Li-Ion Battery Non-removable Li-Po Battery
Capacity 2000 mAh 3000 mAh 3600 mAh
Stand by - Up to 354 h -
Talk Time - Up to 18 h (3G) -