Phone Comparison - Samsung Galaxy J7 vs Samsung Galaxy S7 Edge vs Oppo A57

Price Comparison (India) -

general General Info

Manufacturer Samsung Samsung Oppo
Announced June 2015 February 2016 November 2016
Status Available - June 2015 Available - March 2016 Available - January 2017
Price Rs. 13,400 ($197.06) [Similarly Priced] Rs. 50,900 ($748.53) [Similarly Priced] Rs. 14,990 ($240.00) [Similarly Priced]
Colors White, Black Various Gold, Rose Gold
Form Factor Candybar Candybar Candybar
Dimension 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)
149.1 x 72.9 x 7.65 mm
(5.87 x 2.87 x 0.3 in)
Weight 171 g (6.03 oz) 157 g (5.54 oz) 147 g (5.19 oz)
SIM Type - Single SIM (Nano-SIM), Dual SIM (Nano-SIM, Dual Stand-by) Dual-SIM
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA2000 1xEV-DO - A59m
3G Network HSDPA 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700 / 1900 / 2100
HSDPA 850 / 900 / 1900 / 2100
4G Network LTE LTE LTE band 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)
Messaging SMS, MMS, EMail, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail
Build Features - - Heart rate sensor
- Fingerprint sensor
- IP68 certified - dust and water resistant
- Water resistant up to 1 meter and 30 minutes
- Fingerprint Sensor
- Metal Build
- 2.5D Curved Glass
Notification LED - Yes Yes

hardware Hardware and OS

OS Android OS, v5.1 (Lollipop) Android OS, v6.0 (Marshmallow) Android OS, v6.0 (Marshmallow)
Processor 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 Octa-core 1.4 GHz Cortex-A53, Qualcomm MSM8940 Snapdragon 435
GPU Mali-T720 Adreno 530/ Mali-T880 MP12 Adreno 505
RAM 1.5 GB 4 GB 3 GB
Internal Memory 16 GB 32 GB 32 GB
External Memory microSD, up to 128 GB microSD upto 256GB microSD, up to 128 GB (uses SIM 2 slot)

display Display

Type Super AMOLED Capacitive Touchscreen Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 5, Curved Edge Screen, Always-on display IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 5.5 inches 5.2 inches
Resolution 720 x 1280 pixels (267 ppi) 1440 x 2560 pixels (534 ppi) 720 x 1280 pixels (282 ppi)
Screen-to-Body Ratio 69.63% 76.13% 68.79%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, 4128 x 3096 pixels 12 MP, 4608 x 2592 pixels 13 MP
Flash LED flash LED Flash LED Flash
Features 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 Phase Detection Autofocus, f/2.2, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama
Video 1080p@30fps 2160p@30fps, 1080p@60fps, 720p@120fps, HDR, dual-video rec. 1080p@30fps
Front Camera 5 MP [Similar] 5 MP, f/1.7, Dual Video Call, Auto HDR [Similar] 16 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat9 450/50 Mbps HSPA, LTE, VoLTE
Bluetooth v4.1, A2DP v4.2, A2DP, LE, apt-X v4.1, A2DP
Wi-Fi 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 Wi-Fi 802.11 a/b/g/n, hotspot
USB microUSB v2.0 microUSB v2.0, USB Host microUSB v2.0, USB Host
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16 GB, 1.5 GB RAM 32 GB, 4 GB RAM 32 GB, 3 GB RAM
Expandable Storage microSD, up to 128 GB microSD upto 256GB microSD, up to 128 GB (uses SIM 2 slot)
USB OTG - Supported Supported

Apps Sensors

Fingerprint fingerprint not supported fingerprint 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 present barometer sensor
Heart-rate Sensor heart rate sensor heart rate sensor present heart rate sensor
NFC NFC not supported NFC supported NFC not supported

battery Battery

Type Li-Ion Battery Non-removable Li-Po Battery Non-removable Li-Ion Battery
Capacity 3000 mAh 3600 mAh 2900 mAh
Stand by Up to 354 h - -
Talk Time Up to 18 h (3G) - -