Phone Comparison - Samsung Galaxy A7 (2017) vs Oppo A57 vs Samsung Galaxy J7 Perx

general General Info

Manufacturer Samsung Oppo Samsung
Announced January 2017 November 2016 Not Announced Yet
Status Coming Soon - January 2017 Available - January 2017 Rumored
Price Rs. 33,490 ($425.00) [Similarly Priced] Rs. 14,990 ($240.00) [Similarly Priced] -
Colors Black, White, Gold, Pink Gold, Rose Gold Black, White
Form Factor Candybar Candybar Candybar
Dimension 156.8 x 77.6 x 7.9 mm
(6.17 x 3.06 x 0.31 in)
149.1 x 72.9 x 7.65 mm
(5.87 x 2.87 x 0.3 in)
-
Weight - 147 g (5.19 oz) -
SIM Type Dual-SIM Dual-SIM Dual-SIM
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA2000 1xEV-DO - A59m
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 / 800 - Taiwan
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) LTE band 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 26(850), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - Taiwan
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail, IM
Build Features - Fingerprint Sensor
- Fingerprint Sensor
- Metal Build
- 2.5D Curved Glass
- Fingerprint Sensor
Notification LED Yes Yes Yes

hardware Hardware and OS

OS Android OS, v6.0.1 (Marshmallow) Android OS, v6.0 (Marshmallow) Android OS, v7.0 (Nougat)
User Interface - ColorOS 3.0 -
Processor 1.9 GHz Quad-core Cortex-A72 & 1.3 GHz Quad-core Cortex-A53, Exynos 7880 Octa-core 1.4 GHz Cortex-A53, Qualcomm MSM8940 Snapdragon 435 Octa-core 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625
GPU Mali-T860 MP4 Adreno 505 Adreno 506
RAM 3 GB 3 GB 2/3 GB
Internal Memory 32 GB 32 GB 16/32 GB
External Memory microSD, up to 256 GB microSD, up to 128 GB (uses SIM 2 slot) microSD, up to 256 GB

display Display

Type Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 4 IPS LCD capacitive touchscreen Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 3
Colors 16M colors 16M colors 16M colors
Size 5.7 inches 5.2 inches 5.5 inches
Resolution 1080 x 1920 pixels (386 ppi) 720 x 1280 pixels (282 ppi) 1080 x 1920 pixels (401 ppi)
Screen-to-Body Ratio 73.79% 68.79% -
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio FM radio FM Radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 16 MP 13 MP 13 MP, 4160 x 3120 pixels
Flash LED Flash LED Flash Dual-LED (dual Tone)
Features Phase Detection Autofocus, f/1.9, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Phase Detection Autofocus, f/2.2, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama Phase Detection Autofocus (PDAF), f/1.9 aperture, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR
Video 1080p@30fps 1080p@30fps 1080p@30fps
Front Camera 16 MP [Similar] 16 MP [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps, VoLTE HSPA, LTE, VoLTE HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps, VoLTE
Bluetooth v4.2, A2DP, EDR, LE, ANT+ v4.1, A2DP v4.2, A2DP, EDR, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual-band, WiFi Direct, hotspot Wi-Fi 802.11 a/b/g/n, hotspot Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot
USB Type-C 1.0 reversible connector microUSB v2.0, USB Host Type-C 1.0 reversible connector
GPS Yes, with A-GPS, GLONASS/ BDS (market dependant) Yes, with A-GPS Yes, with A-GPS, GLONASS, BDS
Browser HTML5 HTML5 HTML5

memory User Memory

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

Apps Sensors

Fingerprint fingerprint 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
Light Sensor light sensor present light sensor present light sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor present
NFC NFC supported NFC not supported NFC supported

battery Battery

Type Non-removable Li-Ion battery Non-removable Li-Ion Battery Non-removable Li-Ion Battery
Capacity 3600 mAh 2900 mAh 3300 mAh
Stand by - - -
Talk Time - - -