Phone Comparison - vivo Y55s vs Oppo A71 vs Samsung Galaxy J7 Duo (2018)

Price Comparison (India) - -

general General Info

Manufacturer vivo Oppo Samsung
Announced February 2017 September 2017 April 2018
Status Coming Soon - February 2017 Available - September 2017 Available - April 2018
Price - Rs. 12,990 ($199.00) [Similarly Priced] Rs. 16,990 ($260.00) [Similarly Priced]
Colors Crown Gold, Space Gray Gold, Black Black, Gold
Form Factor Candybar Candybar Candybar
Dimension - 148.1 x 73.8 x 7.6 mm
(5.83 x 2.91 x 0.3 in)
153.5 x 77.2 x 8.1 mm
(6.04 x 3.04 x 0.32 in)
Weight - 137 g (4.83 oz) -
SIM Type Dual 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 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional)
3G Network HSDPA 900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE band 3(1800), 5(850), 40(2300) LTE LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800)
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail SMS, MMS, EMail, IM
Build Features - - - 2.5D Curved Glass
- Fingerprint Sensor
Notification LED No Yes Yes

hardware Hardware and OS

OS Android OS, v6.0 (Marshmallow) Android OS, v7.1 (Nougat) Android OS, v8.0 (Oreo)
User Interface - ColorOS 3.1 -
Processor Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8917 Snapdragon 425 Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53), MediaTek MT6750 2.39 GHz Octa-core, Exynos 7870
GPU Adreno 306 Mali-T880 MP2 Mali-T830 MP2
RAM 3 GB 3 GB 4 GB
Internal Memory 16 GB 16 GB 32 GB
External Memory microSD, up to 256 GB (dedicated slot) microSD, up to 256 GB (uses SIM 2 slot) microSD, up to 256 GB

display Display

Type IPS LCD Capacitive Touchscreen IPS LCD Capacitive Touchscreen Super AMOLED capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.2 inches 5.2 inches 5.5 inches
Resolution 720 x 1280 pixels (282 ppi) 720 x 1280 pixels (282 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio - 68.41% 70.38%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP 13 MP Dual 13 MP + 5 MP
Flash LED Flash LED Flash LED flash
Features Autofocus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama Phase Detection Autofocus, f/2.2, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama Auto focus, Live Focus, f/1.9 aperture main, f/1.9 aperture secondary, Geo-tagging, Touch Focus, Face Detection, Panorama
Video 1080p@30fps 1080p@30fps 1080p@30fps
Front Camera 5 MP [Similar] 5 MP, f/2.4 [Similar] 8 MP, f/1.9 [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, VoLTE HSPA, LTE, VoLTE HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, VoLTE
Bluetooth v4.0, A2DP 4.2, A2DP v4.2, A2DP, EDR, LE, ANT+
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot
USB microUSB v2.0 microUSB 2.0 microUSB 2.0
GPS Yes, with A-GPS, BDS Yes, with A-GPS Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16 GB, 3 GB RAM 16 GB, 3 GB RAM 32 GB, 4 GB RAM
Expandable Storage microSD, up to 256 GB (dedicated slot) microSD, up to 256 GB (uses SIM 2 slot) microSD, up to 256 GB
USB OTG Not Supported Supported 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
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 not supported NFC not supported NFC not supported

battery Battery

Type Non-removable Li-Ion Battery Non-removable Li-Ion Battery Non-removable Li-Ion Battery
Capacity 2730 mAh 3000 mAh 3000 mAh
Stand by - - -
Talk Time - - -