Phone Comparison - Oppo R9s vs Oppo A57 vs Samsung Galaxy J2 (2017)

general General Info

Manufacturer Oppo Oppo Samsung
Announced October 2016 November 2016 October 2017
Status Available - October 2016 Available - January 2017 Available - October 2017
Price Rs. 27,700 ($415.00) [Similarly Priced] Rs. 14,990 ($240.00) [Similarly Priced] Rs. 7,390 ($120.00) [Similarly Priced]
Colors Silver, Gold Gold, Rose Gold Metallic Gold, Absolute Black
Form Factor Candybar Candybar Candybar
Dimension 153 x 74.3 x 6.58 mm
(6.02 x 2.93 x 0.26 in)
149.1 x 72.9 x 7.65 mm
(5.87 x 2.87 x 0.3 in)
136.5 x 69 x 8.4mm
(5.37 x 2.72 x 0.33in)
Weight 145 g (5.11 oz) 147 g (5.19 oz) 130 g (4.59 oz)
SIM Type - Dual-SIM Dual-SIM
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA2000 1xEV-DO - A59m
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 850 / 900 / 1900 / 2100 / 800 - Taiwan HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - J320F, J3109
4G Network 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 LTE band 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - J320F
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail SMS, MMS, EMail, IM
Build Features - Fingerprint Sensor
- Metal Build
- Fingerprint Sensor
- Metal Build
- 2.5D Curved Glass
- Smart Manager
Notification LED - Yes No

hardware Hardware and OS

OS Android OS, v6.0.1 (Lollipop) Android OS, v6.0 (Marshmallow) Android OS, v7.1 (Nougat)
User Interface - ColorOS 3.0 -
Processor Octa-core 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625 Octa-core 1.4 GHz Cortex-A53, Qualcomm MSM8940 Snapdragon 435 Quad-core 1.3 GHz Cortex-A7, Exynos
GPU Adreno 506 Adreno 505 Mali-400MP2
RAM 4 GB 3 GB 1 GB
Internal Memory 64 GB 32 GB 8 GB
External Memory microSD, up to 128 GB microSD, up to 128 GB (uses SIM 2 slot) microSD, up to 128 GB (dedicated slot)

display Display

Type IPS LCD Capacitive Touchscreen, 2.5D Curved Glass Display, Corning Gorilla Glass 5 IPS LCD capacitive touchscreen Super AMOLED capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 5.2 inches 4.7 inches
Resolution 1080 x 1920 pixels (401 ppi) 720 x 1280 pixels (282 ppi) 540 x 960 pixels (234 ppi)
Screen-to-Body Ratio 73.19% 68.79% 64.85%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 16 MP 13 MP 5 MP, 2592 х 1944 pixels
Flash LED Flash LED Flash LED Flash
Features AutoFocus, Sony IMX398 Sensor, f/1.7 aperture, EIS, 6P Lens, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR Phase Detection Autofocus, f/2.2, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama Autofocus, Geo-tagging, Touch Focus, Face Detection
Video 1080p@30fps 1080p@30fps 720p@30fps
Front Camera 16 MP, f/2.0 [Similar] 16 MP [Similar] 2 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 HSPA, LTE, VoLTE HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, VoLTE
Bluetooth v4.2, A2DP, EDR, LE v4.1, A2DP v4.1, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
USB microUSB v2.0, USB OTG, VOOC Flash Charge microUSB v2.0, USB Host microUSB v2.0, USB On-The-Go
GPS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS Yes, with A-GPS, GLONASS/ BDS (region dependent)
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 64 GB, 4 GB RAM 32 GB, 3 GB RAM 8 GB, 1 GB RAM
Expandable Storage microSD, up to 128 GB microSD, up to 128 GB (uses SIM 2 slot) microSD, up to 128 GB (dedicated slot)
USB OTG Supported Supported Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer 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 Removable Li-Ion Battery
Capacity 3010 mAh 2900 mAh 2000 mAh battery
Stand by - - -
Talk Time - - Up to 14 h (3G)