Phone Comparison - Asus Zenfone Selfie vs Oppo R9s vs Oppo A77

general General Info

Manufacturer Asus Oppo Oppo
Announced June 2015 October 2016 July 2017
Status Available - August 2015 Available - October 2016 Available - July 2017
Price Rs. 11,999 ($176.46) [Similarly Priced] Rs. 27,700 ($415.00) [Similarly Priced] -
Colors Various Silver, Gold Gold, Rose Gold
Form Factor Candybar Candybar Candybar
Dimension 156.5 x 77.2 x 10.8 ~ 3.9 mm
(6.16 x 3.04 x 0.43 ~ 0.15 in)
153 x 74.3 x 6.58 mm
(6.02 x 2.93 x 0.26 in)
153.3 x 75.9 x 7.4 mm
(6.04 x 2.99 x 0.29 in)
Weight 170 g (6 oz) 145 g (5.11 oz) 148 g (5.22 oz)
SIM Type - - 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 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 / 800 - Taiwan HSDPA 850 / 900 / 1900 / 2100
4G Network LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800) - Global
LTE band 1(2100), 2(1900), 3(1800), 5(850), 6(900), 8(900), 9(1800), 18(800), 19(800), 28(700) - Taiwan
LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(26
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
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail
Build Features - - Fingerprint Sensor
- Metal Build
- Fingerprint Sensor
Notification LED - - Yes

hardware Hardware and OS

OS Android OS, v5.0 (Lollipop) Android OS, v6.0.1 (Lollipop) Android OS, v7.0 (Nougat)
Processor Quad-core Cortex-A53 & Quad-core Cortex-A53, Qualcomm MSM8939 Snapdragon 615 Octa-core 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625 Octa-core 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625
GPU Adreno 405 Adreno 506 Adreno 506
RAM 2/3 GB 4 GB 4 GB
Internal Memory 16/32 GB 64 GB 64 GB
External Memory microSD, up to 64 GB microSD, up to 128 GB microSD, up to 256 GB (uses SIM 2 slot)

display Display

Type IPS Capacitive Touchscreen, Corning Gorilla Glass 4, Oleophobic Coating IPS LCD Capacitive Touchscreen, 2.5D Curved Glass Display, Corning Gorilla Glass 5 IPS LCD Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 5.5 inches 5.5 inches
Resolution 1080 x 1920 pixels (401 ppi) 1080 x 1920 pixels (401 ppi) 1080 x 1920 pixels (401 ppi)
Screen-to-Body Ratio 68.86% 73.19% 71.50%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, 4128 x 3096 pixels 16 MP 13 MP
Flash dual-LED (Dual Tone) LED Flash LED Flash
Features Laser Autofocus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR 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
Video 1080p@30fps 1080p@30fps 1080p@30fps
Front Camera 13 MP, 1080p, laser autofocus, dual-LED [Similar] 16 MP, f/2.0 [Similar] 16 MP, f/2.0 [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 Cat6 300/50 Mbps HSPA, LTE, VoLTE
Bluetooth v4.0, A2DP, EDR v4.2, A2DP, EDR, LE 4.2, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, hotspot
USB microUSB v2.0 (MHL TV-out), USB Host microUSB v2.0, USB OTG, VOOC Flash Charge microUSB 2.0
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16/32 GB, 2/3 GB RAM 64 GB, 4 GB RAM 64 GB, 4 GB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 128 GB microSD, up to 256 GB (uses SIM 2 slot)
USB OTG Supported Supported Not 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
NFC NFC supported NFC not supported NFC not supported

battery Battery

Type Li-Po Battery Non-removable Li-Ion Battery Non-removable Li-Ion Battery
Capacity 3000 mAh 3010 mAh 3200 mAh
Stand by - - -
Talk Time - - -