Phone Comparison - Samsung Galaxy Core 2 Duos vs OPPO Neo R831K vs Asus Zenfone 2 ZE550ML

general General Info

Manufacturer Samsung Oppo Asus
Announced June 2014 August 2014 March 2015
Status Available - July 2014 Available - August 2014 Available - March 2015
Price - - Rs. 13,990 ($205.74) [Similarly Priced]
Colors White, Black White, Black Red, Grey, Black, White and Gold
Form Factor Candybar Candybar Candybar
Dimension 130.3 x 68 x 9.8 mm
(5.13 x 2.68 x 0.39 in)
132 x 65.8 x 9.2 mm
(5.2 x 2.59 x 0.36 in)
152.5 x 77.2 x 10.9 mm
(6 x 3.04 x 0.43 in)
Weight 138 g (4.87 oz) 130 g (4.59 oz) 170 g (6 oz)
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 900 / 2100 HSDPA 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network - - LTE 700/800/850/900/1700/1800/1900/2100/2600
(Bands 1, 2, 3, 4, 5, 7, 8, 9, 17, 18, 19, 20, 28, 29)
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.4.2 (KitKat) Android OS, v4.2.2 (Jelly Bean) based Color OS Android OS, v5.0 (Lollipop)
Processor Quad-core 1.2 GHz Dual-core 1.3 GHz Quad-core 1.8 GHz, Intel Atom Z3560
GPU - - PowerVR G6430
RAM 768 MB 1 GB 2 GB
Internal Memory 4 GB 4 GB 16 GB
External Memory microSD, up to 64 GB microSD, up to 32 GB microSD, up to 64 GB

display Display

Type TFT capacitive touchscreen IPS LCD capacitive touchscreen IPS Capacitive Touchscreen, Corning Gorilla Glass 3
Colors 16M colors 16M colors 16M colors
Size 4.5 inches 4.5 inches 5.5 inches
Resolution 480 x 800 pixels (207 ppi) 480 x 854 pixels (218 ppi) 1080 x 1920 pixels (403 ppi)
Screen-to-Body Ratio 65.25% 64.07% 69.97%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 5 MP, 2592 х 1944 pixels 5 MP, 2592 x 1944 pixels 13 MP, 4128 x 3096 pixels
Flash LED flash LED Flash dual-LED (dual tone)
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR
Video Yes Yes 1080p@30fps
Front Camera Yes, VGA [Similar] Yes, 2 MP [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSPA+ HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth Yes, v4.0 with A2DP v2.1, A2DP v4.0, A2DP, EDR
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot
USB Yes, microUSB v2.0 microUSB v2.0 microUSB v2.0, USB Host
GPS Yes, with A-GPS support and GLONASS Yes, with A-GPS Yes, with A-GPS, GLONASS
Browser HTML HTML HTML5

memory User Memory

Internal 4 GB, 768 MB RAM 4 GB, 1 GB RAM 16 GB, 2 GB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 32 GB microSD, up to 64 GB
USB OTG - - Supported

Apps Sensors

Fingerprint fingerprint not supported fingerprint not 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 Li-Ion Battery Li-Ion Battery Non-removable Li-Po Battery
Capacity 2000 mAh 1900 mAh 3000 mAh
Stand by - - -
Talk Time - - -