Phone Comparison - OPPO Neo R831K vs Samsung Galaxy Grand Prime vs Samsung Galaxy On7

general General Info

Manufacturer Oppo Samsung Samsung
Announced August 2014 September 2014 October 2015
Status Available - August 2014 Available - September 2014 Available - November 2015
Price - Rs. 7,499 ($110.28) [Similarly Priced] Rs. 8,990 ($132.21) [Similarly Priced]
Colors White, Black Black, White White, Black
Form Factor Candybar Candybar Candybar
Dimension 132 x 65.8 x 9.2 mm
(5.2 x 2.59 x 0.36 in)
144.8 x 72.1 x 8.6 mm
(5.7 x 2.84 x 0.34 in)
151.8 x 77.5 x 8.2 mm
(5.98 x 3.05 x 0.32 in)
Weight 130 g (4.59 oz) 156 g (5.5 oz) 172 g (6.07 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 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA
4G Network - LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900) - G530F
LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - G530FZ
LTE band 1(2100), 3(1800), 5(850), 8(900), 28(700) - G530Y
LTE band 1(2100), 3(1800), 5(850), 8(900), 20(800),
LTE
Messaging SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.2.2 (Jelly Bean) based Color OS Android OS, v4.4.4 (KitKat) Android OS, v5.1 (Lollipop)
Processor Dual-core 1.3 GHz Quad-core 1.2 GHz Cortex-A7, Qualcomm MSM8226 Snapdragon 400 Quad-core 1.2 GHz, Qualcomm MSM8916 Snapdragon 410
GPU - Adreno 305 Adreno 306
RAM 1 GB 1 GB 1.5 GB
Internal Memory 4 GB 8 GB 8 GB
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 128 GB

display Display

Type IPS LCD capacitive touchscreen TFT Capacitive Touchscreen TFT capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.5 inches 5.0 inches 5.5 inches
Resolution 480 x 854 pixels (218 ppi) 540 x 960 pixels (220 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 64.07% 66.19% 70.89%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 5 MP, 2592 x 1944 pixels 8 MP, 3264x2448 pixels 13 MP, 4128 x 3096 pixels
Flash LED Flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama Auto focus, Geo-tagging, Touch Focus, Face Detection
Video Yes Yes, 1080p@30fps 1080p@30fps
Front Camera Yes, 2 MP [Similar] Yes, 5 MP [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

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

memory User Memory

Internal 4 GB, 1 GB RAM 8 GB, 1 GB RAM 8 GB, 1.5 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 GB microSD, up to 128 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 Non-removable Li-Ion Battery Li-Ion Battery
Capacity 1900 mAh 2600 mAh 3000 mAh
Stand by - - -
Talk Time - - Up to 11 h (3G)