Phone Comparison - OPPO Neo R831K vs Samsung Galaxy J1 4G vs Oppo Joy 3

general General Info

Manufacturer Oppo Samsung Oppo
Announced August 2014 January 2015 June 2015
Status Available - August 2014 Available - March 2015 Available - July 2015
Price - Rs. 6,890 ($85.99) [Similarly Priced] Rs. 5,990 ($88.09) [Similarly Priced]
Colors White, Black White, Black, Blue White, Gray
Form Factor Candybar Candybar Candybar
Dimension 132 x 65.8 x 9.2 mm
(5.2 x 2.59 x 0.36 in)
129 x 68.2 x 8.9 mm
(5.08 x 2.69 x 0.35 in)
132.8 x 66.6 x 9 mm
(5.23 x 2.62 x 0.35 in)
Weight 130 g (4.59 oz) 122 g (4.3 oz) 135 g (4.76 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 2100 HSDPA 900 / 2100 HSDPA 850 / 900 / 2100
4G Network - LTE 1800 TD-LTE 2300 (Bands 3, 40) -
Messaging SMS, MMS, Push Mail, EMail SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail

hardware Hardware and OS

OS Android OS, v4.2.2 (Jelly Bean) based Color OS Android OS, v4.4.4 (KitKat) Android OS, v4.4 (KitKat)
Processor Dual-core 1.3 GHz Quad-core 1.2 GHz Quad-core 1.3 GHz Cortex-A7, Mediatek MT6582
GPU - - Mali-400MP2
RAM 1 GB 768 MB 1 GB
Internal Memory 4 GB 4 GB 4 GB
External Memory microSD, up to 32 GB microSD, up to 128 GB microSD, up to 32 GB

display Display

Type IPS LCD capacitive touchscreen TFT capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.5 inches 4.3 inches 4.5 inches
Resolution 480 x 854 pixels (218 ppi) 480 x 800 pixels (217 ppi) 480 x 854 pixels (218 ppi)
Screen-to-Body Ratio 64.07% 59.80% 62.92%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 5 MP, 2592 x 1944 pixels 5 MP, 2592 х 1944 pixels 5 MP, 2592 х 1944 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 Auto focus, Geo-tagging, HDR, Panorama
Video Yes 720p@30fps 720p
Front Camera Yes, 2 MP [Similar] 2 MP [Similar] 2 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA+ HSPA 21.1/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA
Bluetooth v2.1, A2DP v4.0, A2DP v4.0, A2DP, EDR
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, hotspot
USB microUSB v2.0 microUSB v2.0 microUSB v2.0, USB Host
GPS Yes, with A-GPS Yes, with A-GPS, GLONASS Yes, with A-GPS
Browser HTML HTML HTML5

memory User Memory

Internal 4 GB, 1 GB RAM 4 GB, 768 MB RAM 4 GB, 1 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 128 GB microSD, up to 32 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 supported NFC not supported

battery Battery

Type Li-Ion Battery Li-Ion Battery Li-Po Battery
Capacity 1900 mAh 1850 mAh 2000 mAh
Stand by - - -
Talk Time - - -