Phone Comparison - OPPO Neo R831K vs Samsung Galaxy Grand Max vs Xiaomi Redmi Note 2

general General Info

Manufacturer Oppo Samsung Xiaomi
Announced August 2014 January 2015 August 2015
Status Available - August 2014 Available - January 2015 Available - August 2015
Price - Rs. 13,999 ($205.87) [Similarly Priced] Rs. 9,700 ($141.99) [Similarly Priced]
Colors White, Black Black, White Black, White, Yellow, Mint Green, Blue
Form Factor Candybar Candybar Candybar
Dimension 132 x 65.8 x 9.2 mm
(5.2 x 2.59 x 0.36 in)
146 x 74.8 x 7.9 mm
(5.75 x 2.94 x 0.31 in)
152 x 76 x 8.3 mm
(5.98 x 2.99 x 0.33 in)
Weight 130 g (4.59 oz) 161 g (5.68 oz) 160 g (5.64 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100, TD-SCDMA
4G Network - LTE 800 / 850 / 900 / 1800 / 2100 / 2600 (Bands 1, 3, 5, 7, 8, 20) LTE band 1(2100), 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)
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, v4.4.2 (KitKat) Android OS, v5.0 (Lollipop) based MIUI 7
Processor Dual-core 1.3 GHz Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 Octa-core 2.0 GHz Cortex-A53, Mediatek MT6795
GPU - Adreno 306 PowerVR G6200
RAM 1 GB 1.5 GB 2 GB
Internal Memory 4 GB 16 GB 16 GB
External Memory microSD, up to 32 GB microSD, up to 64 GB Yes

display Display

Type IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.5 inches 5.25 inches 5.5 inches
Resolution 480 x 854 pixels (218 ppi) 720 x 1280 pixels (280 ppi) 1080 x 1920 pixels (401 ppi)
Screen-to-Body Ratio 64.07% 69.44% 72.02%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 5 MP, 2592 x 1944 pixels 13 MP, 4128 x 3096 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, Face Detection, Panorama, HDR, Wide Selfie, Rear-cam Selfie Phase Detection Auto focus (PDAF), Geo-tagging, Touch Focus, Face/smile Detection, HDR
Video Yes 1080p@30fps 1080p@30fps
Front Camera Yes, 2 MP [Similar] 5 MP, 1080p [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA+ HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL TD-SCDMA
Bluetooth v2.1, A2DP v4.0, BLE, ANT+ v4.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, 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, GLONASS
Browser HTML HTML5 HTML5

memory User Memory

Internal 4 GB, 1 GB RAM 16 GB, 1.5 GB RAM 16 GB, 2 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 64 GB Yes
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 Li-Po Battery
Capacity 1900 mAh 2500 mAh 3060 mAh
Stand by - Up to 386 h -
Talk Time - - -