Phone Comparison - Oppo R1 R829T vs Samsung Galaxy A5 Duos vs Xiaomi Mi 4i

general General Info

Manufacturer Oppo Samsung Xiaomi
Announced December 2013 October 2014 April 2015
Status Available - December 2013 Available - November 2014 Available - April 2015
Price - Rs. 18,094 ($266.09) [Similarly Priced] Rs. 8,999 ($132.34) [Similarly Priced]
Colors White, Black Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B Black, White, Blue, Yellow, Pink
Form Factor Candybar Candybar Candybar
Dimension 142.7 x 70.4 x 7.1 mm
(5.62 x 2.77 x 0.28 in)
139.3 x 69.7 x 6.7 mm
(5.48 x 2.74 x 0.26 in)
138.1 x 69.6 x 7.8 mm
(5.44 x 2.74 x 0.31 in)
Weight 140 g (4.94 oz) 123 g (4.34 oz) 130 g (4.59 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 TD-SCDMA 1880-1920/ 2010-2025 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network - LTE LTE
Messaging SMS, MMS, Push Mail, EMail SMS, MMS, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.2.1 (Jelly Bean) Android OS, v4.4.4 (KitKat) Android OS, v5.0 (Lollipop)
Processor Quad-core 1.3 GHz, MediaTek MT6582 Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU Mali-400MP2 Adreno 306 Adreno 405
RAM 1 GB 2 GB 2 GB
Internal Memory 16 GB 16 GB 16/32 GB
External Memory No No No

display Display

Type IPS LCD capacitive touchscreen Super AMOLED capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 5.0 inches 5.0 inches
Resolution 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (294 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio 68.47% 70.85% 71.57%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Stereo FM radio with RDS - FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 8 MP, 3264x2448 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, Panorama, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR
Video Yes, 1080p 1080p@30fps 1080p@30fps
Front Camera Yes, 5 MP [Similar] 5 MP [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA+ HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA, LTE
Bluetooth Yes, v4.0 with A2DP v4.0, A2DP, EDR, LE v4.0, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
USB Yes, microUSB v2.0 microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16 GB, 1 GB RAM 16 GB, 2 GB RAM 16/32 GB, 2 GB RAM
Expandable Storage No No No

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 Non-removable Li-Ion Battery Li-Po Battery
Capacity 2410 mAh 2300 mAh 3120 mAh
Stand by - - -
Talk Time - - -