Phone Comparison - Xiaomi Redmi 2 vs Oppo R7 vs Samsung Galaxy A8

general General Info

Manufacturer Xiaomi Oppo Samsung
Announced January 2015 May 2015 July 2015
Status Available - January 2015 Available - May 2015 Available - August 2015
Price Rs. 5,999 ($88.22) [Similarly Priced] Rs. 17,990 ($264.56) [Similarly Priced] Rs. 26,990 ($396.91) [Similarly Priced]
Colors Black, White, Yellow, Pink, Green Golden, Silver Pearl White, Midnight Black, Champagne Gold
Form Factor Candybar Candybar Candybar
Dimension 134 x 67.2 x 9.4 mm
(5.28 x 2.65 x 0.37 in)
143 x 71 x 6.3 mm
(5.63 x 2.8 x 0.25 in)
158 x 76.8 x 5.9 mm
(6.22 x 3.02 x 0.23 in)
Weight 133 g (4.69 oz) 147 g (5.19 oz) 151 g (5.33 oz)
2G Network GSM 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 (optional)
3G Network HSDPA 850 / 1900 / 2100
TD-SCDMA 1900 / 2100
HSDPA 850 / 900 / 1900 / 2100 - Global, Taiwan
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - USA
HSDPA 850 / 900 / 1900 / 2100
4G Network LTE 1800 / 2600 TD-LTE 1900 / 2300 / 2500 / 2600 (Bands 3, 7, 38, 39, 40, 41) LTE band 1(2100), 3(1800), 7(2600), 8(900), 40(2300) - Global
LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 28(700), 40(2300) - Taiwan
LTE band 1(2100), 3(1800), 4(1700/2100), 7(2600), 17(700), 20(800) - USA
LTE
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail SMS, MMS, EMail, IM
Build Features - Support for Gloved and Wet Touch Input - Fingerprint sensor

hardware Hardware and OS

OS Android OS, v4.4 (KitKat) Android OS, v5.1 (Lollipop) Android OS, v5.1 (Lollipop)
Processor Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU Adreno 306 Adreno 405 Adreno 405
RAM 1 GB 3 GB 2 GB
Internal Memory 8 GB 16 GB 16/32 GB
External Memory microSD, up to 32 GB microSD, up to 128 GB (uses SIM 2 slot) microSD, up to 128 GB (uses SIM 2 slot)

display Display

Type IPS LCD Capacitive Touchscreen AMOLED Capacitive Touchscreen, Corning Gorilla Glass 3 Super AMOLED capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.7 inches 5.0 inches 5.7 inches
Resolution 720 x 1280 pixels (312 ppi) 1080 x 1920 pixels (445 ppi) 1080 x 1920 pixels (386 ppi)
Screen-to-Body Ratio 67.83% 66.54% 73.99%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264 x 2448 pixels 13 MP, 4128 x 3096 pixels, Schneider-Kreuznach O 16 MP, 5312 x 2988 pixels
Flash LED flash LED Flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Sony Sensor, Panorama, Real-time HDR Phase Detection Auto-focus, Geo-tagging, Touch Focus, Face Detection, Colorful Night, Slow Shutter, Expert Mode, Beautify, Ultra HD, Panorama, Audio Photo, GIF, Double Exposure, Super Macro, RAW, HDR, Gorgeous Color Filters, Blurred Background, Fast Lens, Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR
Video Yes, 1080p 1080p@30fps 1080p@30fps
Front Camera 2 MP, 720p [Similar] 8 MP [Similar] 5 MP, 1080p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, LTE Cat4 150/50 Mbps HSPA, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps
Bluetooth v4.0, A2DP v4.0 v4.1, A2DP, EDR, LE
Wi-Fi Wi-Fi 802.11 b/g/n, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n, dual-band, WiFi Direct, hotspot
USB microUSB v2.0 microUSB v2.0, USB Host microUSB v2.0
GPS Yes, with A-GPS, GLONASS, Beidou Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS/ Beidou (market dependant)
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB, 1 GB RAM / 16 GB, 2 GB RAM 16 GB, 3 GB RAM 16/32 GB, 2 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 128 GB (uses SIM 2 slot) microSD, up to 128 GB (uses SIM 2 slot)
USB OTG - Supported -

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint 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 supported

battery Battery

Type Li-Po Battery Non-removable Li-Po Battery Non-removable Li-Ion Battery
Capacity 2200 mAh 2320 mAh 3050 mAh
Stand by - - -
Talk Time - - -