Phone Comparison - Xiaomi Redmi 1S vs OPPO Neo R831K vs Asus Zenfone C ZC451CG

general General Info

Manufacturer Xiaomi Oppo Asus
Announced May 2014 August 2014 January 2015
Status Available - May 2014 Available - August 2014 Available - February 2015
Price - - Rs. 5,999 ($88.22) [Similarly Priced]
Colors Black, Chinese Red, Metallic Gray/ blue, green, yellow panels White, Black Charcoal Black, Pearl White, Cherry Red
Form Factor Candybar Candybar Candybar
Dimension 137 x 69 x 9.9 mm
(5.39 x 2.72 x 0.39 in)
132 x 65.8 x 9.2 mm
(5.2 x 2.59 x 0.36 in)
136.5 x 67 x 10.9 mm
(5.37 x 2.64 x 0.43 in)
Weight 158 g (5.57 oz) 130 g (4.59 oz) 149 g (5.26 oz)
2G Network GSM 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 1900 / 2100 HSDPA 2100 HSDPA 850 / 900 / 1900 / 2100
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.3 (Jelly Bean) Android OS, v4.2.2 (Jelly Bean) based Color OS Android OS, v4.4.2 (KitKat)
Processor Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8228 Snapdragon Dual-core 1.3 GHz Dual-core 1.2 GHz, Intel Atom Z2520
GPU Adreno 305 - PowerVR SGX544MP2
RAM 1 GB 1 GB 1 GB
Internal Memory 8 GB 4 GB 8 GB
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 64 GB

display Display

Type IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 2 IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.7 inches 4.5 inches 4.5 inches
Resolution 720 x 1280 pixels (312 ppi) 480 x 854 pixels (218 ppi) 480 x 854 pixels (218 ppi)
Screen-to-Body Ratio 64.61% 64.07% 60.85%
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 8 MP, 3264 x 2448 pixels 5 MP, 2592 x 1944 pixels 5 MP, 2592 х 1944 pixels
Flash LED flash LED Flash LED flash
Features Auto focus, 1.4 µm Pixel Size, Geo-tagging, Touch Focus, Face And Smile Detection, HDR Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR Auto focus, Yes
Video 1080p@30fps Yes Yes
Front Camera 1.3 MP, 720p@30fps [Similar] Yes, 2 MP [Similar] VGA [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, HSUPA HSPA+ HSPA 42.2/5.76 Mbps
Bluetooth v4.0, A2DP, LE v2.1, 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, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, hotspot
USB microUSB v2.0, USB On-the-go microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS Yes, with A-GPS Yes, with A-GPS, GLONASS
Browser HTML5 HTML HTML

memory User Memory

Internal 8 GB, 1 GB RAM 4 GB, 1 GB RAM 8 GB, 1 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 GB microSD, up to 64 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-Po Battery Li-Ion Battery Li-Ion Battery
Capacity 2000 mAh 1900 mAh 2100 mAh
Stand by - - -
Talk Time - - -