Phone Comparison - Xiaomi Redmi 2 vs Asus Zenfone C ZC451CG vs Xiaomi Mi 4i

general General Info

Manufacturer Xiaomi Asus Xiaomi
Announced January 2015 January 2015 April 2015
Status Available - January 2015 Available - February 2015 Available - April 2015
Price Rs. 5,999 ($88.22) [Similarly Priced] Rs. 5,999 ($88.22) [Similarly Priced] Rs. 8,999 ($132.34) [Similarly Priced]
Colors Black, White, Yellow, Pink, Green Charcoal Black, Pearl White, Cherry Red Black, White, Blue, Yellow, Pink
Form Factor Candybar Candybar Candybar
Dimension 134 x 67.2 x 9.4 mm
(5.28 x 2.65 x 0.37 in)
136.5 x 67 x 10.9 mm
(5.37 x 2.64 x 0.43 in)
138.1 x 69.6 x 7.8 mm
(5.44 x 2.74 x 0.31 in)
Weight 133 g (4.69 oz) 149 g (5.26 oz) 130 g (4.59 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
3G Network HSDPA 850 / 1900 / 2100
TD-SCDMA 1900 / 2100
HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE 1800 / 2600 TD-LTE 1900 / 2300 / 2500 / 2600 (Bands 3, 7, 38, 39, 40, 41) - LTE
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.4 (KitKat) Android OS, v4.4.2 (KitKat) Android OS, v5.0 (Lollipop)
Processor Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 Dual-core 1.2 GHz, Intel Atom Z2520 Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU Adreno 306 PowerVR SGX544MP2 Adreno 405
RAM 1 GB 1 GB 2 GB
Internal Memory 8 GB 8 GB 16/32 GB
External Memory microSD, up to 32 GB microSD, up to 64 GB No

display Display

Type IPS LCD Capacitive Touchscreen IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.7 inches 4.5 inches 5.0 inches
Resolution 720 x 1280 pixels (312 ppi) 480 x 854 pixels (218 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio 67.83% 60.85% 71.57%
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 х 1944 pixels 13 MP, 4128 x 3096 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Sony Sensor, Panorama, Real-time HDR Auto focus, Yes Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR
Video Yes, 1080p Yes 1080p@30fps
Front Camera 2 MP, 720p [Similar] VGA [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

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

memory User Memory

Internal 8 GB, 1 GB RAM / 16 GB, 2 GB RAM 8 GB, 1 GB RAM 16/32 GB, 2 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 64 GB 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 not supported NFC not supported

battery Battery

Type Li-Po Battery Li-Ion Battery Li-Po Battery
Capacity 2200 mAh 2100 mAh 3120 mAh
Stand by - - -
Talk Time - - -