Phone Comparison - Micromax A25 Smarty vs Asus Zenfone 5 vs Xiaomi Redmi Note 4G

general General Info

Manufacturer Micromax Asus Xiaomi
Announced October 2012 January 2014 August 2014
Status Available - October 2012 Available - June 2014 Available - November 2014
Colors Black Black, White, Red, Blue, Gold Black/White
Form Factor Candybar Candybar Candybar
Dimension 104.5 x 56 x 13 mm
(4.11 x 2.2 x 0.51 in)
148.2 x 72.8 x 5.5-10.3
(5.83 x 2.87 x 0.22-0.41)
154 x 78.7 x 9.5 mm
(6.06 x 3.1 x 0.37 in)
Weight 102 g (3.6 oz) 140 g (4.94 oz) 199 g (7.02 oz)
2G Network GSM 900 / 1800 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 GSM 900 / 1800 / 1900
3G Network N/A HSDPA 850 / 900 / 1900 / 2100 TD-SCDMA 1900 / 2000
4G Network - - TD-LTE 1900 / 2300 / 2600
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v2.3.6 (Gingerbread) Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat) Android OS, v4.2 (Jelly Bean)
Processor 1 GHz Dual-core 2.0 GHz / Dual-core 1.6 GHz, Intel Atom Z2580/Z2560 Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8928 Snapdragon 400
GPU - PowerVR SGX544MP2 Adreno 305
RAM 256 MB 1/2 GB 2 GB
Internal Memory 120 MB storage 8/16 GB 8 GB
External Memory microSD, up to 32 GB microSD, up to 64 GB microSD, up to 64 GB

display Display

Type TFT capacitive touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 IPS LCD capacitive touchscreen
Colors 256K colors 16M colors 16M colors
Size 2.8 inches 5.0 inches 5.5 inches
Resolution 240 x 320 pixels (143 ppi) 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (267 ppi)
Screen-to-Body Ratio 41.40% 63.76% 68.82%
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 1.3 MP, 1280 x 1024 pixels 8 MP, 3264 x 2448 pixels 13 MP, 4128 x 3096 pixels
Flash No LED flash LED flash
Features - Auto focus, Geo-tagging, Touch Focus, Face Detection Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR
Video Yes Yes 1080p@30fps
Front Camera No [Similar] Yes, 2 MP [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps Yes Yes
Edge Class 12 Yes Yes
3G N/A HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps TD-SCDMA; LTE
Bluetooth Yes, v2.1 Yes, v4.0 with A2DP, EDR v4.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 b/g/n 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 Direct, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 microUSB v2.0, USB On-the-go
GPS No Yes, with A-GPS support Yes, with A-GPS, GLONASS
Browser HTML HTML HTML5

memory User Memory

Internal 120 MB storage, 256 MB RAM, 512 MB ROM 8/16 GB, 1/2 GB RAM 8 GB, 2 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 64 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-Ion Battery Non-removable Li-Po Battery Li-Po Battery
Capacity 1280 mAh 2110 mAh 3200 mAh
Stand by Up to 180 h Up to 353 h (3G) Up to 775 h (3G)
Talk Time Up to 4 h Up to 18 h 30 min (3G) Up to 38 h (2G)
Up to 14 h (3G)