Phone Comparison - Micromax A25 Smarty vs Karbonn Titanium Octane Plus vs Microsoft Lumia 535 Dual SIM

general General Info

Manufacturer Micromax Karbonn Microsoft
Announced October 2012 March 2014 November 2014
Status Available - October 2012 Available - April 2014 Available - November 2014
Price - - Rs. 7,999 ($117.63) [Similarly Priced]
Colors Black Black, White Orange, green, white, black, gray, blue
Form Factor Candybar Candybar Candybar
Dimension 104.5 x 56 x 13 mm
(4.11 x 2.2 x 0.51 in)
147.3 x 72.6 x 7.6 mm
(5.8 x 2.86 x 0.3 in)
140.2 x 72.4 x 8.8 mm
(5.52 x 2.85 x 0.35 in)
Weight 102 g (3.6 oz) - 146 g (5.15 oz)
2G Network GSM 900 / 1800 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G Network N/A HSDPA 2100 HSDPA 900 / 2100
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v2.3.6 (Gingerbread) Android OS, v4.4 (KitKat) Microsoft Windows Phone 8.1
Processor 1 GHz Octa-core 1.7 GHz, Mediatek MT6592 Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 200
GPU - Mali-450MP4 Adreno 302
RAM 256 MB 2 GB 1 GB
Internal Memory 120 MB storage 16 GB ROM 8 GB
External Memory microSD, up to 32 GB microSD, up to 32 GB microSD, up to 128 GB

display Display

Type TFT capacitive touchscreen IPS LCD Capacitive Touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3
Colors 256K colors 16M colors 16M colors
Size 2.8 inches 5.0 inches 5.0 inches
Resolution 240 x 320 pixels (143 ppi) 1080 x 1920 pixels (441 ppi) 540 x 960 pixels (220 ppi)
Screen-to-Body Ratio 41.40% 64.32% 68.08%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio FM Radio with Recording 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 16 MP, 4616 x 3464 pixels 5 MP, 2592 x 1936 pixels
Flash No LED flash LED flash
Features - Auto focus, Geo-tagging, Touch Focus, Face Detection, 360 degree Panorama, HDR, Image Stabilization Auto focus, 1/4' Sensor Size, Geo-tagging
Video Yes Yes, 1080p@30fps 480p@30fps
Front Camera No [Similar] Yes, 5 MP, 1080p [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 Up to 236 kbps
3G N/A HSDPA, 42.2 Mbps, HSUPA, 11.5 Mbps HSPA 42.2/5.76 Mbps
Bluetooth Yes, v2.1 Yes, v4.0 v4.0, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 microUSB v2.0
GPS No Yes, with A-GPS support Yes, with A-GPS, GLONASS
Browser HTML HTML5 HTML5

memory User Memory

Internal 120 MB storage, 256 MB RAM, 512 MB ROM 16 GB ROM, 2 GB RAM 8 GB, 1 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 32 GB microSD, up to 128 GB

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 Li-Po battery Li-Ion Battery (BL-L4A)
Capacity 1280 mAh 2000 mAh 1905 mAh
Stand by Up to 180 h - Up to 336 h
Talk Time Up to 4 h - Up to 11 h (2G)
Up to 13 h (3G)