Phone Comparison - Samsung Galaxy Ace Duos vs Nokia Lumia 630 Dual SIM vs Micromax Unite 2 A106

general General Info

Manufacturer Samsung Nokia Micromax
Announced May 2012 April 2014 May 2014
Status Available - June 2012 Available - May 2014 Available - May 2014
Colors Black Green, yellow, white, black Pristine White, Balmy Green, Mystic Grey, Raging Red
Form Factor Candybar Candybar Candybar
Dimension 112.7 x 61.5 x 11.5 mm
(4.44 x 2.42 x 0.45 in)
129.5 x 66.7 x 9.2 mm
(5.1 x 2.63 x 0.36 in)
138.9 x 71.9 x 9.4 mm
(5.47 x 2.83 x 0.37 in)
Weight 122 g (4.3 oz) 134 g (4.73 oz) 158.5 g (5.57.0.18 oz)
2G Network GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 900 / 2100 HSDPA 900 / 2100 HSDPA 2100
Messaging SMS, MMS SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v2.3 (Gingerbread) Microsoft Windows Phone 8.1 Android OS, v4.4.2 (KitKat)
Processor 832 MHz Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Quad-core 1.3 GHz, Mediatek MT6582M
GPU - Mali-400MP2
RAM N/A 512 MB 1 GB
Internal Memory 3 GB storage, 512 MB 8 GB ROM 4/8 GB (0.89 GB for apps, 1.67 GB for mass storage)
External Memory microSD, up to 32 GB microSD, up to 128 GB microSD, up to 32 GB

display Display

Type TFT capacitive touchscreen IPS LCD Capacitive Touchscreen IPS LCD Capacitive Touchscreen
Colors 16M colors 16M colors 16.7M colors
Size 3.5 inches 4.5 inches 4.7 inches
Resolution 320 x 480 pixels (165 ppi) 480 x 854 pixels (218 ppi) 480 x 800 pixels (199 ppi)
Screen-to-Body Ratio 52.52% 64.43% 62.64%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Stereo FM radio with RDS FM radio FM Radio with Recording
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 5 MP, 2592x1944 pixels 5 MP, 2592 х 1944 pixels 5 MP, 2592x1944 pixels
Flash No No LED flash
Features Auto focus, Geo-tagging Auto focus, 1/4' Sensor Size, Geo-tagging, Panorama Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR
Video Yes Yes, 720p@30fps Yes, 1080p
Front Camera No [Similar] No [Similar] Yes, 2 MP, 720p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 7.2 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v3.0 with A2DP Yes, v4.0 with A2DP Yes, v4.0 with A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0, USB On-the-go
GPS Yes, with A-GPS support Yes, with A-GPS support and GLONASS Yes, with A-GPS support
Browser HTML HTML5 HTML5

memory User Memory

Internal 3GB storage, 512 MB 8 GB ROM, 512 MB RAM 4/8 GB (0.89 GB for apps, 1.67 GB for mass storage), 1 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 128 GB microSD, up to 32 GB
USB OTG - - Supported

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor not 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 Standard battery, Li-Ion Li-Ion Battery (BL-5H) Li-Ion Battery
Capacity 1300 mAh 1830 mAh 2000 mAh
Stand by Up to 520 h (2G)
Up to 410 h (3G)
Up to 648 h Up to 190 h
Talk Time Up to 6 h 30 min (2G)
Up to 16 h 40 min (3G)
Up to 16 h 24 min (2G)
Up to 13 h 6 min (3G)
Up to 8 h