Phone Comparison - Nokia Lumia 730 Dual SIM vs Xiaomi Redmi 2 vs Microsoft Lumia 640 LTE

general General Info

Manufacturer Nokia Xiaomi Microsoft
Announced September 2014 January 2015 March 2015
Status Available - September 2014 Available - January 2015 Available - April 2015
Price - Rs. 5,999 ($88.22) [Similarly Priced] Rs. 7,999 ($117.63) [Similarly Priced]
Colors Orange, green, white, black Black, White, Yellow, Pink, Green Yes
Form Factor Candybar Candybar Candybar
Dimension 134.7 x 68.5 x 8.9 mm
(5.3 x 2.7 x 0.35 in)
134 x 67.2 x 9.4 mm
(5.28 x 2.65 x 0.37 in)
141.3 x 72.2 x 8.8 mm
(5.56 x 2.84 x 0.35 in)
Weight 134 g (4.73 oz) 133 g (4.69 oz) 145 g (5.11 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1900 / 2100
TD-SCDMA 1900 / 2100
HSDPA 850 / 900 / 2100
4G Network - LTE 1800 / 2600 TD-LTE 1900 / 2300 / 2500 / 2600 (Bands 3, 7, 38, 39, 40, 41) LTE
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM
Build Features ClearBlack display - -

hardware Hardware and OS

OS Microsoft Windows Phone 8.1 Android OS, v4.4 (KitKat) Microsoft Windows Phone 8.1 with Lumia Denim
Processor Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400
GPU Adreno 305 Adreno 306 Adreno 305
RAM 1 GB 1 GB 1 GB
Internal Memory 8 GB 8 GB 8 GB
External Memory microSD, up to 128 GB microSD, up to 32 GB microSD, up to 128 GB

display Display

Type AMOLED Capacitive Touchscreen, Corning Gorilla Glass 3 IPS LCD Capacitive Touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display
Colors 16M colors 16M colors 16M colors
Size 4.7 inches 4.7 inches 5.0 inches
Resolution 720 x 1280 pixels (312 ppi) 720 x 1280 pixels (312 ppi) 720 x 1280 pixels (294 ppi)
Screen-to-Body Ratio 66.20% 67.83% 67.43%
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 6.7 MP, Carl Zeiss optics 8 MP, 3264 x 2448 pixels 8 MP, 3264 x 2448 pixels
Flash LED flash LED flash LED flash
Features Auto focus, 1/3.4'' Sensor Size, Geo-tagging, Face Detection, Panorama Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Sony Sensor, Panorama, Real-time HDR Auto focus, 1/4'' Sensor Size
Video 1080p@30fps, stereo sound rec. Yes, 1080p 1080p@30fps
Front Camera 5 MP, 720p [Similar] 2 MP, 720p [Similar] 1 MP, 720p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Up to 296 kbps Yes Yes
3G HSDPA, 21.1 Mbps; HSUPA, 5.76 Mbps HSPA, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth v4.0, A2DP v4.0, A2DP v4.0, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, hotspot Wi-Fi 802.11 b/g/n, DLNA, hotspot
USB microUSB v2.0 microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS, GLONASS, Beidou Yes, with A-GPS, GLONASS, Beidou Yes, with A-GPS, GLONASS, Beidou
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB, 1 GB RAM 8 GB, 1 GB RAM / 16 GB, 2 GB RAM 8 GB, 1 GB RAM
Expandable Storage microSD, up to 128 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 supported NFC not supported NFC supported

battery Battery

Type Li-Ion Battery (BV-T5A) Li-Po Battery Li-Ion Battery
Capacity 2200 mAh 2200 mAh 2500 mAh
Stand by Up to 600 h - Up to 864 h (2G)
Up to 864 h (3G)
Talk Time Up to 22 h (2G)
Up to 17 h (3G)
- Up to 26 h 30 min (2G)
Up to 17 h 30 min (3G)