• Xiaomi Redmi Note 4G vs Sony Xperia M2 Aqua vs Microsoft Lumia 640 LTE

Phone Comparison - Xiaomi Redmi Note 4G vs Sony Xperia M2 Aqua vs Microsoft Lumia 640 LTE

general General Info

Manufacturer Xiaomi Sony Microsoft
Announced August 2014 August 2014 March 2015
Status Available - November 2014 Available - September 2014 Available - April 2015
Price - - Rs. 7,999 ($117.63) [Similarly Priced]
Colors Black/White Black, White, Golden Yes
Form Factor Candybar Candybar Candybar
Dimension 154 x 78.7 x 9.5 mm
(6.06 x 3.1 x 0.37 in)
140 x 72 x 8.6 mm
(5.51 x 2.83 x 0.34 in)
141.3 x 72.2 x 8.8 mm
(5.56 x 2.84 x 0.35 in)
Weight 199 g (7.02 oz) 149 g (5.26 oz) 145 g (5.11 oz)
2G Network GSM 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - all models GSM 850 / 900 / 1800 / 1900
3G Network TD-SCDMA 1900 / 2000 HSDPA 850 / 900 / 2100 - D2403
HSDPA 850 / 1700 / 1900 / 2100 - D2406
HSDPA 850 / 900 / 2100
4G Network TD-LTE 1900 / 2300 / 2600 LTE 800 / 850 / 900 / 1800 / 2100 / 2600 - D2403 LTE
Messaging SMS, MMS, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM
Build Features - - IP65/IP68 certified - dust and water proof up to 1.5 meter and 30 minutes -

hardware Hardware and OS

OS Android OS, v4.2 (Jelly Bean) Android OS, v4.4.2 (KitKat) Microsoft Windows Phone 8.1 with Lumia Denim
Processor Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8928 Snapdragon 400 Quad-core 1.2 GHz Cortex-A7, Qualcomm MSM8926-2 Snapdragon 400 Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400
GPU Adreno 305 Adreno 305 Adreno 305
RAM 2 GB 1 GB 1 GB
Internal Memory 8 GB 8 GB 8 GB
External Memory microSD, up to 64 GB microSD, up to 32 GB microSD, up to 128 GB

display Display

Type IPS LCD capacitive touchscreen IPS LCD Capacitive Touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 4.8 inches 5.0 inches
Resolution 720 x 1280 pixels (267 ppi) 540 x 960 pixels (229 ppi) 720 x 1280 pixels (294 ppi)
Screen-to-Body Ratio 68.82% 63.27% 67.43%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 13 MP, 4128 x 3096 pixels 8 MP, 3264 x 2448 pixels 8 MP, 3264 x 2448 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR, Panorama Auto focus, 1/4'' Sensor Size
Video 1080p@30fps 1080p@30fps, HDR 1080p@30fps
Front Camera 5 MP [Similar] VGA, 480p [Similar] 1 MP, 720p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Up to 107 kbps Yes
Edge Yes Up to 296 kbps Yes
3G TD-SCDMA; LTE HSDPA, 42 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth v4.0, A2DP, LE v4.0, A2DP, apt-X, LE v4.0, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 b/g/n, DLNA, hotspot
USB microUSB v2.0, USB On-the-go microUSB v2.0, USB On-the-go, USB Host microUSB v2.0
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, Beidou
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB, 2 GB RAM 8 GB, 1 GB RAM 8 GB, 1 GB RAM
Expandable Storage microSD, up to 64 GB microSD, up to 32 GB microSD, up to 128 GB
USB OTG Supported 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 supported NFC supported

battery Battery

Type Li-Po Battery Non-removable Li-Ion Battery Li-Ion Battery
Capacity 3200 mAh 2300 mAh 2500 mAh
Stand by Up to 775 h (3G) Up to 595 h (2G)
Up to 641 h (3G)
Up to 864 h (2G)
Up to 864 h (3G)
Talk Time Up to 38 h (2G)
Up to 14 h (3G)
Up to 11 h 23 min (2G)
Up to 12 h 11 min (3G)
Up to 26 h 30 min (2G)
Up to 17 h 30 min (3G)