Phone Comparison - Sony Xperia M4 Aqua vs Microsoft Lumia 640 LTE vs Xiaomi Mi 4i

general General Info

Manufacturer Sony Microsoft Xiaomi
Announced March 2015 March 2015 April 2015
Status Available - April 2015 Available - April 2015 Available - April 2015
Price Rs. 19,400 ($285.29) [Similarly Priced] Rs. 7,999 ($117.63) [Similarly Priced] Rs. 8,999 ($132.34) [Similarly Priced]
Colors Black, White, Copper, Silver Yes Black, White, Blue, Yellow, Pink
Form Factor Candybar Candybar Candybar
Dimension 140.5 x 72.6 x 7.3 mm
(5.53 x 2.86 x 0.29 in)
141.3 x 72.2 x 8.8 mm
(5.56 x 2.84 x 0.35 in)
138.1 x 69.6 x 7.8 mm
(5.44 x 2.74 x 0.31 in)
Weight 136 g (4.8 oz) 145 g (5.11 oz) 130 g (4.59 oz)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 2100
HSDPA 850 / 1700 / 1900 / 2100
HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE 800 / 850 / 900 / 1800 / 2100 / 2600
(Bands 1, 3, 5, 7, 8, 20)
LTE LTE
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM
Build Features - IP68 Certified - Dust and Water Proof up to 1.5 Meter and 30 Minutes - -

hardware Hardware and OS

OS Android OS, v5.0.x (Lollipop) Microsoft Windows Phone 8.1 with Lumia Denim Android OS, v5.0 (Lollipop)
Processor 1.5GHz Octa-core, Qualcomm MSM8939 Snapdragon 615 Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Quad-core 1.7 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615
GPU Adreno 405 Adreno 305 Adreno 405
RAM 2 GB 1 GB 2 GB
Internal Memory 8 GB 8 GB 16/32 GB
External Memory microSD, up to 128 GB microSD, up to 128 GB No

display Display

Type IPS LCD Capacitive Touchscreen, Scratch-resistant Glass IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.0 inches 5.0 inches 5.0 inches
Resolution 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (294 ppi) 1080 x 1920 pixels (441 ppi)
Screen-to-Body Ratio 67.44% 67.43% 71.57%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio with RDS FM radio 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 13 MP, 4128 x 3096 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama Auto focus, 1/4'' Sensor Size Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, Panorama, HDR
Video 1080p@30fps, HDR 1080p@30fps 1080p@30fps
Front Camera 5 MP [Similar] 1 MP, 720p [Similar] 5 MP [Similar]

connectivity Connectivity and Data Rate

GPRS Up to 107 kbps Yes Yes
Edge Up to 296 kbps Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA, LTE
Bluetooth v4.1, A2DP, apt-X v4.0, A2DP v4.0, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot Wi-Fi 802.11 b/g/n, DLNA, hotspot Wi-Fi 802.11 a/b/g/n, dual-band, hotspot
USB microUSB v2.0, USB Host microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, Beidou Yes, with A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 8 GB, 2 GB RAM 8 GB, 1 GB RAM 16/32 GB, 2 GB RAM
Expandable Storage microSD, up to 128 GB microSD, up to 128 GB No
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 supported NFC supported NFC not supported

battery Battery

Type Non-removable Li-Ion Battery Li-Ion Battery Li-Po Battery
Capacity 2400 mAh 2500 mAh 3120 mAh
Stand by - Up to 864 h (2G)
Up to 864 h (3G)
-
Talk Time - Up to 26 h 30 min (2G)
Up to 17 h 30 min (3G)
-