Phone Comparison - HTC Desire 820 vs Sony Xperia M4 Aqua vs Microsoft Lumia 640 LTE

general General Info

Manufacturer HTC Sony Microsoft
Announced September 2014 March 2015 March 2015
Status Coming Soon - September 2014 Available - April 2015 Available - April 2015
Price - Rs. 19,400 ($285.29) [Similarly Priced] Rs. 7,999 ($117.63) [Similarly Priced]
Colors Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tang Black, White, Copper, Silver Yes
Form Factor Candybar Candybar Candybar
Dimension 157.7 x 78.7 x 7.7 mm
(6.21 x 3.1 x 0.3 in)
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)
Weight 155 g (5.47 oz) 136 g (4.8 oz) 145 g (5.11 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 - EMEA version
HSDPA 900 / 2100 - Asia version
HSDPA 850 / 900 / 2100
HSDPA 850 / 1700 / 1900 / 2100
HSDPA 850 / 900 / 2100
4G Network LTE 900 / 1800 / 2100 / 2600 - EMEA version LTE 800 / 850 / 900 / 1800 / 2100 / 2600
(Bands 1, 3, 5, 7, 8, 20)
LTE
Messaging SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, 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, v4.4.2 (KitKat) Android OS, v5.0.x (Lollipop) Microsoft Windows Phone 8.1 with Lumia Denim
Processor Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 1.5GHz Octa-core, Qualcomm MSM8939 Snapdragon 615 Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400
GPU Adreno 405 Adreno 405 Adreno 305
RAM 2 GB 2 GB 1 GB
Internal Memory 16 GB 8 GB 8 GB
External Memory microSD, up to 128 GB microSD, up to 128 GB microSD, up to 128 GB

display Display

Type LCD Capacitive Touchscreen IPS LCD Capacitive Touchscreen, Scratch-resistant Glass IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 5.0 inches 5.0 inches
Resolution 720 x 1280 pixels (267 ppi) 720 x 1280 pixels (294 ppi) 720 x 1280 pixels (294 ppi)
Screen-to-Body Ratio 67.20% 67.44% 67.43%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No FM radio with RDS FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 13 MP, 4160 x 3120 pixels 13 MP, 4128 x 3096 pixels 8 MP, 3264 x 2448 pixels
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR Auto focus, Geo-tagging, Touch Focus, Face/smile Detection, HDR, Panorama Auto focus, 1/4'' Sensor Size
Video 1080p@30fps, 720p@60fps 1080p@30fps, HDR 1080p@30fps
Front Camera 8 MP, 1080p [Similar] 5 MP [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 HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Bluetooth v4.0, A2DP v4.1, A2DP, apt-X v4.0, A2DP
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot Wi-Fi 802.11 b/g/n, DLNA, hotspot
USB microUSB v2.0 microUSB v2.0, 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 16 GB, 2 GB RAM 8 GB, 2 GB RAM 8 GB, 1 GB RAM
Expandable Storage microSD, up to 128 GB microSD, up to 128 GB microSD, up to 128 GB
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 not supported NFC supported NFC supported

battery Battery

Type Non-removable Li-Po Battery Non-removable Li-Ion Battery Li-Ion Battery
Capacity 2600 mAh 2400 mAh 2500 mAh
Stand by Up to 424 h (3G) - Up to 864 h (2G)
Up to 864 h (3G)
Talk Time Up to 22 h 24 min (3G) - Up to 26 h 30 min (2G)
Up to 17 h 30 min (3G)