Phone Comparison - HTC Desire 820 vs HTC Desire 320 vs Microsoft Lumia 640 LTE

general General Info

Manufacturer HTC HTC Microsoft
Announced September 2014 January 2015 March 2015
Status Coming Soon - September 2014 Available - January 2015 Available - April 2015
Price - Rs. 6,820 ($99.99) [Similarly Priced] Rs. 7,999 ($117.63) [Similarly Priced]
Colors Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tang Meridian Gray, White 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)
132 x 67.8 x 10.5 mm
(5.2 x 2.67 x 0.41 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) 145 g (5.11 oz) 145 g (5.11 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 - EMEA version
HSDPA 900 / 2100 - Asia version
HSDPA 850 / 1900 - North America
HSDPA 900 / 2100 - EU
HSDPA 850 / 900 / 2100
4G Network LTE 900 / 1800 / 2100 / 2600 - EMEA version - LTE
Messaging SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Android OS, v4.4.2 (KitKat) Android OS, v4.4.2 (KitKat) 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 Quad-core 1.3 GHz Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400
GPU Adreno 405 - Adreno 305
RAM 2 GB 1 GB 1 GB
Internal Memory 16 GB 4 GB, 512 MB (North America)
8 GB
8 GB
External Memory microSD, up to 128 GB microSD, up to 32 GB microSD, up to 128 GB

display Display

Type LCD Capacitive Touchscreen TFT capacitive touchscreen IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display
Colors 16M colors - 16M colors
Size 5.5 inches 4.5 inches 5.0 inches
Resolution 720 x 1280 pixels (267 ppi) 480 x 854 pixels (218 ppi) 720 x 1280 pixels (294 ppi)
Screen-to-Body Ratio 67.20% 62.18% 67.43%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No FM radio (EU model only) FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 13 MP, 4160 x 3120 pixels 5 MP, 2592 х 1944 pixels / LED flash (EU m 8 MP, 3264 x 2448 pixels
Flash LED flash No LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR Yes Auto focus, 1/4'' Sensor Size
Video 1080p@30fps, 720p@60fps 1080p 1080p@30fps
Front Camera 8 MP, 1080p [Similar] VGA [Similar] 1 MP, 720p [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL HSPA 21.1/5.76 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 a/b/g/n, dual-band, Wi-Fi Direct, 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 Yes, with A-GPS Yes, with A-GPS, GLONASS, Beidou
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16 GB, 2 GB RAM 4 GB, 512 MB (North America)
8 GB, 1 GB RAM (EU)
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 not present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
NFC NFC not supported NFC not supported NFC supported

battery Battery

Type Non-removable Li-Po Battery Li-Ion Battery Li-Ion Battery
Capacity 2600 mAh 2100 mAh 2500 mAh
Stand by Up to 424 h (3G) Up to 690 h (3G) Up to 864 h (2G)
Up to 864 h (3G)
Talk Time Up to 22 h 24 min (3G) Up to 12 h (3G) Up to 26 h 30 min (2G)
Up to 17 h 30 min (3G)