HTC Windows Phone 8X vs Microsoft Lumia 640 Dual SIM vs Microsoft Lumia 640 XL Dual SIM

General Info

Manufacturer
HTC	Microsoft	Microsoft
Announced
September 2012	March 2015	March 2015
Status
Available - November 2012	Available - April 2015	Available - April 2015
Price
-	Rs. 8,999 ($132.34) [Similarly Priced]	Rs. 12,999 ($191.16) [Similarly Priced]
Colors
Blue, Black, Yellow, Red	Yes	Matte cyan, Orange, Black, Matte white, Glossy white
Form Factor
Candybar	Candybar	Candybar
Dimension
132.3 x 66.2 x 10.1 mm (5.21 x 2.61 x 0.4 in)	141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)	157.9 x 81.5 x 9 mm (6.22 x 3.21 x 0.35 in)
Weight
130 g (4.59 oz)	145 g (5.11 oz)	171 g (6.03 oz)
2G Network
GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network
HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 1900 / 2100
Messaging
SMS, MMS, Push Mail, EMail, IM	SMS, MMS, Push Mail, EMail, IM	SMS, MMS, Push Mail, EMail, IM

OS
Windows Phone 8	Microsoft Windows Phone 8.1 with Lumia Denim	Microsoft Windows Phone 8.1 with Lumia Denim
Processor
Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon	Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400	Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400
GPU
Adreno 225	Adreno 305	Adreno 305
RAM
1 GB	1 GB	1 GB
Internal Memory
16 GB storage	8 GB	8 GB
External Memory
microSD, up to 32GB	microSD, up to 128 GB	microSD, up to 128 GB

Type
S-LCD2 capacitive touchscreen	IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display	IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3, ClearBlack Display
Colors
16M colors	16M colors	16M colors
Size
4.3 inches	5.0 inches	5.7 inches
Resolution
720 x 1280 pixels (342 ppi)	720 x 1280 pixels (294 ppi)	720 x 1280 pixels (259 ppi)
Screen-to-Body Ratio
58.04%	67.43%	68.88%
Multi-Touch

Rear Camera
8 MP, 3264 x 2448 pixels	8 MP, 3264 x 2448 pixels	13 MP, 4128 x 3096 pixels
Flash
28mm wide	LED flash	LED Flash
Features
Auto focus, Geo-tagging, Touch Focus	Auto focus, 1/4'' Sensor Size	Auto focus, Carl Zeiss Optics, 1/3'' Sensor Size
Video
Yes, 1080p@30fps, continuous autofocus, video light	1080p@30fps	1080p@30fps
Front Camera
Yes, 2.1 MP, 1080p video	1 MP, 720p	5 MP, 1080p

GPRS
Yes	Yes	Yes
Edge
Yes	Yes	Yes
3G
HSDPA; HSUPA	HSPA 42.2/5.76 Mbps	HSPA 42.2/5.76 Mbps
Bluetooth
Yes, v2.1 with A2DP, EDR	v4.0, A2DP	v4.0, A2DP
Wi-Fi
Wi-Fi 802.11 a/b/g/n, dual-band	Wi-Fi 802.11 b/g/n, DLNA, hotspot	Wi-Fi 802.11 b/g/n, DLNA, hotspot
USB
Yes, microUSB v2.0	microUSB v2.0	microUSB v2.0
GPS
Yes, with A-GPS support and GLONASS	Yes, with A-GPS, GLONASS, Beidou	Yes, with A-GPS, GLONASS, Beidou
Browser
HTML5	HTML5	HTML5