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Phone	HTC G2	Samsung SGH-A127	Ericsson T66	Samsung SGH-E640	HP Elite x3
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.7" diag. 5 : 3	?	?	?	6" diag. 16 : 9
Display Resolution & Type	480 x 800 pixels (~252 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (STN)	?	176 x 220 pixels LCD (TFT/TFD)	1440 x 2560 pixels (~493 ppi) AMOLED
Display Refresh	60 Hz	?	?	?	?
Battery	1,300 mAh	800 mAh	?	800 mAh	4,150 mAh
Processor	800 MHz Qualcomm S2 MSM7230	?	?	?	2.2 GHz Qualcomm Snapdragon 820 (MSM8996)
RAM	?	?	?	?	4 GB
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	64 GB
Main Camera	5 megapixel	Yes	-	1 megapixel	16 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	-	-	QCIF (176 x 144)	4K UHD
Front Camera	-	-	-	-	8 megapixel
Weight	6.5 oz (184g)	2.86 oz (81g)	2.08 oz (59g)	3.17 oz (90g)	6.84 oz (194g)
Dimensions	4.68" x 2.37" x 0.55" (119 x 60 x 14 mm)	3.39" x 1.67" x 0.76" (86 x 42 x 19.3 mm)	3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm)	3.37" x 1.78" x 0.93" (86 x 45 x 23.6 mm)	6.36" x 3.29" x 0.31" (162 x 84 x 7.9 mm)
Form Factor	Slab	Clamshell	Slab	Clamshell	Slab
Platform / OS	Android	(proprietary)	(proprietary)	(proprietary)	Windows
Network Bands	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900	GSM: 850, 1900	GSM: 900, 1800, 1900	GSM: 900, 1800, 1900	4G LTE: 1, 2, 3, 4, 5, 7, 12, 17, 20, 29, 30 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900
Data Technology	HSPA 14.4	GPRS	-	GPRS	LTE (Cat 6)
Features
Barometer	-	-	-	-	Yes
Fingerprint Reader	-	-	-	-	Yes
Flashlight	-	-	-	-	Yes
GPS / Location	n/a	-	-	-	n/a
Water-Resistant	-	-	-	-	Yes IPX7 (snorkeling)
Accessibility
Hearing Aid Compatible	Yes M3 (mostly compatible)	-	-	-	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	Yes	Yes	Yes	n/a
TTY/TDD (Digital)	-	Yes	-	-	Yes
Alerts
Extra Display	-	Yes	-	Yes	-
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	Yes	-	-	Yes	Yes
Mobile Hotspot	n/a	-	-	-	n/a
NFC	-	-	-	-	Yes
USB	Yes	-	-	Yes	Yes USB Type C
Wi-Fi	Yes 4 (802.11 b,g,n)	-	-	-	Yes 5 (802.11 a,ac,b,g,n)
Contacts
Picture ID	n/a	-	-	Yes	n/a
Ringer ID	n/a	Yes	-	Yes	n/a
Voice Dialing	n/a	-	-	-	n/a
Customization
Custom Graphics	n/a	Yes	Yes	Yes	n/a
Custom Ringtones	n/a	Yes	Yes	Yes	n/a
Real-Music Ringers	n/a	-	-	Yes	n/a
Data & Network
Dual-SIM	-	-	-	-	Yes *
WAP / Web Browser	n/a	Yes	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	-	-
Touch Screen	Yes Capacitive	-	-	-	Yes Capacitive
Memory
Memory Card Slot	Yes	-	-	-	Yes
Messaging
Email Client	n/a	-	-	Yes	n/a
EMS / Picture Messaging	n/a	-	Yes	Yes	n/a
Instant Messaging	n/a	-	-	-	n/a
MMS	n/a	Yes	-	Yes	n/a
Text Messaging Templates	n/a	Yes	Yes	Yes	n/a
Music
Headphone Jack (3.5mm)	Yes	-	-	-	Yes
Music Player	n/a	-	-	Yes	n/a
Stereo Speakers	-	-	-	-	Yes
Photo & Video
Miracast	-	-	-	-	Yes
TV Output	-	-	-	-	Yes
Power
Wireless Charging	-	-	-	-	Yes
Productivity
Alarm	n/a	Yes	Yes	Yes	n/a
Calculator	n/a	Yes	Yes	Yes	n/a
Calendar	n/a	Yes	Yes	Yes	n/a
To-Do List	n/a	Yes	Yes	Yes	n/a
Voice Memo	n/a	Yes	-	Yes	n/a
Software
Games	n/a	Yes	Yes	Yes	n/a
Java (J2ME)	n/a	Yes	-	Yes	n/a
Voice
Speaker Phone	Yes	Yes	-	Yes	Yes
	* Some versions only
	HTC G2	Samsung SGH-A127	Ericsson T66	Samsung SGH-E640	HP Elite x3
	X >	< X >	< X >	< X >	< X

NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	HTC G2	Samsung SGH-A127	Ericsson T66	Samsung SGH-E640	HP Elite x3