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Phone	Samsung SGH-X640	Samsung SGH-T819	HTC G2	Coolpad REVVL Plus	HP iPAQ 610 Business Navigator
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Not yet released
Display Size	?	?	3.7" diag. 5 : 3	6" diag. 16 : 9	2.8" diag. 4 : 3
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	480 x 800 pixels (~252 ppi) LCD (TFT/TFD)	1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD)	240 x 320 pixels (~143 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	60 Hz	?
Battery	800 mAh	?	1,300 mAh	3,380 mAh	1,590 mAh
Processor	?	?	800 MHz Qualcomm S2 MSM7230	2 GHz Qualcomm Snapdragon 625 (MSM8953)	520 MHz Marvell PXA270
RAM	?	?	?	2 GB	?
Storage	? raw hardware	? raw hardware	? raw hardware	32 GB	? raw hardware
Main Camera	Yes	1 megapixel	5 megapixel	13 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	QCIF (176 x 144)	720p HD	1080p HD	QCIF (176 x 144)
Front Camera	-	-	-	8 megapixel	-
Weight	3 oz (85g)	3.46 oz (98g)	6.5 oz (184g)	6.91 oz (196g)	5.1 oz (145g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	3.96" x 2.03" x 0.55" (101 x 52 x 14 mm)	4.68" x 2.37" x 0.55" (119 x 60 x 14 mm)	6.49" x 3.24" x 0.34" (165 x 82 x 8.6 mm)	4.61" x 2.37" x 0.69" (117 x 60 x 17.5 mm)
Form Factor	Clamshell	Slide	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	Android	Android	Windows Mobile Professional
Network Bands	GSM: 900, 1800, 1900	WCDMA: 4 GSM: 850, 900, 1800, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	GPRS	WCDMA (UMTS)	HSPA 14.4	LTE (Cat 6)	HSPA 7.2
Features
Fingerprint Reader	-	-	-	Yes stand-alone	-
Flashlight	-	-	-	Yes	-
GPS / Location	-	-	n/a	n/a	n/a
Accessibility
Hearing Aid Compatible	-	-	Yes	Yes	-
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	-	-	-	Yes	-
Alerts
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	-	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio
Mobile Hotspot	-	-	n/a	n/a	n/a
USB	-	Yes	Yes	Yes Micro-USB	Yes Mini-USB
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	Yes 5 (802.11 a,ac,b,g,n)	Yes 802.11 b,g
Contacts
Picture ID	Yes	Yes	n/a	n/a	n/a
Ringer ID	Yes	Yes	n/a	n/a	n/a
Voice Dialing	-	Yes	n/a	n/a	n/a
Customization
Custom Graphics	Yes	Yes	n/a	n/a	n/a
Custom Ringtones	Yes	Yes	n/a	n/a	n/a
Real-Music Ringers	-	Yes	n/a	n/a	n/a
Data & Network
Data Tethering	-	Yes	n/a	n/a	n/a
WAP / Web Browser	Yes	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	-	-	Yes	Yes	Yes
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	-	-	n/a	n/a	n/a
EMS / Picture Messaging	Yes	Yes	n/a	n/a	n/a
Instant Messaging	-	Yes	n/a	n/a	n/a
MMS	Yes	Yes	n/a	n/a	n/a
Text Messaging Templates	Yes	Yes	n/a	n/a	n/a
Music
FM Radio	-	-	-	Yes	-
Headphone Jack (3.5mm)	-	-	Yes	Yes	-
Music Player	-	Yes	n/a	n/a	n/a
Productivity
Alarm	Yes	Yes	n/a	n/a	n/a
Calculator	Yes	Yes	n/a	n/a	n/a
Calendar	Yes	Yes	n/a	n/a	n/a
To-Do List	Yes	Yes	n/a	n/a	n/a
Voice Memo	Yes	-	n/a	n/a	n/a
Software
Games	Yes	Yes	n/a	n/a	n/a
Java (J2ME)	Yes	Yes	n/a	n/a	n/a
Voice
HD Voice	-	-	-	Yes	-
Headset Jack (2.5 mm)	Yes	-	n/a	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-X640	Samsung SGH-T819	HTC G2	Coolpad REVVL Plus	HP iPAQ 610 Business Navigator
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Samsung SGH-T819	HTC G2	Coolpad REVVL Plus	HP iPAQ 610 Business Navigator