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Phone	Samsung SGH-X640	Apple iPhone 4 (CDMA)	Motorola RAZR V3c	ZTE Blade Vantage	Palm Pre Plus (GSM)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	3.5" diag. 5 : 3	?	5" diag. 16 : 9	3.1" diag. 5 : 3
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	60 Hz	?
Battery	800 mAh	?	740 mAh	2,500 mAh	1,150 mAh
Processor	?	?	?	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	?
RAM	?	?	?	2 GB	?
Storage	? raw hardware	8 GB *	? raw hardware	16 GB	? raw hardware
Main Camera	Yes	5 megapixel	1 megapixel	8 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	720p HD	?	720p HD	VGA (640 x 480)
Front Camera	-	Yes	-	2 megapixel	-
Weight	3 oz (85g)	4.8 oz (136g)	3.49 oz (99g)	5.29 oz (150g)	4.89 oz (139g)
Dimensions	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	3.9" x 2.1" x 0.6" (99 x 53 x 15.2 mm)	5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm)	3.9" x 2.3" x 0.67" (99 x 58 x 17 mm)
Form Factor	Clamshell	Slab	Clamshell	Slab	Slide
Platform / OS	(proprietary)	iOS	(proprietary)	Android	webOS
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 13	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	GPRS	EVDO rA	EVDO r0	LTE (Cat 4)	HSDPA 1.8
Features
Flashlight	-	-	-	Yes	-
GPS / Location	-	n/a	Yes	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	-	n/a	n/a
Hearing Aid Compatible	-	Yes M4, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	Yes M4, T4 (very tele-coil compatible)	-
Multiple Languages	Yes	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	-	-	Yes	Yes	Yes
Alerts
Extra Display	-	-	Yes	-	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Mobile Hotspot	-	n/a	-	n/a	n/a
USB	-	Yes	Yes Mini-USB	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g
Contacts
Picture ID	Yes	n/a	Yes	n/a	n/a
Ringer ID	Yes	n/a	Yes	n/a	n/a
Voice Dialing	-	n/a	Yes	n/a	n/a
Customization
Custom Graphics	Yes	n/a	Yes	n/a	n/a
Custom Ringtones	Yes	n/a	Yes	n/a	n/a
Real-Music Ringers	-	n/a	Yes	n/a	n/a
Data & Network
Data Tethering	-	n/a	Yes	n/a	n/a
WAP / Web Browser	Yes	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	-	Yes Capacitive	-	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	-	-	-	Yes	-
Messaging
Email Client	-	n/a	-	n/a	n/a
EMS / Picture Messaging	Yes	n/a	Yes	n/a	n/a
Instant Messaging	-	n/a	-	n/a	n/a
MMS	Yes	n/a	Yes	n/a	n/a
Text Messaging Templates	Yes	n/a	Yes	n/a	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	Yes	Yes
Music Player	-	n/a	-	n/a	n/a
Photo & Video
TV Output	-	Yes	-	-	-
Video Calling	-	n/a	-	n/a	n/a
Productivity
Alarm	Yes	n/a	Yes	n/a	n/a
Calculator	Yes	n/a	Yes	n/a	n/a
Calendar	Yes	n/a	Yes	n/a	n/a
To-Do List	Yes	n/a	-	n/a	n/a
Voice Memo	Yes	n/a	Yes	n/a	n/a
Software
BREW	-	n/a	Yes	n/a	n/a
Games	Yes	n/a	Yes	n/a	n/a
Java (J2ME)	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	Apple iPhone 4 (CDMA)	Motorola RAZR V3c	ZTE Blade Vantage	Palm Pre Plus (GSM)
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X640	Apple iPhone 4 (CDMA)	Motorola RAZR V3c	ZTE Blade Vantage	Palm Pre Plus (GSM)