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Phone	Audiovox CDM-8900	Samsung SGH-X640	T-Mobile REVVL V	HTC EVO 4G	Motorola Defy (2010)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	6.5" diag. 20 : 9	4.3" diag. 5 : 3	3.6" diag. 16 : 9
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	720 x 1600 pixels (~269 ppi) LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) LCD (TFT/TFD)	480 x 854 pixels (~272 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	60 Hz	60 Hz
Battery	1,000 mAh	800 mAh	4,000 mAh	1,500 mAh	1,540 mAh
Processor	?	?	2 GHz MediaTek Helio G25 (MT6762V)	1 GHz Qualcomm Snapdragon S1 QSD8650	800 MHz TI OMAP3610
RAM	?	?	3 GB	?	?
Storage	? raw hardware	? raw hardware	32 GB	? raw hardware	? raw hardware
Main Camera	Yes	Yes	13 megapixel	8 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	1080p HD	720p HD	?
Front Camera	-	-	5 megapixel	Yes	-
Weight	3.28 oz (93g)	3 oz (85g)	6.45 oz (183g)	6 oz (170g)	4.16 oz (118g)
Dimensions	3.41" x 1.77" x 0.75" (87 x 45 x 19.1 mm)	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	6.57" x 3.01" x 0.34" (167 x 76 x 8.6 mm)	4.8" x 2.6" x 0.5" (122 x 66 x 12.7 mm)	4.21" x 2.32" x 0.53" (107 x 59 x 13.4 mm)
Form Factor	Clamshell	Clamshell	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	Android	Android	Android
Network Bands	CDMA: 850, 1900 AMPS: 850	GSM: 900, 1800, 1900	4G LTE: 2, 4, 5, 12, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	4G WiMAX: 41 CDMA: 850, 1900	WCDMA: 1, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	1xRTT	GPRS	LTE (Cat 6)	WiMAX	HSPA 7.2
Features
Fingerprint Reader	-	-	Yes stand-alone	-	-
Flashlight	-	-	Yes	-	-
GPS / Location	Yes	-	n/a	n/a	n/a
Ruggedized	-	-	-	-	Yes
Accessibility
Hearing Aid Compatible	-	-	Yes M4, T3 (mostly tele-coil compatible)	Yes	-
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	-	-	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	-	-	-
Connectivity
Bluetooth	-	-	Yes	Yes	Yes
Mobile Hotspot	-	-	n/a	n/a	n/a
USB	Yes	-	Yes USB Type C	Yes	Yes Micro-USB
Wi-Fi	-	-	Yes 5 (802.11 a,ac,b,g,n)	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)
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	-	-	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
Touch Screen	-	-	Yes Capacitive	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	-	-	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	-	-	n/a	n/a	n/a
MMS	-	Yes	n/a	n/a	n/a
Text Messaging Templates	Yes	Yes	n/a	n/a	n/a
Music
FM Radio	-	-	Yes	Yes	Yes
Headphone Jack (3.5mm)	-	-	Yes	Yes	Yes
Music Player	-	-	n/a	n/a	n/a
Photo & Video
DLNA	-	-	-	-	Yes
TV Output	-	-	-	Yes	-
Power
Fast Charging	-	-	Yes	-	-
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	n/a	n/a	n/a
Voice Memo	Yes	Yes	n/a	n/a	n/a
Software
BREW	Yes *	-	n/a	n/a	n/a
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	Yes	n/a	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Audiovox CDM-8900	Samsung SGH-X640	T-Mobile REVVL V	HTC EVO 4G	Motorola Defy (2010)
	X >	< X >	< X >	< X >	< X

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


Phone	Audiovox CDM-8900	Samsung SGH-X640	T-Mobile REVVL V	HTC EVO 4G	Motorola Defy (2010)