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Phone	BlackBerry 7100 / 7105	LG AX-490	Audiovox CDM-8400 / CDM-8410	Samsung SGH-X640	ZTE Engage LT / Engage MT
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	?	?	4" diag. 5 : 3
Display Resolution & Type	240 x 260 pixels LCD (Color)	128 x 160 pixels LCD (TFT/TFD)	128 x 128 pixels LCD (STN)	128 x 160 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	?	1,100 mAh	?	800 mAh	1,900 mAh
Processor	?	?	?	?	?
RAM	?	?	?	?	1 GB
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	4 GB
Main Camera	-	Yes	-	Yes	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	-	-	WVGA / 480p
Front Camera	-	-	-	-	Yes
Weight	4.3 oz (122g)	3.79 oz (107g)	3.52 oz (100g)	3 oz (85g)	5.09 oz (144g)
Dimensions	4.7" x 2.3" x 0.7" (119 x 58 x 17.8 mm)	3.74" x 1.92" x 1" (95 x 49 x 25.4 mm)	4.3" x 1.8" x 0.7" (109 x 46 x 17.8 mm)	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.78" x 2.54" x 0.46" (121 x 64 x 11.7 mm)
Form Factor	Slab	Clamshell	Slab	Clamshell	Slab
Platform / OS	BlackBerry OS	(proprietary)	(proprietary)	(proprietary)	Android
Network Bands	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900 AMPS: 850	GSM: 900, 1800, 1900	CDMA: 850, 1700, 1900
Data Technology	GPRS	1xRTT	1xRTT	GPRS	EVDO rA
Features
GPS / Location	n/a	Yes	Yes	-	n/a
Accessibility
Adjustable Text Size	n/a	-	-	-	n/a
Hearing Aid Compatible	-	Yes M3 (mostly compatible)	-	-	-
Multiple Languages	n/a	Yes	Yes	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Extra Display	-	Yes	-	-	-
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	Yes	Yes	-	-	Yes
USB	Yes	Yes	-	-	Yes Micro-USB
Wi-Fi	-	-	-	-	Yes
Contacts
Picture ID	n/a	Yes	-	Yes	n/a
Ringer ID	n/a	Yes	-	Yes	n/a
Voice Dialing	n/a	Yes	Yes	-	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
Data Tethering	n/a	Yes	Yes	-	n/a
WAP / Web Browser	n/a	Yes	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	-	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	Yes	-	-	-
Touch Screen	-	-	-	-	Yes Capacitive
Memory
Memory Card Slot	-	-	-	-	Yes
Messaging
Email Client	n/a	-	-	-	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	n/a
Music
Headphone Jack (3.5mm)	-	-	-	-	Yes
Music Player	n/a	-	-	-	n/a
Stereo Speakers	-	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	n/a
Voice Memo	n/a	Yes	Yes	Yes	n/a
Software
BREW	n/a	Yes	Yes	-	n/a
Games	n/a	Yes	Yes	Yes	n/a
Java (J2ME)	n/a	-	-	Yes	n/a
Voice
Headset Jack (2.5 mm)	n/a	Yes	Yes	Yes	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	BlackBerry 7100 / 7105	LG AX-490	Audiovox CDM-8400 / CDM-8410	Samsung SGH-X640	ZTE Engage LT / Engage MT
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	BlackBerry 7100 / 7105	LG AX-490	Audiovox CDM-8400 / CDM-8410	Samsung SGH-X640	ZTE Engage LT / Engage MT