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Phone	Samsung Nexus S 4G	LG Tritan AX-840 / UX-840	ZTE Aspect	Motorola i425	Samsung Zeal / Alias 2 SCH-U750
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4" diag. 5 : 3	3" diag. 5 : 3	2.4" diag. 4 : 3	?	2.6" diag. 4 : 3
Display Resolution & Type	480 x 800 pixels (~233 ppi) AMOLED	240 x 400 pixels (~155 ppi) LCD (TFT/TFD)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	130 x 130 pixels LCD (STN)	240 x 320 pixels (~154 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	?
Battery	1,500 mAh	950 mAh	1,000 mAh	?	880 mAh
Processor	1 GHz Samsung Hummingbird Cortex A8	?	230 MHz Qualcomm QSC6270	?	?
RAM	?	?	128 MB	?	?
Storage	16 GB	? raw hardware	256 MB	? raw hardware	? raw hardware
Main Camera	5 megapixel	3 megapixel	2 megapixel	-	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	WVGA / 480p	QVGA (320 x 240)	QVGA (320 x 240)	-	QCIF (176 x 144)
Front Camera	Yes	-	-	-	-
Weight	4.62 oz (131g)	5.03 oz (143g)	3.7 oz (105g)	3.9 oz (111g)	4.34 oz (123g)
Dimensions	4.88" x 2.48" x 0.44" (124 x 63 x 11.2 mm)	4.45" x 2.24" x 0.65" (113 x 57 x 16.5 mm)	4.55" x 2.4" x 0.45" (116 x 61 x 11.4 mm)	4.9" x 1.9" x 0.47" (124 x 48 x 11.9 mm)	4.01" x 2.04" x 0.67" (102 x 52 x 17 mm)
Form Factor	Slab	Slide	Slab	Slab	Clamshell
Platform / OS	Android	(proprietary)	(proprietary)	(proprietary)	(proprietary)
Network Bands	4G WiMAX: 41 CDMA: 850, 1900	CDMA: 850, 1900	WCDMA: 2, 4 GSM: 850, 900, 1800, 1900	iDEN: 800	CDMA: 850, 1900
Data Technology	WiMAX	EVDO r0	WCDMA (UMTS)	-	EVDO r0
Features
GPS / Location	n/a	Yes	Yes	Yes	Yes
Accessibility
Adjustable Text Size	n/a	Yes	-	Yes	Yes
Hearing Aid Compatible	Yes M4 (very compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M4 (very compatible)
Multiple Languages	n/a	Yes	Yes	Yes	Yes
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	-	Yes
Ringer Profiles	-	-	Yes	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
Mobile Hotspot	n/a	-	-	-	-
NFC	Yes	-	-	-	-
USB	Yes Micro-USB	Yes Micro-USB	Yes Micro-USB	Yes Mini-USB	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	-	-	-	-
Contacts
Picture ID	n/a	Yes	Yes	Yes	Yes
Ringer ID	n/a	Yes	Yes	Yes	Yes
Voice Dialing	n/a	Yes	-	Yes	Yes
Customization
Custom Graphics	n/a	Yes	Yes	Yes	Yes
Custom Ringtones	n/a	Yes	Yes	Yes	Yes
Real-Music Ringers	n/a	Yes	Yes	Yes	Yes
Data & Network
Data Tethering	n/a	-	-	Yes	Yes
WAP / Web Browser	n/a	Yes	Yes	Yes	Yes
Input
Predictive Text Entry	n/a	-	Yes	Yes	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	Yes	-	Yes
Touch Screen	Yes Capacitive	Yes	-	-	-
Memory
Memory Card Slot	-	Yes	Yes	-	Yes
Messaging
Email Client	n/a	Yes	Yes	-	Yes
Instant Messaging	n/a	Yes	-	-	Yes
MMS	n/a	Yes	Yes	Yes	Yes
Text Messaging Templates	n/a	Yes	Yes	Yes	Yes
Music
Headphone Jack (3.5mm)	Yes	Yes	Yes	-	-
Music Player	n/a	Yes	Yes	-	Yes
Productivity
Alarm	n/a	Yes	Yes	-	Yes
Calculator	n/a	Yes	Yes	-	Yes
Calendar	n/a	Yes	Yes	Yes	Yes
Voice Memo	n/a	Yes	Yes	Yes	Yes
Software
BREW	n/a	Yes	-	-	Yes
Games	n/a	Yes	Yes	Yes	Yes
Java (J2ME)	n/a	-	Yes	Yes	-
Voice
Headset Jack (2.5 mm)	n/a	-	-	Yes	Yes
Push-To-Talk	-	-	-	Yes	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung Nexus S 4G	LG Tritan AX-840 / UX-840	ZTE Aspect	Motorola i425	Samsung Zeal / Alias 2 SCH-U750
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Samsung Nexus S 4G	LG Tritan AX-840 / UX-840	ZTE Aspect	Motorola i425	Samsung Zeal / Alias 2 SCH-U750