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Phone	Samsung SGH-A157	Palm Treo 650 (CDMA)	Motorola RAZR V3i / V3t / V3e / V3r	HTC G2	Motorola V551 / V330 / V547 / V555 / V557
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	1.8" diag. 4 : 3	?	?	3.7" diag. 5 : 3	?
Display Resolution & Type	128 x 160 pixels (~116 ppi) LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	480 x 800 pixels (~252 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)
Display Refresh	?	?	?	60 Hz	?
Battery	800 mAh	?	710 mAh	1,300 mAh	820 mAh
Processor	?	312 MHz Intel XScale PXA270	?	800 MHz Qualcomm S2 MSM7230	?
RAM	?	?	?	?	?
Storage	256 MB	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	-	Yes	1 megapixel	5 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	QVGA (320 x 240)	?	720p HD	?
Front Camera	-	-	-	-	-
Weight	2.99 oz (85g)	6.3 oz (179g)	3.53 oz (100g)	6.5 oz (184g)	4.23 oz (120g)
Dimensions	3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm)	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	3.86" x 2.09" x 0.55" (98 x 53 x 14 mm)	4.68" x 2.37" x 0.55" (119 x 60 x 14 mm)	3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm)
Form Factor	Clamshell	Slab	Clamshell	Slab	Clamshell
Platform / OS	(proprietary)	Palm OS	(proprietary)	Android	(proprietary)
Network Bands	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	GSM: 850, 900, 1800, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900 *
Data Technology	?	1xRTT	GPRS	HSPA 14.4	EDGE
Features
GPS / Location	Yes	n/a	-	n/a	-
Accessibility
Adjustable Text Size	Yes	n/a	-	n/a	-
Hearing Aid Compatible	Yes M4 (very compatible)	-	Yes M3, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)	-
Multiple Languages	Yes	n/a	Yes	n/a	Yes
TTY/TDD (Digital)	Yes	-	Yes	-	Yes
Alerts
Extra Display	-	-	Yes	-	Yes
Ringer Profiles	Yes	-	Yes	-	Yes
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	-	n/a	-	n/a	-
USB	Yes Micro-USB	-	Yes Mini-USB	Yes	Yes
Wi-Fi	-	-	-	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	Yes	n/a	Yes	n/a	Yes
Ringer ID	Yes	n/a	Yes	n/a	Yes
Voice Dialing	-	n/a	Yes	n/a	Yes
Customization
Custom Graphics	Yes	n/a	Yes	n/a	Yes
Custom Ringtones	Yes	n/a	Yes	n/a	Yes
Real-Music Ringers	Yes	n/a	Yes	n/a	Yes
Data & Network
Data Tethering	-	n/a	-	n/a	Yes
WAP / Web Browser	Yes	n/a	Yes	n/a	Yes
Input
Predictive Text Entry	Yes	n/a	Yes	n/a	Yes
Side Keys	-	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	Yes	-	Yes	-
Touch Screen	-	Yes	-	Yes Capacitive	-
Memory
Memory Card Slot	-	Yes	Yes	Yes	-
Messaging
Email Client	-	n/a	Yes	n/a	Yes
EMS / Picture Messaging	-	n/a	Yes	n/a	Yes
Instant Messaging	-	n/a	-	n/a	Yes
MMS	Yes	n/a	Yes	n/a	Yes
Text Messaging Templates	Yes	n/a	Yes *	n/a	Yes
Music
Headphone Jack (3.5mm)	-	-	-	Yes	-
Music Player	-	n/a	Yes	n/a	-
Productivity
Alarm	Yes	n/a	Yes	n/a	Yes
Calculator	Yes	n/a	Yes	n/a	Yes
Calendar	Yes	n/a	Yes	n/a	Yes
To-Do List	Yes	n/a	-	n/a	-
Voice Memo	Yes	n/a	Yes	n/a	Yes
Software
Games	-	n/a	Yes	n/a	Yes
Java (J2ME)	-	n/a	Yes	n/a	Yes
Voice
Headset Jack (2.5 mm)	-	n/a	-	n/a	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SGH-A157	Palm Treo 650 (CDMA)	Motorola RAZR V3i / V3t / V3e / V3r	HTC G2	Motorola V551 / V330 / V547 / V555 / V557
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Samsung SGH-A157	Palm Treo 650 (CDMA)	Motorola RAZR V3i / V3t / V3e / V3r	HTC G2	Motorola V551 / V330 / V547 / V555 / V557