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Phone	Palm Treo 700p	Samsung SGH-A157	Samsung SGH-R225 / SGH-R225M	Samsung Messager R450	Palm Treo 600 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	1.8" diag. 4 : 3	?	2.1" diag. 4 : 3	?
Display Resolution & Type	320 x 320 pixels LCD (TFT/TFD)	128 x 160 pixels (~116 ppi) LCD (TFT/TFD)	128 x 64 pixels	176 x 220 pixels (~134 ppi) LCD (TFT/TFD)	160 x 160 pixels LCD (Color)
Display Refresh	?	?	?	?	?
Battery	?	800 mAh	?	960 mAh	?
Processor	312 MHz Intel XScale	?	?	?	?
RAM	?	?	?	?	?
Storage	? raw hardware	256 MB	? raw hardware	? raw hardware	? raw hardware
Main Camera	1 megapixel	-	-	1 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	CIF (352 x 288)	-	-	-	-
Front Camera	-	-	-	-	-
Weight	6.4 oz (181g)	2.99 oz (85g)	3.35 oz (95g)	4.58 oz (130g)	6.2 oz (176g)
Dimensions	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm)	4.33" x 1.81" x 0.93" (110 x 46 x 23.6 mm)	4.4" x 2" x 0.7" (112 x 51 x 17.8 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)
Form Factor	Slab	Clamshell	Slab	Slab	Slab
Platform / OS	Palm OS	(proprietary)	(proprietary)	(proprietary)	Palm OS
Network Bands	CDMA: 850, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	GSM: 900, 1900	CDMA: 850, 1700, 1900	CDMA: 850, 1900
Data Technology	EVDO r0	?	-	1xRTT	1xRTT
Features
GPS / Location	n/a	Yes	-	Yes	n/a
Accessibility
Adjustable Text Size	n/a	Yes	-	-	n/a
Hearing Aid Compatible	Yes M3 (mostly compatible)	Yes M4 (very compatible)	-	Yes M3 (mostly compatible)	-
Multiple Languages	n/a	Yes	Yes	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Alerts
Ringer Profiles	-	Yes	-	-	-
Connectivity
Bluetooth	Yes	-	-	Yes	-
Infrared (IR)	Yes	-	-	-	Yes
USB	Yes	Yes Micro-USB	-	Yes	Yes
Contacts
Picture ID	n/a	Yes	-	Yes	n/a
Ringer ID	n/a	Yes	Yes	Yes	n/a
Voice Dialing	n/a	-	-	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	-	n/a
External Antenna Jack	n/a	-	-	-	n/a
WAP / Web Browser	n/a	Yes	-	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	Yes	Yes	n/a
Side Keys	Yes	-	-	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	Yes	Yes
Touch Screen	Yes	-	-	-	Yes
Memory
Memory Card Slot	Yes	-	-	Yes	Yes
Messaging
Email Client	n/a	-	-	-	n/a
MMS	n/a	Yes	Yes	Yes	n/a
Text Messaging Templates	n/a	Yes	Yes	Yes	n/a
Music
Music Player	n/a	-	-	Yes	n/a
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	n/a
Software
BREW	n/a	-	-	Yes	n/a
Games	n/a	-	Yes	Yes	n/a
Voice
Headset Jack (2.5 mm)	n/a	-	Yes	-	n/a
Speaker Phone	Yes	Yes	-	Yes	Yes
	Palm Treo 700p	Samsung SGH-A157	Samsung SGH-R225 / SGH-R225M	Samsung Messager R450	Palm Treo 600 (CDMA)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Palm Treo 700p	Samsung SGH-A157	Samsung SGH-R225 / SGH-R225M	Samsung Messager R450	Palm Treo 600 (CDMA)