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Specifications
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Phone	Palm Treo 650 (CDMA)	Samsung Glyde U940	ZTE Savvy	Samsung Wafer R510	ZTE Prestige 2
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	2.8" diag. 16.5 : 9	4" diag. 5 : 3	1.9" diag. 4 : 3	5" diag. 16 : 9
Display Resolution & Type	320 x 320 pixels LCD (TFT/TFD)	240 x 440 pixels (~182 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	220 x 176 pixels (~148 ppi) LCD (TFT/TFD)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	60 Hz
Battery	?	1,000 mAh	1,650 mAh	800 mAh	2,035 mAh
Processor	312 MHz Intel XScale PXA270	?	1 GHz Qualcomm MSM8625	?	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM	?	?	768 MB	?	2 GB
Storage	? raw hardware	? raw hardware	4 GB	? raw hardware	16 GB
Main Camera	Yes	2 megapixel	5 megapixel	1 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	QVGA (320 x 240)	WVGA / 480p	?	720p HD
Front Camera	-	-	-	-	5 megapixel
Weight	6.3 oz (179g)	4.2 oz (119g)	4.43 oz (126g)	2.47 oz (70g)	5.29 oz (150g)
Dimensions	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	4.09" x 1.98" x 0.71" (104 x 50 x 18 mm)	4.96" x 2.55" x 0.42" (126 x 65 x 10.7 mm)	4.45" x 1.97" x 0.33" (113 x 50 x 8.4 mm)	5.73" x 2.83" x 0.39" (146 x 72 x 9.9 mm)
Form Factor	Slab	Slide	Slab	Slab	Slab
Platform / OS	Palm OS	(proprietary)	Android	(proprietary)	Android
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 12, 25, 26, 41 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 1900
Data Technology	1xRTT	EVDO r0	EVDO rA	EVDO r0	LTE (Cat 4)
Features
Flashlight	-	-	Yes	-	Yes
GPS / Location	n/a	Yes	n/a	Yes	n/a
Accessibility
Adjustable Text Size	n/a	-	n/a	-	n/a
Hearing Aid Compatible	-	Yes M4 (very compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	Yes	-	-	-	-
USB	-	Yes	Yes Micro-USB	-	Yes Micro-USB
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	Yes	n/a	Yes	n/a
Ringer ID	n/a	Yes	n/a	-	n/a
Voice Dialing	n/a	Yes	n/a	Yes	n/a
Customization
Custom Graphics	n/a	Yes	n/a	Yes	n/a
Custom Ringtones	n/a	Yes	n/a	Yes	n/a
Real-Music Ringers	n/a	Yes	n/a	-	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	-	n/a
WAP / Web Browser	n/a	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	Yes	-	-	-
Touch Screen	Yes	Yes	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	n/a	-	n/a	-	n/a
Instant Messaging	n/a	-	n/a	-	n/a
MMS	n/a	Yes	n/a	Yes	n/a
Text Messaging Templates	n/a	Yes	n/a	-	n/a
Music
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	-	-	Yes	-	Yes
Music Player	n/a	Yes	n/a	Yes	n/a
Stereo Speakers	-	-	-	Yes	-
Photo & Video
DLNA	-	-	Yes	-	-
Productivity
Alarm	n/a	Yes	n/a	Yes	n/a
Calculator	n/a	Yes	n/a	Yes	n/a
Calendar	n/a	Yes	n/a	Yes	n/a
To-Do List	n/a	-	n/a	-	n/a
Voice Memo	n/a	-	n/a	Yes	n/a
Software
BREW	n/a	Yes	n/a	Yes	n/a
Games	n/a	Yes	n/a	Yes	n/a
Voice
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	n/a	Yes	n/a	-	n/a
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Palm Treo 650 (CDMA)	Samsung Glyde U940	ZTE Savvy	Samsung Wafer R510	ZTE Prestige 2
	X >	< X >	< X >	< X >	< X

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


Phone	Palm Treo 650 (CDMA)	Samsung Glyde U940	ZTE Savvy	Samsung Wafer R510	ZTE Prestige 2