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Phone	Palm Treo 650 (CDMA)	Samsung Galaxy S II / SGH-i777	Nokia Lumia 920
Current U.S. Carriers	(none)	(none)	(none)
Global Availability	Released	Released	Released
Display Size	?	4.3" diag. 5 : 3	4.5" diag. 5 : 3
Display Resolution & Type	320 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) AMOLED	768 x 1280 pixels (~332 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?
Battery	?	1,650 mAh	2,000 mAh
Processor	312 MHz Intel XScale PXA270	1.2 GHz Samsung Exynos dual-core	1.5 GHz Qualcomm Snapdragon S4
RAM	?	?	1 GB
Storage	? raw hardware	16 GB	32 GB
Main Camera	Yes	8 megapixel	8 megapixel
Wide Camera	-	-	-
Tele Camera	-	-	-
Video Capture	QVGA (320 x 240)	1080p HD	1080p HD
Front Camera	-	2 megapixel	1 megapixel
Weight	6.3 oz (179g)	4.3 oz (122g)	6.53 oz (185g)
Dimensions	4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm)	4.96" x 2.6" x 0.35" (126 x 66 x 8.9 mm)	5.12" x 2.79" x 0.42" (130 x 71 x 10.7 mm)
Platform / OS	Palm OS	Android	Windows
Network Bands	CDMA: 850, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900
Data Technology	1xRTT	HSPA+ 21	LTE (Cat 3)
Features
Accessibility
Hearing Aid Compatible	-	Yes	Yes
TTY/TDD (Digital)	-	Yes	Yes
Connectivity
Bluetooth	Yes	Yes	Yes
Infrared (IR)	Yes	-	-
NFC	-	Yes	Yes
USB	-	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	Yes 4 (802.11 a,b,g,n)	Yes 4 (802.11 a,b,g,n)
Input
Side Keys	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-
Touch Screen	Yes	Yes	Yes
Memory
Memory Card Slot	Yes	Yes	-
Music
Headphone Jack (3.5mm)	-	Yes	Yes
Photo & Video
DLNA	-	Yes	-
TV Output	-	Yes	-
Power
Wireless Charging	-	-	Yes
Voice
Speaker Phone	Yes	Yes	Yes
	Palm Treo 650 (CDMA)	Samsung Galaxy S II / SGH-i777	Nokia Lumia 920
	X >	< X >	< X

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


Phone	Palm Treo 650 (CDMA)	Samsung Galaxy S II / SGH-i777	Nokia Lumia 920