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Specifications
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Phone	Ericsson R520	Sony Ericsson Xperia X10 mini (2010)	Samsung SGH-X640	Apple iPhone 4 (CDMA)	Motorola i1
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Not yet released	Released	Released	Released
Display Size	?	2.6" diag. 4 : 3	?	3.5" diag. 5 : 3	3.1" diag. 5 : 3
Display Resolution & Type	?	240 x 320 pixels (~157 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	60 Hz	60 Hz
Battery	?	?	800 mAh	?	1,400 mAh
Processor	?	600 MHz Qualcomm S1 MSM7227	?	?	504 MHz Freescale Zeus 2.0 ARM1136
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	8 GB *	? raw hardware
Main Camera	-	5 megapixel	Yes	5 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	VGA (640 x 480)	-	720p HD	CIF (352 x 288)
Front Camera	-	-	-	Yes	-
Weight	4.23 oz (120g)	3.11 oz (88g)	3 oz (85g)	4.8 oz (136g)	4.63 oz (131g)
Dimensions	5.12" x 1.97" x 0.63" (130 x 50 x 16 mm)	3.26" x 1.97" x 0.64" (83 x 50 x 16.3 mm)	3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	4.65" x 2.28" x 0.5" (118 x 58 x 12.8 mm)
Form Factor	Slab	Slab	Clamshell	Slab	Slab
Platform / OS	(proprietary)	Android	(proprietary)	iOS	Android
Network Bands	GSM: 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	GSM: 900, 1800, 1900	CDMA: 850, 1900	iDEN: 800
Data Technology	GPRS	HSPA 7.2	GPRS	EVDO rA	-
Features
GPS / Location	-	n/a	-	n/a	n/a
Ruggedized	-	-	-	-	Yes
Accessibility
Adjustable Text Size	-	n/a	-	n/a	n/a
Hearing Aid Compatible	-	-	-	Yes M4, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	n/a	Yes	n/a	n/a
Alerts
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	Yes	Yes	-	Yes	Yes
Infrared (IR)	Yes	-	-	-	-
Mobile Hotspot	-	n/a	-	n/a	n/a
USB	-	Yes Micro-USB	-	Yes	Yes
Wi-Fi	-	Yes 802.11 b,g	-	Yes 4 (802.11 b,g,n)	Yes
Contacts
Picture ID	-	n/a	Yes	n/a	n/a
Ringer ID	-	n/a	Yes	n/a	n/a
Voice Dialing	Yes	n/a	-	n/a	n/a
Customization
Custom Graphics	-	n/a	Yes	n/a	n/a
Custom Ringtones	Yes	n/a	Yes	n/a	n/a
Real-Music Ringers	-	n/a	-	n/a	n/a
Data & Network
Data Tethering	Yes	n/a	-	n/a	n/a
WAP / Web Browser	Yes	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	-	Yes Capacitive	-	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	-	Yes	-	-	Yes
Messaging
Email Client	-	n/a	-	n/a	n/a
EMS / Picture Messaging	-	n/a	Yes	n/a	n/a
Instant Messaging	-	n/a	-	n/a	n/a
MMS	-	n/a	Yes	n/a	n/a
Text Messaging Templates	Yes	n/a	Yes	n/a	n/a
Music
FM Radio	-	Yes	-	-	-
Headphone Jack (3.5mm)	-	Yes	-	Yes	-
Music Player	-	n/a	-	n/a	n/a
Photo & Video
TV Output	-	-	-	Yes	-
Video Calling	-	n/a	-	n/a	n/a
Productivity
Alarm	Yes	n/a	Yes	n/a	n/a
Calculator	Yes	n/a	Yes	n/a	n/a
Calendar	Yes	n/a	Yes	n/a	n/a
To-Do List	-	n/a	Yes	n/a	n/a
Voice Memo	Yes	n/a	Yes	n/a	n/a
Software
Games	Yes	n/a	Yes	n/a	n/a
Java (J2ME)	-	n/a	Yes	n/a	n/a
Voice
Headset Jack (2.5 mm)	-	n/a	Yes	n/a	n/a
Push-To-Talk	-	-	-	-	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Ericsson R520	Sony Ericsson Xperia X10 mini (2010)	Samsung SGH-X640	Apple iPhone 4 (CDMA)	Motorola i1
	X >	< X >	< X >	< X >	< X

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


Phone	Ericsson R520	Sony Ericsson Xperia X10 mini (2010)	Samsung SGH-X640	Apple iPhone 4 (CDMA)	Motorola i1