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Specifications
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Phone	Palm Pre 2 (GSM)	Samsung SCH-A990	Coolpad Quattro 4G	BlackBerry Bold 9900	Sony Ericsson Xperia X10 mini (2010)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Not yet released
Display Size	3.1" diag. 5 : 3	?	4" diag. 5 : 3	2.8" diag. 4 : 3	2.6" diag. 4 : 3
Display Resolution & Type	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	640 x 480 pixels (~286 ppi) LCD (TFT/TFD)	240 x 320 pixels (~157 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	60 Hz
Battery	1,150 mAh	1,000 mAh	1,600 mAh	1,230 mAh	?
Processor	1 GHz TI 3630	?	?	1.2 GHz Qualcomm Snapdragon S2 MSM8255	600 MHz Qualcomm S1 MSM7227
RAM	?	?	?	768 MB	?
Storage	? raw hardware	? raw hardware	512 MB	8 GB	? raw hardware
Main Camera	5 megapixel	3 megapixel	3 megapixel	5 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	VGA (640 x 480)	?	VGA (640 x 480)	720p HD	VGA (640 x 480)
Front Camera	-	-	Yes	-	-
Weight	5.1 oz (145g)	4.4 oz (125g)	3.31 oz (94g)	4.59 oz (130g)	3.11 oz (88g)
Dimensions	3.96" x 2.35" x 0.67" (101 x 60 x 17 mm)	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	4.96" x 2.6" x 0.51" (126 x 66 x 13 mm)	4.53" x 2.6" x 0.41" (115 x 66 x 10.5 mm)	3.26" x 1.97" x 0.64" (83 x 50 x 16.3 mm)
Form Factor	Slide	Clamshell	Slab	Slab	Slab
Platform / OS	webOS	(proprietary)	Android	BlackBerry OS	Android
Network Bands	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	4G LTE: 2, 4 CDMA: 850, 1700, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *
Data Technology	HSDPA 3.6	EVDO r0	LTE (Cat 3)	HSPA 14.4	HSPA 7.2
Features
Flashlight	-	Yes	-	-	-
GPS / Location	n/a	Yes	n/a	n/a	n/a
Accessibility
Adjustable Text Size	n/a	-	n/a	n/a	n/a
Hearing Aid Compatible	-	Yes	Yes	Yes	-
Multiple Languages	n/a	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	-
Alerts
Extra Display	-	Yes	-	-	-
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio
Mobile Hotspot	n/a	-	n/a	n/a	n/a
NFC	-	-	-	Yes	-
USB	Yes Micro-USB	Yes	Yes	Yes Micro-USB	Yes Micro-USB
Wi-Fi	Yes 802.11 b,g	-	Yes	Yes 4 (802.11 a,b,g,n)	Yes 802.11 b,g
Contacts
Picture ID	n/a	Yes	n/a	n/a	n/a
Ringer ID	n/a	Yes	n/a	n/a	n/a
Voice Dialing	n/a	Yes	n/a	n/a	n/a
Customization
Custom Graphics	n/a	Yes	n/a	n/a	n/a
Custom Ringtones	n/a	Yes	n/a	n/a	n/a
Real-Music Ringers	n/a	Yes	n/a	n/a	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	n/a	n/a
WAP / Web Browser	n/a	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	Yes	-
Touch Screen	Yes	-	Yes	Yes	Yes
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	n/a	-	n/a	n/a	n/a
EMS / Picture Messaging	n/a	Yes	n/a	n/a	n/a
Instant Messaging	n/a	-	n/a	n/a	n/a
MMS	n/a	Yes	n/a	n/a	n/a
Text Messaging Templates	n/a	Yes	n/a	n/a	n/a
Music
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	Yes	-	Yes	Yes	Yes
Music Player	n/a	Yes	n/a	n/a	n/a
Stereo Speakers	-	Yes	-	-	-
Photo & Video
TV Output	-	Yes	-	-	-
Productivity
Alarm	n/a	Yes	n/a	n/a	n/a
Calculator	n/a	Yes	n/a	n/a	n/a
Calendar	n/a	Yes	n/a	n/a	n/a
To-Do List	n/a	-	n/a	n/a	n/a
Voice Memo	n/a	Yes	n/a	n/a	n/a
Software
BREW	n/a	Yes	n/a	n/a	n/a
Games	n/a	Yes	n/a	n/a	n/a
Java (J2ME)	n/a	-	n/a	n/a	n/a
Voice
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Palm Pre 2 (GSM)	Samsung SCH-A990	Coolpad Quattro 4G	BlackBerry Bold 9900	Sony Ericsson Xperia X10 mini (2010)
	X >	< X >	< X >	< X >	< X

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


Phone	Palm Pre 2 (GSM)	Samsung SCH-A990	Coolpad Quattro 4G	BlackBerry Bold 9900	Sony Ericsson Xperia X10 mini (2010)