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Specifications
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Phone	BlackBerry 8820	Samsung PM-A840	Sony Ericsson Xperia X10 mini (2010)	Coolpad Defiant	Nokia N78
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Not yet released	Released	Released
Display Size	?	?	2.6" diag. 4 : 3	5" diag. 16 : 9	2.4" diag. 4 : 3
Display Resolution & Type	320 x 240 pixels LCD (TFT/TFD)	128 x 160 pixels LCD (STN)	240 x 320 pixels (~157 ppi) LCD (TFT/TFD)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	60 Hz	?
Battery	1,400 mAh	?	?	2,450 mAh	1,200 mAh
Processor	?	?	600 MHz Qualcomm S1 MSM7227	1.4 GHz Qualcomm Snapdragon 425 (MSM8917)	369 MHz ARM 11
RAM	?	?	?	1 GB	?
Storage	? raw hardware	? raw hardware	? raw hardware	8 GB	? raw hardware
Main Camera	-	Yes	5 megapixel	5 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	VGA (640 x 480)	720p HD	VGA (640 x 480)
Front Camera	-	-	-	2 megapixel	-
Weight	4.73 oz (134g)	3.28 oz (93g)	3.11 oz (88g)	6.5 oz (184g)	3.59 oz (102g)
Dimensions	4.49" x 2.6" x 0.55" (114 x 66 x 14 mm)	3.54" x 1.85" x 0.94" (90 x 47 x 23.9 mm)	3.26" x 1.97" x 0.64" (83 x 50 x 16.3 mm)	5.69" x 2.81" x 0.4" (145 x 71 x 10.2 mm)	4.45" x 1.93" x 0.59" (113 x 49 x 15.1 mm)
Form Factor	Slab	Clamshell	Slab	Slab	Slab
Platform / OS	BlackBerry OS	(proprietary)	Android	Android	S60 (Symbian)
Network Bands	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 AMPS: 850	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 *
Data Technology	EDGE	1xRTT	HSPA 7.2	LTE (Cat 4)	HSDPA 3.6
Features
Flashlight	-	-	-	Yes	-
GPS / Location	n/a	Yes	n/a	n/a	n/a
Accessibility
Hearing Aid Compatible	-	Yes	-	Yes	-
Multiple Languages	n/a	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	-	Yes	-
Alerts
Extra Display	-	Yes	-	-	-
Ringer Profiles	Yes	-	-	-	Yes
Connectivity
Bluetooth	Yes Classic Audio	-	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio
USB	Yes Mini-USB	-	Yes Micro-USB	Yes Micro-USB	Yes Micro-USB
Wi-Fi	Yes	-	Yes 802.11 b,g	Yes 4 (802.11 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	-	n/a	n/a	n/a
Data & Network
Data Tethering	n/a	-	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	-	-	-	-
Touch Screen	-	-	Yes	Yes	-
Memory
Memory Card Slot	Yes	-	Yes	Yes	Yes
Messaging
Email Client	n/a	-	n/a	n/a	n/a
Instant Messaging	n/a	-	n/a	n/a	n/a
MMS	n/a	-	n/a	n/a	n/a
Text Messaging Templates	n/a	Yes	n/a	n/a	n/a
Music
FM Radio	-	-	Yes	-	Yes
FM Transmitter	n/a	-	n/a	n/a	n/a
Headphone Jack (3.5mm)	-	-	Yes	Yes	Yes
Music Player	n/a	-	n/a	n/a	n/a
Stereo Speakers	-	-	-	-	Yes
Photo & Video
TV Output	-	-	-	-	Yes
Video Calling	n/a	-	n/a	n/a	n/a
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	Yes	n/a	n/a	n/a
Voice Memo	n/a	Yes	n/a	n/a	n/a
Software
Games	n/a	Yes	n/a	n/a	n/a
Java (J2ME)	n/a	Yes	n/a	n/a	n/a
Voice
Headset Jack (2.5 mm)	n/a	Yes	n/a	n/a	n/a
Push-To-Talk	Yes *	-	-	-	Yes *
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	BlackBerry 8820	Samsung PM-A840	Sony Ericsson Xperia X10 mini (2010)	Coolpad Defiant	Nokia N78
	X >	< X >	< X >	< X >	< X

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


Phone	BlackBerry 8820	Samsung PM-A840	Sony Ericsson Xperia X10 mini (2010)	Coolpad Defiant	Nokia N78