BlackBerry 8310 vs. BlackBerry 8820

	BlackBerry 8310	BlackBerry 8820
Overall	BlackBerry 8310	BlackBerry 8820
Usability	BlackBerry 8310	BlackBerry 8820
Display Resolution	320x240px	320x240px
Display Color	65k	65k
Display Technology	TFT	TFT
Input / Navigation	QWERTY Keyboard Trackball	QWERTY Keyboard Trackball
Talk Time	4h	5h
Stand-by Time	408h	520h
Vibration	Available	Available
Ringtones	MP3 32 Channels Polyphonic	MP3 Polyphonic
Hardware	BlackBerry 8310	BlackBerry 8820
Processor Speed	Proprietary	Proprietary
RAM		16MB
External Memory	microSD	microSD
Internal Memory	64MB	64MB
Camera Resolution	2 Megapix
Camera Flash	LED
Video Recording	Available
Battery	1100 mAh	1400 mAh
Software	BlackBerry 8310	BlackBerry 8820
Operating System	Proprietary	Proprietary
Java	MIDP 2.0	MIDP 2.0
Connectivity	BlackBerry 8310	BlackBerry 8820
Compatible Networks	GSM 1800 GSM 1900 GSM 850 GSM 900	GSM 1800 GSM 1900 GSM 850 GSM 900
WLAN		Wi-Fi 802.11b/g
Positioning System	Integrated GPS	Integrated GPS
USB	v2.0	v1.1
Bluetooth	v2.0	v2.0
EDGE	Class 10	Class 10
GPRS	Class 10	Class 10
Ergonomics	BlackBerry 8310	BlackBerry 8820
Dimensions	107x60x15.5mm 4.21" x 2.36" x 0.61"	114x66x14mm 4.49" x 2.6" x 0.55"
Height	107mm (4.21")	114mm (4.49")
Width	60mm (2.36")	66mm (2.6")
Depth	15.5mm (0.61")	14mm (0.55")
Weight	111g (3.92oz)	134g (4.73oz)
Form Factor	Candy Bar	Candy Bar
Various	BlackBerry 8310	BlackBerry 8820
Ballpark Price Estimate	341.40 to 419.00 US$	358.50 to 440.00 US$
Reviews	Good Gear Guide   [ 85/100 ] CNET   [ 83/100 ] TechRadar   [ 80/100 ]	CNET   [ 80/100 ] Good Gear Guide   [ 80/100 ] PC World   [ 78/100 ]

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