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Phone BlackBerry 8820 BlackBerry Curve 8330 BlackBerry 7750 Samsung SGH-i250
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Not yet released
Specifications 
Display Size ? ? ? ?
Display Resolution & Type 320 x 240 pixels
LCD (TFT/TFD)
320 x 240 pixels
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 1,400 mAh 1,150 mAh ? ?
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - 2 megapixel - 1 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture - ? - ?
Front Camera - - - -
Weight 4.73 oz
(134g)
4.02 oz
(114g)
5.01 oz
(142g)
4.59 oz
(130g)
Dimensions 4.49" x 2.6" x 0.55"
(114 x 66 x 14 mm)
4.2" x 2.4" x 0.6"
(107 x 61 x 15.2 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
3.7" x 1.97" x 1.02"
(94 x 50 x 25.9 mm)
Platform / OS BlackBerry OS BlackBerry OS BlackBerry OS Windows Mobile Standard
Network Bands

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

GSM: 900, 1800, 1900

Data Technology EDGE EVDO r0 1xRTT GPRS
Features 
Accessibility
Hearing Aid Compatible - Yes - -
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Extra Display - - - Yes
Ringer Profiles Yes Yes Yes Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
- Yes
USB Yes
Mini-USB
Yes
Mini-USB
Yes -
Wi-Fi Yes - - -
Input
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes Yes Yes -
Memory
Memory Card Slot Yes Yes - Yes
Music
Headphone Jack (3.5mm) - Yes - -
Voice
Push-To-Talk Yes * - - -
Speaker Phone Yes Yes - -
  * Some versions only
  BlackBerry 8820 BlackBerry Curve 8330 BlackBerry 7750 Samsung SGH-i250
  X > < X > < X > < X

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

 
Phone BlackBerry 8820 BlackBerry Curve 8330 BlackBerry 7750 Samsung SGH-i250

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