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Phone BlackBerry 7750 Samsung Rugby A837 Sony Ericsson K750 / W800 / D750 / W700 Siemens CF75
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Not yet released
Specifications 
Display Size ? 2" diag.
4 : 3
? ?
Display Resolution & Type 240 x 240 pixels
LCD (Color)
176 x 220 pixels
(~141 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
Display Refresh ? ? ? ?
Battery ? 1,000 mAh 900 mAh 600 mAh
Processor ? ? ? ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - 1 megapixel 2 megapixel Yes
Wide Camera - - - -
Tele Camera - - - -
Video Capture - QCIF (176 x 144) ? -
Front Camera - - - -
Weight 5.01 oz
(142g)
4.66 oz
(132g)
3.49 oz
(99g)
3.17 oz
(90g)
Dimensions 4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
3.95" x 2.05" x 0.9"
(100 x 52 x 22.9 mm)
3.94" x 1.81" x 0.79"
(100 x 46 x 20.1 mm)
3.43" x 1.73" x 1.26"
(87 x 44 x 32 mm)
Form Factor Slab Clamshell Slab Clamshell
Platform / OS BlackBerry OS (proprietary) (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology 1xRTT HSDPA 3.6 GPRS EDGE
Features 
Flashlight - - Yes -
GPS / Location n/a Yes - -
Ruggedized - Yes - -
Accessibility
Hearing Aid Compatible - Yes
M3, T3 (mostly tele-coil compatible)
- -
Multiple Languages n/a Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Extra Display - Yes - Yes
Ringer Profiles Yes - Yes -
Connectivity
Bluetooth - Yes Yes -
Infrared (IR) - - Yes Yes
USB Yes Yes Yes Yes
Contacts
Picture ID n/a Yes Yes -
Ringer ID n/a Yes Yes -
Voice Dialing n/a - Yes -
Customization
Custom Graphics n/a Yes Yes Yes
Custom Ringtones n/a Yes Yes Yes
Real-Music Ringers n/a Yes - -
Data & Network
Data Tethering n/a Yes Yes Yes
WAP / Web Browser n/a Yes Yes Yes
Input
Predictive Text Entry n/a Yes Yes Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - -
Memory
Memory Card Slot - Yes Yes -
Messaging
Email Client n/a Yes Yes Yes
EMS / Picture Messaging n/a - Yes Yes
Instant Messaging n/a Yes - -
MMS n/a Yes Yes Yes
Text Messaging Templates n/a Yes Yes Yes
Music
FM Radio - - Yes -
Music Player n/a Yes Yes -
Productivity
Alarm n/a Yes Yes Yes
Calculator n/a Yes Yes Yes
Calendar n/a Yes Yes Yes
To-Do List n/a - Yes Yes
Voice Memo n/a Yes Yes Yes
Software
Games n/a Yes Yes Yes
Java (J2ME) n/a Yes Yes Yes
Voice
Headset Jack (2.5 mm) n/a - - -
Push-To-Talk - Yes - Yes
Speaker Phone - Yes Yes Yes
  BlackBerry 7750 Samsung Rugby A837 Sony Ericsson K750 / W800 / D750 / W700 Siemens CF75
  X > < X > < X > < X

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

 
Phone BlackBerry 7750 Samsung Rugby A837 Sony Ericsson K750 / W800 / D750 / W700 Siemens CF75

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