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| Phone | BlackBerry 7750 | Samsung SGH-P850 / P858 | Samsung Impression SGH-A877 | 
| Current U.S. Carriers | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | 
| Specifications | |||
|---|---|---|---|
| Display Size | ? | ? | 
			3.2" diag. 5 : 3  | 
	
| Display Resolution & Type | 
			240 x 240 pixels LCD (Color)  | 
		
		
			240 x 320 pixels LCD (TFT/TFD)  | 
		
		
			240 x 400 pixels (~146 ppi) AMOLED  | 
	
| Display Refresh | ? | ? | ? | 
| Battery | ? | 950 mAh | 1,000 mAh | 
| Processor | ? | ? | ? | 
| RAM | ? | ? | ? | 
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 
| Main Camera | - | 3 megapixel | 3 megapixel | 
| Wide Camera | - | - | - | 
| Tele Camera | - | - | - | 
| Video Capture | - | ? | QVGA (320 x 240) | 
| Front Camera | - | - | - | 
| Weight | 
			5.01 oz (142g)  | 
		
		
			4.23 oz (120g)  | 
		
		
			5.2 oz (147g)  | 
	
| Dimensions | 
			4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)  | 
		
		
			3.77" x 1.86" x 0.96" (96 x 47 x 24.4 mm)  | 
		
		
			4.48" x 2.28" x 0.64" (114 x 58 x 16.3 mm)  | 
	
| Form Factor | Slab | Clamshell | Slab | 
| Platform / OS | BlackBerry OS | (proprietary) | (proprietary) | 
| Network Bands | 
			 CDMA: 850, 1900  | 
		
		
			 GSM: 900, 1800, 1900  | 
		
		
			 WCDMA: 2, 5 GSM: 850, 900, 1800, 1900  | 
	
| Data Technology | 1xRTT | EDGE | HSDPA 3.6 | 
| Features | |||
| GPS / Location | n/a | - | Yes | 
| Accessibility | |||
| Hearing Aid Compatible | - | - | Yes | 
| Multiple Languages | n/a | Yes | Yes | 
| TTY/TDD (Digital) | Yes | - | - | 
| Alerts | |||
| Extra Display | - | Yes | - | 
| Ringer Profiles | Yes | - | Yes | 
| Connectivity | |||
| Bluetooth | - | 
			Yes Classic Audio  | 
		
		
			Yes Classic Audio  | 
	
| USB | Yes | Yes | Yes | 
| Contacts | |||
| Picture ID | n/a | Yes | Yes | 
| Ringer ID | n/a | Yes | Yes | 
| Customization | |||
| Custom Graphics | n/a | Yes | Yes | 
| Custom Ringtones | n/a | Yes | Yes | 
| Real-Music Ringers | n/a | Yes | Yes | 
| Data & Network | |||
| Data Tethering | n/a | - | Yes | 
| WAP / Web Browser | n/a | Yes | Yes | 
| Input | |||
| Predictive Text Entry | n/a | Yes | Yes | 
| Side Keys | Yes | Yes | Yes | 
| Text Keyboard, Hardware | Yes | - | Yes | 
| Touch Screen | - | - | Yes | 
| Memory | |||
| Memory Card Slot | - | Yes | Yes | 
| Messaging | |||
| Email Client | n/a | Yes | Yes | 
| Instant Messaging | n/a | - | Yes | 
| MMS | n/a | Yes | Yes | 
| Text Messaging Templates | n/a | Yes | Yes | 
| Music | |||
| Music Player | n/a | Yes | Yes | 
| Stereo Speakers | - | Yes | - | 
| Photo & Video | |||
| TV Output | - | Yes | - | 
| Productivity | |||
| Alarm | n/a | Yes | Yes | 
| Calculator | n/a | Yes | Yes | 
| Calendar | n/a | Yes | Yes | 
| To-Do List | n/a | - | Yes | 
| Voice Memo | n/a | Yes | Yes | 
| Software | |||
| Games | n/a | Yes | Yes | 
| Java (J2ME) | n/a | Yes | Yes | 
| Voice | |||
| Headset Jack (2.5 mm) | n/a | - | - | 
| Speaker Phone | - | Yes | Yes | 
| BlackBerry 7750 | Samsung SGH-P850 / P858 | Samsung Impression SGH-A877 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry 7750 | Samsung SGH-P850 / P858 | Samsung Impression SGH-A877 | 











