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| Phone | Samsung SGH-E640 | Samsung SGH-T209 / X495 / X497 / X496 | Samsung SPH-N240 | Samsung Wafer R510 | 
| Current U.S. Carriers | (none) | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | Released | 
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? | 
			1.9" diag. 4 : 3  | 
	
| Display Resolution & Type | 
			176 x 220 pixels LCD (TFT/TFD)  | 
		
		
			128 x 160 pixels LCD (TFT/TFD)  | 
		
		128 x 64 pixels | 
			220 x 176 pixels (~148 ppi) LCD (TFT/TFD)  | 
	
| Display Refresh | ? | ? | ? | ? | 
| Battery | 800 mAh | 1,000 mAh | ? | 800 mAh | 
| Processor | ? | ? | ? | ? | 
| RAM | ? | ? | ? | ? | 
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | 
| Main Camera | 1 megapixel | - | - | 1 megapixel | 
| Wide Camera | - | - | - | - | 
| Tele Camera | - | - | - | - | 
| Video Capture | QCIF (176 x 144) | - | - | ? | 
| Front Camera | - | - | - | - | 
| Weight | 
			3.17 oz (90g)  | 
		
		
			3.03 oz (86g)  | 
		
		
			3.2 oz (91g)  | 
		
		
			2.47 oz (70g)  | 
	
| Dimensions | 
			3.37" x 1.78" x 0.93" (86 x 45 x 23.6 mm)  | 
		
		
			3.54" x 1.85" x 0.94" (90 x 47 x 23.9 mm)  | 
		
		
			4.1" x 1.5" x 0.7" (104 x 38 x 17.8 mm)  | 
		
		
			4.45" x 1.97" x 0.33" (113 x 50 x 8.4 mm)  | 
	
| Form Factor | Clamshell | Clamshell | Slab | Slab | 
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) | 
| Network Bands | 
			 GSM: 900, 1800, 1900  | 
		
		
			 GSM: 850, 1800, 1900  | 
		
		
			 CDMA: 850, 1900 AMPS: 850  | 
		
		
			 CDMA: 850, 1900  | 
	
| Data Technology | GPRS | GPRS | - | EVDO r0 | 
| Features | ||||
| GPS / Location | - | - | Yes | Yes | 
| Accessibility | ||||
| Hearing Aid Compatible | - | Yes * | - | Yes | 
| Multiple Languages | Yes | Yes | Yes | Yes | 
| TTY/TDD (Digital) | - | Yes | - | Yes | 
| Alerts | ||||
| Extra Display | Yes | Yes | - | - | 
| Connectivity | ||||
| Bluetooth | 
			Yes Classic Audio  | 
		
		- | - | 
			Yes Classic Audio  | 
	
| USB | Yes | - | - | - | 
| Contacts | ||||
| Picture ID | Yes | Yes | - | Yes | 
| Ringer ID | Yes | Yes | Yes | - | 
| Voice Dialing | - | - | Yes | Yes | 
| Customization | ||||
| Changeable Body Plates | - | - | Yes | - | 
| Custom Graphics | Yes | Yes | - | Yes | 
| Custom Ringtones | Yes | Yes | - | Yes | 
| Real-Music Ringers | Yes | Yes | - | - | 
| Data & Network | ||||
| WAP / Web Browser | Yes | Yes | - | Yes | 
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | Yes | 
| Side Keys | Yes | Yes | Yes | Yes | 
| Memory | ||||
| Memory Card Slot | - | - | - | Yes | 
| Messaging | ||||
| Email Client | Yes | - | - | - | 
| EMS / Picture Messaging | Yes | Yes | - | - | 
| MMS | Yes | Yes | - | Yes | 
| Text Messaging Templates | Yes | Yes | - | - | 
| Music | ||||
| Music Player | Yes | - | - | Yes | 
| Stereo Speakers | - | - | - | Yes | 
| Productivity | ||||
| Alarm | Yes | Yes | Yes | Yes | 
| Calculator | Yes | Yes | Yes | Yes | 
| Calendar | Yes | Yes | Yes | Yes | 
| To-Do List | Yes | Yes | Yes | - | 
| Voice Memo | Yes | Yes | - | Yes | 
| Software | ||||
| BREW | - | - | - | Yes | 
| Games | Yes | Yes | Yes | Yes | 
| Java (J2ME) | Yes | Yes | - | - | 
| Voice | ||||
| Headset Jack (2.5 mm) | - | Yes | Yes | - | 
| Speaker Phone | Yes | Yes | - | Yes | 
| * Some versions only | ||||
| Samsung SGH-E640 | Samsung SGH-T209 / X495 / X497 / X496 | Samsung SPH-N240 | Samsung Wafer R510 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-E640 | Samsung SGH-T209 / X495 / X497 / X496 | Samsung SPH-N240 | Samsung Wafer R510 | 










