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| Phone | Samsung SGH-X640 | Motorola V710 | Motorola i90c | Sony Ericsson K750 / W800 / D750 / W700 | Siemens CX75 | 
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | Released | Not yet released | 
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? | ? | ? | ? | 
| Display Resolution & Type | 128 x 160 pixels LCD (TFT/TFD) | 176 x 220 pixels LCD (TFT/TFD) | ? LCD (Grayscale) | 176 x 220 pixels LCD (TFT/TFD) | 132 x 176 pixels LCD (TFT/TFD) | 
| Display Refresh | ? | ? | ? | ? | ? | 
| Battery | 800 mAh | ? | ? | 900 mAh | 750 mAh | 
| Processor | ? | ? | ? | ? | ? | 
| RAM | ? | ? | ? | ? | ? | 
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | 
| Main Camera | Yes | 1 megapixel | - | 2 megapixel | 1 megapixel | 
| Wide Camera | - | - | - | - | - | 
| Tele Camera | - | - | - | - | - | 
| Video Capture | - | ? | - | ? | ? | 
| Front Camera | - | - | - | - | - | 
| Weight | 3 oz (85g) | 4.06 oz (115g) | 5.33 oz (151g) | 3.49 oz (99g) | 3.46 oz (98g) | 
| Dimensions | 3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) | 3.7" x 1.93" x 0.92" (94 x 49 x 23.4 mm) | 3.5" x 2" x 1.1" (89 x 51 x 27.9 mm) | 3.94" x 1.81" x 0.79" (100 x 46 x 20.1 mm) | 4.33" x 1.88" x 0.74" (110 x 48 x 18.8 mm) | 
| Form Factor | Clamshell | Clamshell | Clamshell | Slab | Slab | 
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) | (proprietary) | 
| Network Bands | GSM: 900, 1800, 1900 | CDMA: 850, 1900 AMPS: 850 | iDEN: 800 | GSM: 900, 1800, 1900 | GSM: 900, 1800, 1900 | 
| Data Technology | GPRS | 1xRTT | - | GPRS | GPRS | 
| Features | |||||
| Flashlight | - | - | - | Yes | - | 
| GPS / Location | - | Yes | - | - | - | 
| Accessibility | |||||
| Hearing Aid Compatible | - | Yes | - | - | - | 
| Multiple Languages | Yes | Yes | Yes | Yes | Yes | 
| TTY/TDD (Digital) | - | Yes | Yes | Yes | - | 
| Alerts | |||||
| Extra Display | - | Yes | Yes | - | - | 
| Ringer Profiles | - | - | Yes | Yes | Yes | 
| Connectivity | |||||
| Bluetooth | - | Yes Classic Audio | - | Yes Classic Audio | Yes Classic Audio | 
| Infrared (IR) | - | - | - | Yes | Yes | 
| USB | - | Yes * | - | Yes | Yes | 
| Contacts | |||||
| Picture ID | Yes | Yes | - | Yes | Yes | 
| Ringer ID | Yes | Yes | - | Yes | Yes | 
| Voice Dialing | - | Yes | Yes | Yes | - | 
| Customization | |||||
| Custom Graphics | Yes | Yes | - | Yes | Yes | 
| Custom Ringtones | Yes | Yes | - | Yes | Yes | 
| Real-Music Ringers | - | Yes | - | - | - | 
| Data & Network | |||||
| Data Tethering | - | Yes | Yes | Yes | Yes | 
| WAP / Web Browser | Yes | Yes | Yes | Yes | Yes | 
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | Yes | Yes | 
| Side Keys | Yes | Yes | Yes | Yes | Yes | 
| Memory | |||||
| Memory Card Slot | - | Yes | - | Yes | Yes | 
| Messaging | |||||
| Email Client | - | Yes * | - | Yes | Yes | 
| EMS / Picture Messaging | Yes | Yes | - | Yes | Yes | 
| MMS | Yes | Yes | - | Yes | Yes | 
| Text Messaging Templates | Yes | Yes | - | Yes | - | 
| Music | |||||
| FM Radio | - | - | - | Yes | - | 
| Music Player | - | Yes | - | Yes | Yes | 
| Productivity | |||||
| Alarm | Yes | Yes | Yes | Yes | Yes | 
| Calculator | Yes | Yes | Yes | Yes | Yes | 
| Calendar | Yes | Yes | Yes | Yes | Yes | 
| To-Do List | Yes | - | - | Yes | Yes | 
| Voice Memo | Yes | Yes | Yes | Yes | Yes | 
| Software | |||||
| BREW | - | Yes | - | - | - | 
| Games | Yes | Yes | Yes | Yes | Yes | 
| Java (J2ME) | Yes | - | Yes | Yes | Yes | 
| Voice | |||||
| Headset Jack (2.5 mm) | Yes | Yes | Yes | - | - | 
| Push-To-Talk | - | - | Yes | - | Yes | 
| Speaker Phone | Yes | Yes | Yes | Yes | Yes | 
| * Some versions only | |||||
| Samsung SGH-X640 | Motorola V710 | Motorola i90c | Sony Ericsson K750 / W800 / D750 / W700 | Siemens CX75 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
|  |  |  |  |  | |
| Phone | Samsung SGH-X640 | Motorola V710 | Motorola i90c | Sony Ericsson K750 / W800 / D750 / W700 | Siemens CX75 | 
 







