Compare Phones
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| Phone | Motorola T720 / T721 (GSM) | Samsung SGH-X640 | Samsung Messager III / R570 | Palm Treo Pro (CDMA) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
2.4" diag. 4 : 3 |
? |
| Display Resolution & Type |
120 x 160 pixels LCD (STN) |
128 x 160 pixels LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
320 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | ? | 800 mAh | 1,140 mAh | 1,500 mAh |
| Processor | ? | ? | ? | 528 MHz Qualcomm MSM7501a |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | Yes | 1 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | - | ? |
| Front Camera | - | - | - | - |
| Weight |
3.56 oz (101g) |
3 oz (85g) |
3.7 oz (105g) |
4.69 oz (133g) |
| Dimensions |
3.5" x 1.87" x 0.83" (89 x 47 x 21.1 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.59" x 2.11" x 0.59" (117 x 53 x 15 mm) |
4.49" x 2.36" x 0.53" (114 x 60 x 13.5 mm) |
| Form Factor | Clamshell | Clamshell | Slide | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Windows Mobile Professional |
| Network Bands |
GSM: 850, 1900 |
GSM: 900, 1800, 1900 |
CDMA: 850, 1700, 1900 |
CDMA: 850, 1900 |
| Data Technology | GPRS | GPRS | 1xRTT | EVDO rA |
| Features | ||||
| GPS / Location | - | - | Yes | n/a |
| Accessibility | ||||
| Adjustable Text Size | - | - | - | n/a |
| Hearing Aid Compatible | - | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | - | - | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | - | - | Yes | Yes |
| Infrared (IR) | - | - | - | Yes |
| USB | - | - | Yes |
Yes Micro-USB |
| Wi-Fi | - | - | - |
Yes 802.11 b,g |
| Contacts | ||||
| Picture ID | - | Yes | Yes | n/a |
| Ringer ID | Yes | Yes | Yes | n/a |
| Voice Dialing | Yes | - | Yes | n/a |
| Customization | ||||
| Changeable Body Plates | Yes | - | - | - |
| Custom Graphics | Yes | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a |
| Real-Music Ringers | - | - | Yes | n/a |
| Data & Network | ||||
| Data Tethering | Yes | - | - | n/a |
| WAP / Web Browser | Yes | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | - | - | - | Yes |
| Text Keyboard, Hardware | - | - | Yes | Yes |
| Touch Screen | - | - | - |
Yes Resistive |
| Memory | ||||
| Memory Card Slot | - | - | Yes | Yes |
| Messaging | ||||
| Email Client | Yes | - | - | n/a |
| EMS / Picture Messaging | Yes | Yes | - | n/a |
| Instant Messaging | - | - | - | n/a |
| MMS | - | Yes | Yes | n/a |
| Text Messaging Templates | Yes | Yes | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | Yes |
| Music Player | - | - | Yes | n/a |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | n/a |
| Calendar | Yes | Yes | Yes | n/a |
| To-Do List | - | Yes | - | n/a |
| Voice Memo | Yes | Yes | Yes | n/a |
| Software | ||||
| BREW | - | - | Yes | n/a |
| Games | Yes | Yes | Yes | n/a |
| Java (J2ME) | Yes | Yes | - | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | Yes | - | n/a |
| Speaker Phone | - | Yes | Yes | Yes |
| * Some versions only | ||||
| Motorola T720 / T721 (GSM) | Samsung SGH-X640 | Samsung Messager III / R570 | Palm Treo Pro (CDMA) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Motorola T720 / T721 (GSM) | Samsung SGH-X640 | Samsung Messager III / R570 | Palm Treo Pro (CDMA) |
