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| Phone | Samsung Trance SCH-U490 | Palm Treo 650 (CDMA) | Motorola V551 / V330 / V547 / V555 / V557 | Samsung Sidekick 4G |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.1" diag. 4 : 3 |
? | ? |
3.5" diag. 5 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
320 x 320 pixels LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
480 x 800 pixels (~267 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | ? | ? | 820 mAh | ? |
| Processor | ? | 312 MHz Intel XScale PXA270 | ? | 1 GHz Samsung Hummingbird Cortex A8 |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | Yes | Yes | 3 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | QVGA (320 x 240) | ? | WVGA / 480p |
| Front Camera | - | - | - | Yes |
| Weight |
3.53 oz (100g) |
6.3 oz (179g) |
4.23 oz (120g) |
5.7 oz (162g) |
| Dimensions |
4" x 1.97" x 0.55" (102 x 50 x 14 mm) |
4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm) |
3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm) |
5" x 2.42" x 0.6" (127 x 61 x 15.2 mm) |
| Form Factor | Slide | Slab | Clamshell | Slide |
| Platform / OS | (proprietary) | Palm OS | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | 1xRTT | EDGE | HSPA+ 21 |
| Features | ||||
| GPS / Location | Yes | n/a | - | n/a |
| Accessibility | ||||
| Adjustable Text Size | Yes | n/a | - | n/a |
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
- | - |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | Yes | - | - |
| Mobile Hotspot | - | n/a | - | n/a |
| USB | Yes | - | Yes |
Yes Micro-USB |
| Wi-Fi | - | - | - |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | Yes | n/a | Yes | n/a |
| Ringer ID | Yes | n/a | Yes | n/a |
| Voice Dialing | Yes | n/a | Yes | n/a |
| Customization | ||||
| Custom Graphics | Yes | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a |
| Real-Music Ringers | Yes | n/a | Yes | n/a |
| Data & Network | ||||
| Data Tethering | Yes | n/a | Yes | n/a |
| WAP / Web Browser | Yes | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | Yes |
| Touch Screen | - | Yes | - | Yes |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | Yes |
| Messaging | ||||
| Email Client | - | n/a | Yes | n/a |
| EMS / Picture Messaging | - | n/a | Yes | n/a |
| Instant Messaging | - | n/a | Yes | n/a |
| MMS | Yes | n/a | Yes | n/a |
| Text Messaging Templates | Yes | n/a | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | - | Yes |
| Music Player | Yes | n/a | - | n/a |
| Photo & Video | ||||
| DLNA | - | - | - | Yes |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | n/a |
| Calculator | Yes | n/a | Yes | n/a |
| Calendar | Yes | n/a | Yes | n/a |
| To-Do List | - | n/a | - | n/a |
| Voice Memo | Yes | n/a | Yes | n/a |
| Software | ||||
| BREW | Yes | n/a | - | n/a |
| Games | Yes | n/a | Yes | n/a |
| Java (J2ME) | - | n/a | Yes | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | - | n/a | Yes | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung Trance SCH-U490 | Palm Treo 650 (CDMA) | Motorola V551 / V330 / V547 / V555 / V557 | Samsung Sidekick 4G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Trance SCH-U490 | Palm Treo 650 (CDMA) | Motorola V551 / V330 / V547 / V555 / V557 | Samsung Sidekick 4G |
