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| Phone | Samsung Rugby A837 | Motorola KRZR K1 | Samsung Transform Ultra | Motorola RIZR Z3 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2" diag. 4 : 3 |
? |
3.5" diag. 5 : 3 |
? |
| Display Resolution & Type |
176 x 220 pixels (~141 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | 1,000 mAh | 780 mAh | 1,500 mAh | 780 mAh |
| Processor | ? | ? | 1 GHz Qualcomm Snapdragon S2 MSM8655 | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | 2 megapixel | 3 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QCIF (176 x 144) | ? | VGA (640 x 480) | QCIF (176 x 144) |
| Front Camera | - | - | Yes | - |
| Weight |
4.66 oz (132g) |
3.6 oz (102g) |
4.9 oz (139g) |
3.92 oz (111g) |
| Dimensions |
3.95" x 2.05" x 0.9" (100 x 52 x 22.9 mm) |
4.05" x 1.65" x 0.63" (103 x 42 x 16 mm) |
4.5" x 2.4" x 0.55" (114 x 61 x 14 mm) |
4.15" x 1.79" x 0.65" (105 x 45 x 16.5 mm) |
| Form Factor | Clamshell | Clamshell | Slide | Slide |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
CDMA: 800, 850, 1900 |
GSM: 850, 900, 1800, 1900 |
| Data Technology | HSDPA 3.6 | EDGE | EVDO rA | EDGE |
| Features | ||||
| GPS / Location | Yes | - | n/a | - |
| Ruggedized | Yes | - | - | - |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M4 (very compatible) |
- |
| Multiple Languages | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | Yes | - | - |
| Ringer Profiles | - | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | - | n/a | - |
| USB | Yes | Yes | Yes |
Yes Mini-USB |
| Wi-Fi | - | - |
Yes 4 (802.11 a,b,g,n) |
- |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | Yes |
| Ringer ID | Yes | Yes | n/a | Yes |
| Voice Dialing | - | Yes | n/a | Yes |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | Yes |
| Custom Ringtones | Yes | Yes | n/a | Yes |
| Real-Music Ringers | Yes | - | n/a | Yes |
| Data & Network | ||||
| Data Tethering | Yes | Yes | n/a | Yes |
| WAP / Web Browser | Yes | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - |
| Touch Screen | - | - |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | Yes | Yes | n/a | Yes * |
| EMS / Picture Messaging | - | Yes | n/a | Yes |
| Instant Messaging | Yes | - | n/a | Yes |
| MMS | Yes | Yes | n/a | Yes |
| Text Messaging Templates | Yes | Yes | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Music Player | Yes | Yes | n/a | Yes |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | Yes |
| Calculator | Yes | Yes | n/a | Yes |
| Calendar | Yes | Yes | n/a | Yes |
| Voice Memo | Yes | Yes | n/a | Yes |
| Software | ||||
| Games | Yes | Yes | n/a | Yes |
| Java (J2ME) | Yes | Yes | n/a | Yes |
| Voice | ||||
| Push-To-Talk | Yes | Yes * | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung Rugby A837 | Motorola KRZR K1 | Samsung Transform Ultra | Motorola RIZR Z3 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Rugby A837 | Motorola KRZR K1 | Samsung Transform Ultra | Motorola RIZR Z3 |
