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| Phone | Motorola Rival A455 | ZTE Concord II | Samsung Galaxy Ring / Prevail 2 | Motorola i576 / i576s | Motorola RIZR Z3 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
4" diag. 5 : 3 |
4" diag. 5 : 3 |
? | ? |
| Display Resolution & Type |
176 x 220 pixels (~131 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? | ? |
| Battery | 940 mAh | 1,820 mAh | 1,750 mAh | ? | 780 mAh |
| Processor | ? | 1.2 GHz Qualcomm MSM8210 | 1.4 GHz Qualcomm Snapdragon S2 MSM8655 | ? | ? |
| RAM | ? | 1 GB | 1 GB | ? | ? |
| Storage | ? raw hardware | 4 GB | 4 GB | ? raw hardware | ? raw hardware |
| Main Camera | 2 megapixel | 5 megapixel | 5 megapixel | - | 2 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QVGA (320 x 240) | 720p HD | 720p HD | - | QCIF (176 x 144) |
| Front Camera | - | - | 1 megapixel | - | - |
| Weight |
4.48 oz (127g) |
4.4 oz (125g) |
3.4 oz (96g) |
4.2 oz (119g) |
3.92 oz (111g) |
| Dimensions |
3.82" x 1.96" x 0.73" (97 x 50 x 18.5 mm) |
4.96" x 2.56" x 0.42" (126 x 65 x 10.7 mm) |
4.83" x 2.48" x 0.47" (123 x 63 x 11.9 mm) |
4.3" x 1.8" x 1" (109 x 46 x 25.4 mm) |
4.15" x 1.79" x 0.65" (105 x 45 x 16.5 mm) |
| Form Factor | Slide | Slab | Slab | Clamshell | Slide |
| Platform / OS | (proprietary) | Android | Android | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 800, 850, 1900 |
iDEN: 800 |
GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO r0 | HSPA+ 21 | EVDO rA | WiDEN | EDGE |
| Features | |||||
| GPS / Location | Yes | n/a | n/a | Yes | - |
| Ruggedized | - | - | - | Yes | - |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | Yes | - |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M4 (very compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | - | Yes | - |
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | n/a | - | - |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
Yes Mini-USB |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 a,b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | - | Yes |
| Ringer ID | Yes | n/a | n/a | Yes | Yes |
| Voice Dialing | Yes | n/a | n/a | Yes | Yes |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes | Yes |
| Real-Music Ringers | Yes | n/a | n/a | - | Yes |
| Data & Network | |||||
| Data Tethering | Yes | n/a | n/a | Yes | Yes |
| WAP / Web Browser | Yes | n/a | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | - | n/a | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - | - |
| Touch Screen | Yes |
Yes Capacitive |
Yes Capacitive |
- | - |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | - | Yes |
| Messaging | |||||
| Email Client | Yes | n/a | n/a | - | Yes * |
| EMS / Picture Messaging | Yes | n/a | n/a | - | Yes |
| Instant Messaging | Yes | n/a | n/a | - | Yes |
| MMS | Yes | n/a | n/a | Yes | Yes |
| Text Messaging Templates | Yes | n/a | n/a | Yes | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | Yes | Yes | Yes | - | - |
| Music Player | Yes | n/a | n/a | - | Yes |
| Photo & Video | |||||
| DLNA | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | - | Yes |
| Calculator | Yes | n/a | n/a | - | Yes |
| Calendar | Yes | n/a | n/a | Yes | Yes |
| Voice Memo | Yes | n/a | n/a | Yes | Yes |
| Software | |||||
| BREW | Yes | n/a | n/a | - | - |
| Games | Yes | n/a | n/a | Yes | Yes |
| Java (J2ME) | - | n/a | n/a | Yes | Yes |
| Voice | |||||
| HD Voice | - | Yes | - | - | - |
| Headset Jack (2.5 mm) | - | n/a | n/a | Yes | - |
| Push-To-Talk | - | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Motorola Rival A455 | ZTE Concord II | Samsung Galaxy Ring / Prevail 2 | Motorola i576 / i576s | Motorola RIZR Z3 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Motorola Rival A455 | ZTE Concord II | Samsung Galaxy Ring / Prevail 2 | Motorola i576 / i576s | Motorola RIZR Z3 |
