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| Phone | Motorola Rival A455 | HTC Droid Eris | HTC G2 | Samsung SGH-A127 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
3.2" diag. 5 : 3 |
3.7" diag. 5 : 3 |
? |
| Display Resolution & Type |
176 x 220 pixels (~131 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~252 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? |
| Battery | 940 mAh | 1,300 mAh | 1,300 mAh | 800 mAh |
| Processor | ? | 528 MHz MSM7600 | 800 MHz Qualcomm S2 MSM7230 | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 2 megapixel | 5 megapixel | 5 megapixel | Yes |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QVGA (320 x 240) | CIF (352 x 288) | 720p HD | - |
| Front Camera | - | - | - | - |
| Weight |
4.48 oz (127g) |
4.43 oz (126g) |
6.5 oz (184g) |
2.86 oz (81g) |
| Dimensions |
3.82" x 1.96" x 0.73" (97 x 50 x 18.5 mm) |
4.45" x 2.19" x 0.52" (113 x 55 x 13.2 mm) |
4.68" x 2.37" x 0.55" (119 x 60 x 14 mm) |
3.39" x 1.67" x 0.76" (86 x 42 x 19.3 mm) |
| Form Factor | Slide | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | Android | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1900 |
| Data Technology | EVDO r0 | EVDO rA | HSPA 14.4 | GPRS |
| Features | ||||
| GPS / Location | Yes | n/a | n/a | - |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | - |
| Mobile Hotspot | - | n/a | n/a | - |
| USB |
Yes Micro-USB |
Yes Mini-USB |
Yes | - |
| Wi-Fi | - |
Yes 802.11 b,g |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | ||||
| Picture ID | Yes | n/a | n/a | - |
| Ringer ID | Yes | n/a | n/a | Yes |
| Voice Dialing | Yes | n/a | n/a | - |
| Customization | ||||
| Custom Graphics | Yes | n/a | n/a | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes |
| Real-Music Ringers | Yes | n/a | n/a | - |
| Data & Network | ||||
| Data Tethering | Yes | n/a | n/a | - |
| WAP / Web Browser | Yes | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | - | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | Yes | - |
| Touch Screen | Yes |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | - |
| Messaging | ||||
| Email Client | Yes | n/a | n/a | - |
| EMS / Picture Messaging | Yes | n/a | n/a | - |
| Instant Messaging | Yes | n/a | n/a | - |
| MMS | Yes | n/a | n/a | Yes |
| Text Messaging Templates | Yes | n/a | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | Yes | Yes | - |
| Music Player | Yes | n/a | n/a | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | Yes |
| To-Do List | - | n/a | n/a | Yes |
| Voice Memo | Yes | n/a | n/a | Yes |
| Software | ||||
| BREW | Yes | n/a | n/a | - |
| Games | Yes | n/a | n/a | Yes |
| Java (J2ME) | - | n/a | n/a | Yes |
| Voice | ||||
| Speaker Phone | Yes | Yes | Yes | Yes |
| Motorola Rival A455 | HTC Droid Eris | HTC G2 | Samsung SGH-A127 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Motorola Rival A455 | HTC Droid Eris | HTC G2 | Samsung SGH-A127 |
