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| Phone | Motorola EM330 / EM28 | HTC Droid Eris | BlackBerry Pearl 3G 9100 / 9105 | Motorola Rival A455 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
1.8" diag. 4 : 3 |
3.2" diag. 5 : 3 |
2.3" diag. 1 : 1 |
2.2" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels (~114 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
360 x 400 pixels (~238 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~131 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | ? |
| Battery | 940 mAh | 1,300 mAh | 1,150 mAh | 940 mAh |
| Processor | ? | 528 MHz MSM7600 | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | 5 megapixel | 3 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | CIF (352 x 288) | ? | QVGA (320 x 240) |
| Front Camera | - | - | - | - |
| Weight |
3.17 oz (90g) |
4.43 oz (126g) |
3.3 oz (94g) |
4.48 oz (127g) |
| Dimensions |
3.71" x 1.95" x 0.68" (94 x 50 x 17.4 mm) |
4.45" x 2.19" x 0.52" (113 x 55 x 13.2 mm) |
4.25" x 1.96" x 0.52" (108 x 50 x 13.2 mm) |
3.82" x 1.96" x 0.73" (97 x 50 x 18.5 mm) |
| Form Factor | Clamshell | Slab | Slab | Slide |
| Platform / OS | (proprietary) | Android | BlackBerry OS | (proprietary) |
| Network Bands |
GSM: 850, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
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| Data Technology | EDGE | EVDO rA | HSDPA 3.6 | EVDO r0 |
| Features | ||||
| GPS / Location | - | n/a | n/a | Yes |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | n/a | - |
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| USB |
Yes Mini-USB |
Yes Mini-USB |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi | - |
Yes 802.11 b,g |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | ||||
| Picture ID | - | n/a | n/a | Yes |
| Ringer ID | - | n/a | n/a | Yes |
| Voice Dialing | - | n/a | n/a | Yes |
| 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 | Yes |
| Data & Network | ||||
| Data Tethering | - | n/a | n/a | Yes |
| WAP / Web Browser | Yes | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | - |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes * | Yes |
| Touch Screen | - |
Yes Capacitive |
- | Yes |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | - | n/a | n/a | Yes |
| EMS / Picture Messaging | Yes | n/a | n/a | Yes |
| Instant Messaging | - | n/a | n/a | Yes |
| MMS | Yes | n/a | n/a | Yes |
| Text Messaging Templates | Yes | n/a | n/a | Yes |
| Music | ||||
| FM Radio | Yes | - | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes |
| Music Player | Yes | n/a | n/a | Yes |
| 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 | - |
| Voice Memo | - | n/a | n/a | Yes |
| Software | ||||
| BREW | - | n/a | n/a | Yes |
| Games | Yes | n/a | n/a | Yes |
| Java (J2ME) | Yes | n/a | n/a | - |
| Voice | ||||
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Motorola EM330 / EM28 | HTC Droid Eris | BlackBerry Pearl 3G 9100 / 9105 | Motorola Rival A455 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Motorola EM330 / EM28 | HTC Droid Eris | BlackBerry Pearl 3G 9100 / 9105 | Motorola Rival A455 |
