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| Phone | Samsung SCH-A645 | Motorola V551 / V330 / V547 / V555 / V557 | HTC G2 | BlackBerry 7100 / 7105 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
3.7" diag. 5 : 3 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (STN) |
176 x 220 pixels LCD (TFT/TFD) |
480 x 800 pixels (~252 ppi) LCD (TFT/TFD) |
240 x 260 pixels LCD (Color) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | 1,000 mAh | 820 mAh | 1,300 mAh | ? |
| Processor | ? | ? | 800 MHz Qualcomm S2 MSM7230 | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | Yes | 5 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | 720p HD | - |
| Front Camera | - | - | - | - |
| Weight |
3.2 oz (91g) |
4.23 oz (120g) |
6.5 oz (184g) |
4.3 oz (122g) |
| Dimensions |
3.54" x 1.79" x 0.94" (90 x 45 x 23.9 mm) |
3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm) |
4.68" x 2.37" x 0.55" (119 x 60 x 14 mm) |
4.7" x 2.3" x 0.7" (119 x 58 x 17.8 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | BlackBerry OS |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | EDGE | HSPA 14.4 | GPRS |
| Features | ||||
| GPS / Location | Yes | - | n/a | n/a |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
- |
Yes M3 (mostly compatible) |
- |
| Multiple Languages | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Extra Display | Yes | Yes | - | - |
| Ringer Profiles | - | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| Mobile Hotspot | - | - | n/a | n/a |
| USB | - | Yes | Yes | Yes |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | n/a |
| Ringer ID | - | Yes | n/a | n/a |
| Voice Dialing | Yes | Yes | n/a | n/a |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | n/a |
| Custom Ringtones | Yes | Yes | n/a | n/a |
| Real-Music Ringers | - | Yes | n/a | n/a |
| Data & Network | ||||
| Data Tethering | - | Yes | n/a | n/a |
| WAP / Web Browser | Yes * | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | Yes |
| Touch Screen | - | - |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | - | - | Yes | - |
| Messaging | ||||
| Email Client | - | Yes | n/a | n/a |
| EMS / Picture Messaging | Yes | Yes | n/a | n/a |
| Instant Messaging | - | Yes | n/a | n/a |
| MMS | - | Yes | n/a | n/a |
| Text Messaging Templates | Yes | Yes | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Music Player | - | - | n/a | n/a |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | n/a | n/a |
| Calendar | Yes | Yes | n/a | n/a |
| To-Do List | Yes | - | n/a | n/a |
| Voice Memo | Yes | Yes | n/a | n/a |
| Software | ||||
| BREW | Yes * | - | n/a | n/a |
| Games | Yes * | Yes | n/a | n/a |
| Java (J2ME) | - | Yes | n/a | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | Yes | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung SCH-A645 | Motorola V551 / V330 / V547 / V555 / V557 | HTC G2 | BlackBerry 7100 / 7105 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A645 | Motorola V551 / V330 / V547 / V555 / V557 | HTC G2 | BlackBerry 7100 / 7105 |
