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| Phone | Samsung Galaxy Rush | HTC G2 | Casio Exilim C721 | Ericsson R278d |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
3.5" diag. 5 : 3 |
3.7" diag. 5 : 3 |
2.3" diag. 4 : 3 |
? |
| Display Resolution & Type |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~252 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~174 ppi) LCD (TFT/TFD) |
101 x 40 pixels |
| Display Refresh | 60 Hz | 60 Hz | ? | ? |
| Battery | 1,750 mAh | 1,300 mAh | 920 mAh | ? |
| Processor | 1 GHz Qualcomm MSM8655 | 800 MHz Qualcomm S2 MSM7230 | ? | ? |
| RAM | 768 MB | ? | ? | ? |
| Storage | 4 GB | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 3 megapixel | 5 megapixel | 5 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | VGA (640 x 480) | 720p HD | QVGA (320 x 240) | - |
| Front Camera | 1 megapixel | - | - | - |
| Weight |
4.2 oz (119g) |
6.5 oz (184g) |
4.48 oz (127g) |
9.28 oz (263g) |
| Dimensions |
4.84" x 2.36" x 0.47" (123 x 60 x 11.9 mm) |
4.68" x 2.37" x 0.55" (119 x 60 x 14 mm) |
4.06" x 1.97" x 0.78" (103 x 50 x 19.9 mm) |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
| Form Factor | Slab | Slab | Clamshell | Slab |
| Platform / OS | Android | Android | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
TDMA: 850, 1900 AMPS: 850 |
| Data Technology | EVDO rA | HSPA 14.4 | EVDO rA | - |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | n/a | n/a | Yes | - |
| Ruggedized | - | - | Yes | - |
| Water-Resistant | - | - | Yes | - |
| Accessibility | ||||
| Adjustable Text Size | n/a | n/a | Yes | - |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | - |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | - |
| Mobile Hotspot | n/a | n/a | - | - |
| USB | Yes | Yes | Yes | - |
| Wi-Fi |
Yes 4 (802.11 a,b,g,n) |
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 | n/a | n/a | Yes | - |
| Custom Ringtones | n/a | n/a | Yes | Yes |
| Real-Music Ringers | n/a | n/a | Yes | - |
| Data & Network | ||||
| Data Tethering | n/a | n/a | Yes | Yes |
| WAP / Web Browser | n/a | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | - |
| Messaging | ||||
| Email Client | n/a | n/a | - | - |
| EMS / Picture Messaging | n/a | n/a | Yes | - |
| Instant Messaging | n/a | n/a | Yes | - |
| MMS | n/a | n/a | Yes | - |
| Text Messaging Templates | n/a | n/a | Yes | - |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | Yes | - | - |
| Music Player | n/a | n/a | Yes | - |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | Yes |
| Calculator | n/a | n/a | Yes | - |
| Calendar | n/a | n/a | Yes | - |
| To-Do List | n/a | n/a | Yes | - |
| Voice Memo | n/a | n/a | Yes | - |
| Software | ||||
| BREW | n/a | n/a | Yes | - |
| Games | n/a | n/a | Yes | - |
| Voice | ||||
| Speaker Phone | Yes | Yes | Yes | - |
| Samsung Galaxy Rush | HTC G2 | Casio Exilim C721 | Ericsson R278d | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy Rush | HTC G2 | Casio Exilim C721 | Ericsson R278d |
