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| Phone | Ericsson R520 | HTC Droid Eris | Casio G'zOne Boulder | Samsung SGH-E640 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
3.2" diag. 5 : 3 |
2" diag. 4 : 3 |
? |
| Display Resolution & Type | ? |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | ? |
| Battery | ? | 1,300 mAh | 810 mAh | 800 mAh |
| Processor | ? | 528 MHz MSM7600 | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | 5 megapixel | 1 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | CIF (352 x 288) | ? | QCIF (176 x 144) |
| Front Camera | - | - | - | - |
| Weight |
4.23 oz (120g) |
4.43 oz (126g) |
4.9 oz (139g) |
3.17 oz (90g) |
| Dimensions |
5.12" x 1.97" x 0.63" (130 x 50 x 16 mm) |
4.45" x 2.19" x 0.52" (113 x 55 x 13.2 mm) |
3.9" x 2" x 0.9" (99 x 51 x 22.9 mm) |
3.37" x 1.78" x 0.93" (86 x 45 x 23.6 mm) |
| Form Factor | Slab | Slab | Clamshell | Clamshell |
| Platform / OS | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
GSM: 900, 1800, 1900 |
| Data Technology | GPRS | EVDO rA | EVDO rA | GPRS |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | - | n/a | Yes | - |
| Ruggedized | - | - | Yes | - |
| Water-Resistant | - | - | Yes | - |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | - | Yes | Yes |
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | Yes | - | - | - |
| USB | - |
Yes Mini-USB |
Yes | Yes |
| Wi-Fi | - |
Yes 802.11 b,g |
- | - |
| Contacts | ||||
| Picture ID | - | n/a | Yes | Yes |
| Ringer ID | - | n/a | Yes | Yes |
| Voice Dialing | Yes | n/a | Yes | - |
| Customization | ||||
| Changeable Body Plates | - | - | Yes | - |
| Custom Graphics | - | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | Yes | Yes |
| Real-Music Ringers | - | n/a | - | Yes |
| Data & Network | ||||
| Data Tethering | Yes | n/a | Yes | - |
| WAP / Web Browser | Yes | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
- | - |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | - |
| Messaging | ||||
| Email Client | - | n/a | - | Yes |
| EMS / Picture Messaging | - | n/a | Yes | Yes |
| Instant Messaging | - | n/a | - | - |
| MMS | - | n/a | Yes | Yes |
| Text Messaging Templates | Yes | n/a | Yes | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | - | - |
| Music Player | - | n/a | Yes | Yes |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | Yes |
| Calculator | Yes | n/a | Yes | Yes |
| Calendar | Yes | n/a | Yes | Yes |
| To-Do List | - | n/a | - | Yes |
| Voice Memo | Yes | n/a | Yes | Yes |
| Software | ||||
| BREW | - | n/a | Yes | - |
| Games | Yes | n/a | Yes | Yes |
| Java (J2ME) | - | n/a | - | Yes |
| Voice | ||||
| Push-To-Talk | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Ericsson R520 | HTC Droid Eris | Casio G'zOne Boulder | Samsung SGH-E640 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R520 | HTC Droid Eris | Casio G'zOne Boulder | Samsung SGH-E640 |
