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| Phone | Ericsson R520 | Sony Ericsson K750 / W800 / D750 / W700 | Nokia 3555 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? | ? |
1.8" diag. 4 : 3 |
| Display Resolution & Type | ? |
176 x 220 pixels LCD (TFT/TFD) |
128 x 160 pixels (~114 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? |
| Battery | ? | 900 mAh | ? |
| Processor | ? | ? | ? |
| RAM | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | 2 megapixel | Yes |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | - | ? | QCIF (176 x 144) |
| Front Camera | - | - | - |
| Weight |
4.23 oz (120g) |
3.49 oz (99g) |
3.32 oz (94g) |
| Dimensions |
5.12" x 1.97" x 0.63" (130 x 50 x 16 mm) |
3.94" x 1.81" x 0.79" (100 x 46 x 20.1 mm) |
3.94" x 1.75" x 0.83" (100 x 44 x 21 mm) |
| Form Factor | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
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| Data Technology | GPRS | GPRS | WCDMA (UMTS) |
| Features | |||
| Flashlight | - | Yes | - |
| Accessibility | |||
| Hearing Aid Compatible | - | - |
Yes * M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes |
| TTY/TDD (Digital) | - | Yes | - |
| Alerts | |||
| Extra Display | - | - | Yes |
| Ringer Profiles | Yes | Yes | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| Infrared (IR) | Yes | Yes | - |
| USB | - | Yes | Yes |
| Contacts | |||
| Picture ID | - | Yes | Yes |
| Ringer ID | - | Yes | Yes |
| Voice Dialing | Yes | Yes | Yes |
| Customization | |||
| Custom Graphics | - | Yes | Yes |
| Custom Ringtones | Yes | Yes | Yes |
| Real-Music Ringers | - | - | Yes |
| Data & Network | |||
| Data Tethering | Yes | Yes | - |
| WAP / Web Browser | Yes | Yes | Yes |
| Input | |||
| Predictive Text Entry | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes |
| Memory | |||
| Memory Card Slot | - | Yes | Yes |
| Messaging | |||
| Email Client | - | Yes | - |
| EMS / Picture Messaging | - | Yes | - |
| Instant Messaging | - | - | Yes * |
| MMS | - | Yes | Yes |
| Text Messaging Templates | Yes | Yes | Yes |
| Music | |||
| FM Radio | - | Yes | - |
| Music Player | - | Yes | Yes |
| Productivity | |||
| Alarm | Yes | Yes | Yes |
| Calculator | Yes | Yes | Yes |
| Calendar | Yes | Yes | Yes |
| To-Do List | - | Yes | Yes |
| Voice Memo | Yes | Yes | Yes |
| Software | |||
| Games | Yes | Yes | Yes |
| Java (J2ME) | - | Yes | Yes |
| Voice | |||
| Headset Jack (2.5 mm) | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| Ericsson R520 | Sony Ericsson K750 / W800 / D750 / W700 | Nokia 3555 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R520 | Sony Ericsson K750 / W800 / D750 / W700 | Nokia 3555 |
