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| Phone | Sony Ericsson Z520 / Z525 | Sanyo RL-4930 | HTC Dash / S620 / S621 (Excalibur) | BlackBerry 7750 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? | ? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
128 x 112 pixels LCD (STN) |
320 x 240 pixels LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
| Display Refresh | ? | ? | ? | ? |
| Battery | ? | 1,700 mAh | 960 mAh | ? |
| Processor | ? | ? | 200 MHz OMAP 850 | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | Yes | - | 1 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | - | ? | - |
| Front Camera | - | - | - | - |
| Weight |
3.46 oz (98g) |
4.4 oz (125g) |
4.23 oz (120g) |
5.01 oz (142g) |
| Dimensions |
3.27" x 1.81" x 0.94" (83 x 46 x 23.9 mm) |
4.5" x 2" x 1" (114 x 51 x 25.4 mm) |
4.39" x 2.46" x 0.51" (112 x 62 x 13 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Windows Mobile Standard | BlackBerry OS |
| Network Bands |
GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | GPRS | 1xRTT | EDGE | 1xRTT |
| Features | ||||
| GPS / Location | - | Yes | n/a | n/a |
| Ruggedized | - | Yes | - | - |
| Accessibility | ||||
| Adjustable Text Size | - | - | n/a | n/a |
| Multiple Languages | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | Yes | - | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | - |
| Infrared (IR) | Yes | - | - | - |
| USB | Yes | Yes | Yes | Yes |
| Wi-Fi | - | - |
Yes 802.11 b,g |
- |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | n/a |
| Ringer ID | Yes | Yes | n/a | n/a |
| Voice Dialing | Yes | Yes | n/a | n/a |
| Customization | ||||
| Changeable Body Plates | Yes | - | - | - |
| 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 |
| External Antenna Jack | - | - | 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 |
| Memory | ||||
| Memory Card Slot | - | - | Yes | - |
| Messaging | ||||
| Email Client | Yes | - | n/a | n/a |
| EMS / Picture Messaging | Yes | - | n/a | n/a |
| Instant Messaging | - | - | n/a | n/a |
| MMS | Yes | - | n/a | n/a |
| Text Messaging Templates | Yes | - | n/a | n/a |
| Music | ||||
| Music Player | - | - | n/a | n/a |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | n/a |
| Calculator | Yes | - | n/a | n/a |
| Calendar | Yes | Yes | n/a | n/a |
| To-Do List | Yes | Yes | n/a | n/a |
| Voice Memo | Yes | Yes | n/a | n/a |
| Software | ||||
| Games | Yes | Yes | n/a | n/a |
| Java (J2ME) | Yes | Yes | n/a | n/a |
| Voice | ||||
| Call Screening | - | Yes | - | - |
| Headset Jack (2.5 mm) | - | - | n/a | n/a |
| Push-To-Talk | Yes * | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | - |
| * Some versions only | ||||
| Sony Ericsson Z520 / Z525 | Sanyo RL-4930 | HTC Dash / S620 / S621 (Excalibur) | BlackBerry 7750 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Sony Ericsson Z520 / Z525 | Sanyo RL-4930 | HTC Dash / S620 / S621 (Excalibur) | BlackBerry 7750 |
