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| Phone | Casio G'zOne Boulder | Samsung SCH-A990 | HTC Dash / S620 / S621 (Excalibur) | HTC TyTN / 8525 / JasJam (Hermes) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2" diag. 4 : 3 |
? | ? | ? |
| Display Resolution & Type |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
320 x 240 pixels LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 810 mAh | 1,000 mAh | 960 mAh | 1,350 mAh |
| Processor | ? | ? | 200 MHz OMAP 850 | 400 MHz Samsung |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | 3 megapixel | 1 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | ? | ? | CIF (352 x 288) |
| Front Camera | - | - | - | - |
| Weight |
4.9 oz (139g) |
4.4 oz (125g) |
4.23 oz (120g) |
6.21 oz (176g) |
| Dimensions |
3.9" x 2" x 0.9" (99 x 51 x 22.9 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
4.39" x 2.46" x 0.51" (112 x 62 x 13 mm) |
4.43" x 2.28" x 0.86" (113 x 58 x 21.8 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slide |
| Platform / OS | (proprietary) | (proprietary) | Windows Mobile Standard | Windows Mobile Professional |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO rA | EVDO r0 | EDGE | HSDPA 1.8 |
| Features | ||||
| Flashlight | Yes | Yes | - | - |
| GPS / Location | Yes | Yes | n/a | n/a |
| Ruggedized | Yes | - | - | - |
| Water-Resistant | Yes | - | - | - |
| Accessibility | ||||
| Adjustable Text Size | - | - | n/a | n/a |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
- | - |
| Multiple Languages | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | Yes | - | - |
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | - | - | Yes |
| USB | Yes | Yes | Yes |
Yes Mini-USB |
| Wi-Fi | - | - |
Yes 802.11 b,g |
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 | 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 |
| Touch Screen | - | - | - | Yes |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | - | - | n/a | n/a |
| EMS / Picture Messaging | Yes | Yes | n/a | n/a |
| Instant Messaging | - | - | n/a | n/a |
| MMS | Yes | Yes | n/a | n/a |
| Text Messaging Templates | Yes | Yes | n/a | n/a |
| Music | ||||
| Music Player | Yes | Yes | n/a | n/a |
| Stereo Speakers | - | Yes | - | - |
| Photo & Video | ||||
| TV Output | - | Yes | - | - |
| Video Calling | - | - | 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 | - | - | n/a | n/a |
| Voice Memo | Yes | Yes | n/a | n/a |
| Software | ||||
| BREW | Yes | Yes | n/a | n/a |
| Games | Yes | Yes | n/a | n/a |
| Java (J2ME) | - | - | n/a | n/a |
| Voice | ||||
| Push-To-Talk | Yes | - | - | Yes * |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Casio G'zOne Boulder | Samsung SCH-A990 | HTC Dash / S620 / S621 (Excalibur) | HTC TyTN / 8525 / JasJam (Hermes) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Casio G'zOne Boulder | Samsung SCH-A990 | HTC Dash / S620 / S621 (Excalibur) | HTC TyTN / 8525 / JasJam (Hermes) |
