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| Phone | Casio G'zOne Boulder | Ericsson R520 | Motorola Sidekick Slide | BlackBerry Bold 9790 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Not yet released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2" diag. 4 : 3 |
? | ? |
2.5" diag. 4 : 3 |
| Display Resolution & Type |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
? |
320 x 240 pixels LCD (TFT/TFD) |
480 x 360 pixels (~245 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 810 mAh | ? | ? | ? |
| Processor | ? | ? | 225 MHz TI OMAP 850 | 1 GHz Marvel Tavor MG1 |
| RAM | ? | ? | ? | 768 MB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 8 GB |
| Main Camera | 1 megapixel | - | 1 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | - | - | VGA (640 x 480) |
| Front Camera | - | - | - | - |
| Weight |
4.9 oz (139g) |
4.23 oz (120g) |
5.3 oz (150g) |
3.77 oz (107g) |
| Dimensions |
3.9" x 2" x 0.9" (99 x 51 x 22.9 mm) |
5.12" x 1.97" x 0.63" (130 x 50 x 16 mm) |
4.65" x 2.44" x 0.69" (118 x 62 x 17.5 mm) |
4.33" x 2.36" x 0.45" (110 x 60 x 11.4 mm) |
| Form Factor | Clamshell | Slab | Slide | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | BlackBerry OS |
| Network Bands |
CDMA: 850, 1900 |
GSM: 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
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| Data Technology | EVDO rA | GPRS | EDGE | HSPA 7.2 |
| Features | ||||
| Flashlight | Yes | - | - | - |
| GPS / Location | Yes | - | - | n/a |
| Ruggedized | Yes | - | - | - |
| Water-Resistant | Yes | - | - | - |
| Accessibility | ||||
| Adjustable Text Size | - | - | Yes | n/a |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
- | - | - |
| Multiple Languages | Yes | Yes | - | n/a |
| TTY/TDD (Digital) | Yes | - | - | - |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | - | Yes | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | Yes | - | - |
| Mobile Hotspot | - | - | - | n/a |
| NFC | - | - | - | Yes |
| USB | Yes | - | Yes |
Yes Micro-USB |
| Wi-Fi | - | - | - |
Yes 4 (802.11 a,b,g,n) |
| Contacts | ||||
| Picture ID | Yes | - | Yes | n/a |
| Ringer ID | Yes | - | Yes | n/a |
| Voice Dialing | Yes | Yes | - | n/a |
| Customization | ||||
| Changeable Body Plates | Yes | - | - | - |
| Custom Graphics | Yes | - | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a |
| Real-Music Ringers | - | - | Yes | n/a |
| Data & Network | ||||
| Data Tethering | Yes | Yes | - | n/a |
| WAP / Web Browser | Yes | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | - | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | Yes |
| Touch Screen | - | - | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | Yes |
| Messaging | ||||
| Email Client | - | - | Yes | n/a |
| EMS / Picture Messaging | Yes | - | - | n/a |
| Instant Messaging | - | - | Yes | n/a |
| MMS | Yes | - | Yes | n/a |
| Text Messaging Templates | Yes | Yes | - | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | Yes | - | Yes | n/a |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | - | n/a |
| Calendar | Yes | Yes | Yes | n/a |
| To-Do List | - | - | Yes | n/a |
| Voice Memo | Yes | Yes | - | n/a |
| Software | ||||
| BREW | Yes | - | - | n/a |
| Games | Yes | Yes | Yes | n/a |
| Java (J2ME) | - | - | Yes | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | - | - | Yes | n/a |
| Push-To-Talk | Yes | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Casio G'zOne Boulder | Ericsson R520 | Motorola Sidekick Slide | BlackBerry Bold 9790 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Casio G'zOne Boulder | Ericsson R520 | Motorola Sidekick Slide | BlackBerry Bold 9790 |
