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Phone | Casio G'zOne Rock | Samsung SCH-A645 | ZTE Engage LT / Engage MT | Samsung SGH-P850 / P858 | Casio G'zOne Boulder |
Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
Global Availability | Released | Released | Released | Released | Released |
Specifications | |||||
---|---|---|---|---|---|
Display Size |
2.1" diag. 4 : 3 |
? |
4" diag. 5 : 3 |
? |
2" diag. 4 : 3 |
Display Resolution & Type |
240 x 320 pixels (~190 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
Display Refresh | ? | ? | 60 Hz | ? | ? |
Battery | 1,150 mAh | 1,000 mAh | 1,900 mAh | 950 mAh | 810 mAh |
Processor | ? | ? | ? | ? | ? |
RAM | ? | ? | 1 GB | ? | ? |
Storage | ? raw hardware | ? raw hardware | 4 GB | ? raw hardware | ? raw hardware |
Main Camera | 2 megapixel | - | 3 megapixel | 3 megapixel | 1 megapixel |
Wide Camera | - | - | - | - | - |
Tele Camera | - | - | - | - | - |
Video Capture | ? | - | WVGA / 480p | ? | ? |
Front Camera | - | - | Yes | - | - |
Weight |
4.4 oz (125g) |
3.2 oz (91g) |
5.09 oz (144g) |
4.23 oz (120g) |
4.9 oz (139g) |
Dimensions |
4.1" x 2" x 0.9" (104 x 51 x 22.9 mm) |
3.54" x 1.79" x 0.94" (90 x 45 x 23.9 mm) |
4.78" x 2.54" x 0.46" (121 x 64 x 11.7 mm) |
3.77" x 1.86" x 0.96" (96 x 47 x 24.4 mm) |
3.9" x 2" x 0.9" (99 x 51 x 22.9 mm) |
Form Factor | Clamshell | Clamshell | Slab | Clamshell | Clamshell |
Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) | (proprietary) |
Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1700, 1900 |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
Data Technology | EVDO rA | 1xRTT | EVDO rA | EDGE | EVDO rA |
Features | |||||
Flashlight | Yes | - | - | - | Yes |
GPS / Location | Yes | Yes | n/a | - | Yes |
Ruggedized | Yes | - | - | - | Yes |
Water-Resistant | Yes | - | - | - | Yes |
Accessibility | |||||
Adjustable Text Size | - | - | n/a | - | - |
Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
- | - |
Yes M4, T4 (very tele-coil compatible) |
Multiple Languages | Yes | Yes | n/a | Yes | Yes |
TTY/TDD (Digital) | Yes | Yes | Yes | - | Yes |
Alerts | |||||
Extra Display | Yes | Yes | - | Yes | Yes |
Connectivity | |||||
Bluetooth | Yes | - | Yes | Yes | Yes |
USB | Yes | - |
Yes Micro-USB |
Yes | Yes |
Wi-Fi | - | - | Yes | - | - |
Contacts | |||||
Picture ID | Yes | Yes | n/a | Yes | Yes |
Ringer ID | Yes | - | n/a | Yes | Yes |
Voice Dialing | Yes | Yes | n/a | - | Yes |
Customization | |||||
Changeable Body Plates | - | - | - | - | Yes |
Custom Graphics | Yes | Yes | n/a | Yes | Yes |
Custom Ringtones | Yes | Yes | n/a | Yes | Yes |
Real-Music Ringers | Yes | - | n/a | Yes | - |
Data & Network | |||||
Data Tethering | Yes | - | n/a | - | Yes |
WAP / Web Browser | Yes | Yes * | n/a | Yes | Yes |
Input | |||||
Predictive Text Entry | Yes | Yes | n/a | Yes | Yes |
Side Keys | Yes | Yes | Yes | Yes | Yes |
Touch Screen | - | - |
Yes Capacitive |
- | - |
Memory | |||||
Memory Card Slot | Yes | - | Yes | Yes | Yes |
Messaging | |||||
Email Client | Yes | - | n/a | Yes | - |
EMS / Picture Messaging | - | Yes | n/a | - | Yes |
Instant Messaging | Yes | - | n/a | - | - |
MMS | Yes | - | n/a | Yes | Yes |
Text Messaging Templates | Yes | Yes | n/a | Yes | Yes |
Music | |||||
Headphone Jack (3.5mm) | - | - | Yes | - | - |
Music Player | Yes | - | n/a | Yes | Yes |
Stereo Speakers | - | - | - | Yes | - |
Photo & Video | |||||
TV Output | - | - | - | Yes | - |
Productivity | |||||
Alarm | Yes | Yes | n/a | Yes | Yes |
Calculator | Yes | Yes | n/a | Yes | Yes |
Calendar | Yes | Yes | n/a | Yes | Yes |
To-Do List | - | Yes | n/a | - | - |
Voice Memo | Yes | Yes | n/a | Yes | Yes |
Software | |||||
BREW | Yes | Yes * | n/a | - | Yes |
Games | Yes | Yes * | n/a | Yes | Yes |
Java (J2ME) | - | - | n/a | Yes | - |
Voice | |||||
Headset Jack (2.5 mm) | Yes | Yes | n/a | - | - |
Push-To-Talk | Yes | - | - | - | Yes |
Speaker Phone | Yes | Yes | Yes | Yes | Yes |
* Some versions only | |||||
Casio G'zOne Rock | Samsung SCH-A645 | ZTE Engage LT / Engage MT | Samsung SGH-P850 / P858 | Casio G'zOne Boulder |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
Phone | Casio G'zOne Rock | Samsung SCH-A645 | ZTE Engage LT / Engage MT | Samsung SGH-P850 / P858 | Casio G'zOne Boulder |