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| Phone | Casio G'zOne Boulder | Cal-Comp EZ | Apple iPhone 4 (CDMA) | Kyocera Brigadier | Kyocera 3225 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2" diag. 4 : 3 |
? |
3.5" diag. 5 : 3 |
4.5" diag. 16 : 9 |
? |
| Display Resolution & Type |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
640 x 960 pixels (~330 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~326 ppi) LCD (TFT/TFD) |
? LCD (Grayscale) |
| Display Refresh | ? | ? | 60 Hz | 60 Hz | ? |
| Battery | 810 mAh | 800 mAh | ? | 3,100 mAh | ? |
| Processor | ? | ? | ? | 1.4 GHz Qualcomm Snapdragon 400 MSM8928 | ? |
| RAM | ? | ? | ? | 2 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 8 GB * | 16 GB | ? raw hardware |
| Main Camera | 1 megapixel | - | 5 megapixel | 8 megapixel | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | ? | - | 720p HD | 1080p HD | - |
| Front Camera | - | - | Yes | 2 megapixel | - |
| Weight |
4.9 oz (139g) |
2.47 oz (70g) |
4.8 oz (136g) |
6.6 oz (187g) |
4.23 oz (120g) |
| Dimensions |
3.9" x 2" x 0.9" (99 x 51 x 22.9 mm) |
4.04" x 1.71" x 0.63" (103 x 43 x 16 mm) |
4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm) |
5.37" x 2.69" x 0.52" (136 x 68 x 13.2 mm) |
3.4" x 1.97" x 1.02" (86 x 50 x 25.9 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | iOS | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
4G LTE: 4, 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | EVDO rA | 1xRTT | EVDO rA | LTE (Cat 3) | 1xRTT |
| Features | |||||
| Flashlight | Yes | - | - | Yes | - |
| GPS / Location | Yes | Yes | n/a | n/a | Yes |
| Ruggedized | Yes | - | - | Yes | - |
| Water-Resistant | Yes | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | |||||
| Adjustable Text Size | - | - | n/a | n/a | - |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | - | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Connectivity | |||||
| Bluetooth | Yes | - | Yes | Yes | - |
| Mobile Hotspot | - | - | n/a | n/a | - |
| NFC | - | - | - | Yes | - |
| USB | Yes |
Yes Mini-USB |
Yes |
Yes Micro-USB |
- |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | |||||
| Picture ID | Yes | - | n/a | n/a | - |
| Ringer ID | Yes | - | n/a | n/a | - |
| Voice Dialing | Yes | - | n/a | n/a | Yes |
| Customization | |||||
| Changeable Body Plates | Yes | - | - | - | - |
| Custom Graphics | Yes | - | n/a | n/a | Yes |
| Custom Ringtones | Yes | - | n/a | n/a | Yes |
| Real-Music Ringers | - | - | n/a | n/a | - |
| Data & Network | |||||
| Data Tethering | Yes | - | n/a | n/a | Yes |
| WAP / Web Browser | Yes | - | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | - | n/a | n/a | Yes |
| Side Keys | Yes | - | Yes | Yes | - |
| Touch Screen | - | - |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | Yes | - | - | Yes | - |
| Messaging | |||||
| Email Client | - | - | n/a | n/a | - |
| EMS / Picture Messaging | Yes | - | n/a | n/a | Yes |
| Instant Messaging | - | - | n/a | n/a | - |
| MMS | Yes | - | n/a | n/a | - |
| Text Messaging Templates | Yes | Yes | n/a | n/a | - |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | Yes | Yes | - |
| Music Player | Yes | - | n/a | n/a | - |
| Photo & Video | |||||
| Miracast | - | - | - | Yes | - |
| TV Output | - | - | Yes | - | - |
| Video Calling | - | - | n/a | n/a | - |
| Power | |||||
| Wireless Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | n/a | Yes |
| Calculator | Yes | Yes | n/a | n/a | Yes |
| Calendar | Yes | Yes | n/a | n/a | Yes |
| To-Do List | - | Yes | n/a | n/a | - |
| Voice Memo | Yes | Yes * | n/a | n/a | - |
| Software | |||||
| BREW | Yes | - | n/a | n/a | Yes |
| Games | Yes | - | n/a | n/a | Yes |
| Voice | |||||
| Headset Jack (2.5 mm) | - | Yes | n/a | n/a | Yes |
| Push-To-Talk | Yes | - | - | Yes | - |
| Speaker Phone | Yes | - | Yes | Yes | Yes |
| * Some versions only | |||||
| Casio G'zOne Boulder | Cal-Comp EZ | Apple iPhone 4 (CDMA) | Kyocera Brigadier | Kyocera 3225 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Casio G'zOne Boulder | Cal-Comp EZ | Apple iPhone 4 (CDMA) | Kyocera Brigadier | Kyocera 3225 |
