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| Phone | Cal-Comp EZ | Samsung Droid Charge | AT&T Vista |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? |
4.3" diag. 5 : 3 |
5.5" diag. 18 : 9 |
| Display Resolution & Type |
128 x 128 pixels LCD (STN) |
480 x 800 pixels (~217 ppi) AMOLED |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz |
| Battery | 800 mAh | 1,500 mAh | 2,450 mAh |
| Processor | ? | 1 GHz Samsung Hummingbird | 2 GHz MediaTek Helio A22 (MT6761V) |
| RAM | ? | ? | 3 GB |
| Storage | ? raw hardware | ? raw hardware | 32 GB |
| Main Camera | - | 8 megapixel | 8 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | - | 720p HD | 1080p HD |
| Front Camera | - | 1 megapixel | 5 megapixel |
| Weight |
2.47 oz (70g) |
5.06 oz (144g) |
5.51 oz (156g) |
| Dimensions |
4.04" x 1.71" x 0.63" (103 x 43 x 16 mm) |
5.1" x 2.68" x 0.46" (130 x 68 x 11.7 mm) |
5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm) |
| Form Factor | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 13 CDMA: 850, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8 |
| Data Technology | 1xRTT | LTE (Cat 3) | LTE (Cat 4) |
| Features | |||
| Flashlight | - | - | Yes |
| GPS / Location | Yes | n/a | n/a |
| Accessibility | |||
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | - |
| Connectivity | |||
| Bluetooth | - | Yes | Yes |
| Mobile Hotspot | - | n/a | n/a |
| USB |
Yes Mini-USB |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes |
| Contacts | |||
| Picture ID | - | n/a | n/a |
| Ringer ID | - | n/a | n/a |
| Voice Dialing | - | n/a | n/a |
| Customization | |||
| Custom Graphics | - | n/a | n/a |
| Custom Ringtones | - | n/a | n/a |
| Real-Music Ringers | - | n/a | n/a |
| Data & Network | |||
| Data Tethering | - | n/a | n/a |
| WAP / Web Browser | - | n/a | n/a |
| Input | |||
| Predictive Text Entry | - | n/a | n/a |
| Side Keys | - | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | - | Yes | Yes |
| Messaging | |||
| Email Client | - | n/a | n/a |
| Instant Messaging | - | n/a | n/a |
| MMS | - | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a |
| Music | |||
| Headphone Jack (3.5mm) | - | Yes | Yes |
| Music Player | - | n/a | n/a |
| Photo & Video | |||
| DLNA | - | Yes | - |
| TV Output | - | Yes | - |
| Video Calling | - | n/a | n/a |
| Productivity | |||
| Alarm | Yes | n/a | n/a |
| Calculator | Yes | n/a | n/a |
| Calendar | Yes | n/a | n/a |
| To-Do List | Yes | n/a | n/a |
| Voice Memo | Yes * | n/a | n/a |
| Software | |||
| Games | - | n/a | n/a |
| Voice | |||
| HD Voice | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | n/a | n/a |
| Speaker Phone | - | Yes | Yes |
| * Some versions only | |||
| Cal-Comp EZ | Samsung Droid Charge | AT&T Vista | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Cal-Comp EZ | Samsung Droid Charge | AT&T Vista |
