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| Phone | HTC Droid Eris | Siemens CX75 | AT&T Vista | Motorola ROKR Z6 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Not yet released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
3.2" diag. 5 : 3 |
? |
5.5" diag. 18 : 9 |
? |
| Display Resolution & Type |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
132 x 176 pixels LCD (TFT/TFD) |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz | ? |
| Battery | 1,300 mAh | 750 mAh | 2,450 mAh | 750 mAh |
| Processor | 528 MHz MSM7600 | ? | 2 GHz MediaTek Helio A22 (MT6761V) | ? |
| RAM | ? | ? | 3 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 32 GB | ? raw hardware |
| Main Camera | 5 megapixel | 1 megapixel | 8 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | CIF (352 x 288) | ? | 1080p HD | ? |
| Front Camera | - | - | 5 megapixel | - |
| Weight |
4.43 oz (126g) |
3.46 oz (98g) |
5.51 oz (156g) |
4.06 oz (115g) |
| Dimensions |
4.45" x 2.19" x 0.52" (113 x 55 x 13.2 mm) |
4.33" x 1.88" x 0.74" (110 x 48 x 18.8 mm) |
5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm) |
4.15" x 1.79" x 0.63" (105 x 45 x 16 mm) |
| Form Factor | Slab | Slab | Slab | Slide |
| Platform / OS | Android | (proprietary) | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8 |
GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO rA | GPRS | LTE (Cat 4) | EDGE |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | n/a | - | n/a | - |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | n/a | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | - | Yes |
| Alerts | ||||
| Ringer Profiles | - | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | Yes | - | - |
| USB |
Yes Mini-USB |
Yes |
Yes USB Type C |
Yes |
| Wi-Fi |
Yes 802.11 b,g |
- | Yes | - |
| Contacts | ||||
| Picture ID | n/a | Yes | n/a | Yes |
| Ringer ID | n/a | Yes | n/a | Yes |
| Voice Dialing | n/a | - | n/a | - |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | Yes |
| Custom Ringtones | n/a | Yes | n/a | Yes |
| Real-Music Ringers | n/a | - | n/a | Yes |
| Data & Network | ||||
| Data Tethering | n/a | Yes | n/a | Yes |
| WAP / Web Browser | n/a | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | n/a | Yes | n/a | Yes |
| EMS / Picture Messaging | n/a | Yes | n/a | Yes |
| Instant Messaging | n/a | - | n/a | Yes |
| MMS | n/a | Yes | n/a | Yes |
| Text Messaging Templates | n/a | - | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | Yes | - |
| Music Player | n/a | Yes | n/a | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | Yes |
| Calculator | n/a | Yes | n/a | Yes |
| Calendar | n/a | Yes | n/a | Yes |
| To-Do List | n/a | Yes | n/a | Yes |
| Voice Memo | n/a | Yes | n/a | Yes |
| Software | ||||
| Games | n/a | Yes | n/a | Yes |
| Java (J2ME) | n/a | Yes | n/a | Yes |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Push-To-Talk | - | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| HTC Droid Eris | Siemens CX75 | AT&T Vista | Motorola ROKR Z6 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | HTC Droid Eris | Siemens CX75 | AT&T Vista | Motorola ROKR Z6 |
