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| Phone | ZTE Z331 | Samsung SGH-X640 | Sanyo Incognito SCP-6760 | BlackBerry 7750 | HTC Droid Eris |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
? |
2.6" diag. 4 : 3 |
? |
3.2" diag. 5 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~117 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
320 x 240 pixels (~154 ppi) LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | 60 Hz |
| Battery | 950 mAh | 800 mAh | 840 mAh | ? | 1,300 mAh |
| Processor | ? | ? | ? | ? | 528 MHz MSM7600 |
| RAM | ? | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 3 megapixel | Yes | 2 megapixel | - | 5 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QCIF (176 x 144) | - | QCIF (176 x 144) | - | CIF (352 x 288) |
| Front Camera | - | - | - | - | - |
| Weight |
4 oz (113g) |
3 oz (85g) |
4.23 oz (120g) |
5.01 oz (142g) |
4.43 oz (126g) |
| Dimensions |
3.84" x 2.02" x 0.69" (98 x 51 x 17.5 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.2" x 2.2" x 0.7" (107 x 56 x 17.8 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
4.45" x 2.19" x 0.52" (113 x 55 x 13.2 mm) |
| Form Factor | Clamshell | Clamshell | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | BlackBerry OS | Android |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | HSDPA 3.6 | GPRS | EVDO r0 | 1xRTT | EVDO rA |
| Features | |||||
| GPS / Location | Yes | - | Yes | n/a | n/a |
| Accessibility | |||||
| Adjustable Text Size | - | - | Yes | n/a | n/a |
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | Yes | - | - |
| Ringer Profiles | Yes | - | - | Yes | - |
| Connectivity | |||||
| Bluetooth | Yes | - | Yes | - | Yes |
| USB |
Yes Micro-USB |
- |
Yes Micro-USB |
Yes |
Yes Mini-USB |
| Wi-Fi | - | - | - | - |
Yes 802.11 b,g |
| Contacts | |||||
| Picture ID | Yes | Yes | Yes | n/a | n/a |
| Ringer ID | Yes | Yes | Yes | n/a | n/a |
| Voice Dialing | - | - | Yes | n/a | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | Yes | n/a | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a | n/a |
| Real-Music Ringers | Yes | - | Yes | n/a | n/a |
| Data & Network | |||||
| Data Tethering | Yes | - | - | n/a | n/a |
| WAP / Web Browser | Yes | Yes | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | Yes | - |
| Touch Screen | - | - | - | - |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | - | Yes | - | Yes |
| Messaging | |||||
| Email Client | Yes | - | Yes | n/a | n/a |
| EMS / Picture Messaging | - | Yes | - | n/a | n/a |
| Instant Messaging | Yes | - | Yes | n/a | n/a |
| MMS | Yes | Yes | Yes | n/a | n/a |
| Text Messaging Templates | Yes | Yes | Yes | n/a | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | - | - | Yes |
| Music Player | Yes | - | Yes | n/a | n/a |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | Yes | n/a | n/a |
| Calendar | Yes | Yes | Yes | n/a | n/a |
| To-Do List | - | Yes | Yes | n/a | n/a |
| Voice Memo | Yes | Yes | Yes | n/a | n/a |
| Software | |||||
| Games | Yes | Yes | Yes | n/a | n/a |
| Java (J2ME) | Yes | Yes | Yes | n/a | n/a |
| Voice | |||||
| Headset Jack (2.5 mm) | - | Yes | Yes | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | - | Yes |
| ZTE Z331 | Samsung SGH-X640 | Sanyo Incognito SCP-6760 | BlackBerry 7750 | HTC Droid Eris | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z331 | Samsung SGH-X640 | Sanyo Incognito SCP-6760 | BlackBerry 7750 | HTC Droid Eris |
