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| Phone | Samsung SGH-E640 | ZTE Engage LT / Engage MT | Motorola E398 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? |
4" diag. 5 : 3 |
? |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? |
| Battery | 800 mAh | 1,900 mAh | ? |
| Processor | ? | ? | ? |
| RAM | ? | 1 GB | ? |
| Storage | ? raw hardware | 4 GB | ? raw hardware |
| Main Camera | 1 megapixel | 3 megapixel | Yes |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | QCIF (176 x 144) | WVGA / 480p | - |
| Front Camera | - | Yes | - |
| Weight |
3.17 oz (90g) |
5.09 oz (144g) |
3.88 oz (110g) |
| Dimensions |
3.37" x 1.78" x 0.93" (86 x 45 x 23.6 mm) |
4.78" x 2.54" x 0.46" (121 x 64 x 11.7 mm) |
4.25" x 1.81" x 0.81" (108 x 46 x 20.6 mm) |
| Form Factor | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1700, 1900 |
GSM: 900, 1800, 1900 |
| Data Technology | GPRS | EVDO rA | GPRS |
| Features | |||
| GPS / Location | - | n/a | - |
| Accessibility | |||
| Adjustable Text Size | - | n/a | - |
| Multiple Languages | Yes | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes |
| Alerts | |||
| Extra Display | Yes | - | - |
| Ringer Profiles | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| USB | Yes |
Yes Micro-USB |
Yes |
| Wi-Fi | - | Yes | - |
| Contacts | |||
| Picture ID | Yes | n/a | Yes |
| Ringer ID | Yes | n/a | Yes |
| Voice Dialing | - | n/a | Yes |
| Customization | |||
| Custom Graphics | Yes | n/a | Yes |
| Custom Ringtones | Yes | n/a | Yes |
| Real-Music Ringers | Yes | n/a | Yes |
| Data & Network | |||
| Data Tethering | - | n/a | Yes |
| WAP / Web Browser | Yes | n/a | Yes |
| Input | |||
| Predictive Text Entry | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
- |
| Memory | |||
| Memory Card Slot | - | Yes | Yes |
| Messaging | |||
| Email Client | Yes | n/a | Yes |
| EMS / Picture Messaging | Yes | n/a | Yes |
| Instant Messaging | - | n/a | Yes |
| MMS | Yes | n/a | Yes |
| Text Messaging Templates | Yes | n/a | - |
| Music | |||
| Headphone Jack (3.5mm) | - | Yes | - |
| Music Player | Yes | n/a | Yes |
| Stereo Speakers | - | - | Yes |
| Productivity | |||
| Alarm | Yes | n/a | Yes |
| Calculator | Yes | n/a | Yes |
| Calendar | Yes | n/a | Yes |
| To-Do List | Yes | n/a | - |
| Voice Memo | Yes | n/a | Yes |
| Software | |||
| Games | Yes | n/a | Yes * |
| Java (J2ME) | Yes | n/a | Yes |
| Voice | |||
| Headset Jack (2.5 mm) | - | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| Samsung SGH-E640 | ZTE Engage LT / Engage MT | Motorola E398 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-E640 | ZTE Engage LT / Engage MT | Motorola E398 |
