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| Phone | Samsung SGH-E635 / SGH-E630 | Samsung SGH-T819 | Samsung SCH-A990 | ZTE Engage LT / Engage MT |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? |
4" diag. 5 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | 800 mAh | ? | 1,000 mAh | 1,900 mAh |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | 1 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 4 GB |
| Main Camera | Yes | 1 megapixel | 3 megapixel | 3 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | QCIF (176 x 144) | ? | WVGA / 480p |
| Front Camera | - | - | - | Yes |
| Weight |
2.78 oz (79g) |
3.46 oz (98g) |
4.4 oz (125g) |
5.09 oz (144g) |
| Dimensions |
3.34" x 1.69" x 0.85" (85 x 43 x 21.6 mm) |
3.96" x 2.03" x 0.55" (101 x 52 x 14 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
4.78" x 2.54" x 0.46" (121 x 64 x 11.7 mm) |
| Form Factor | Slide | Slide | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android |
| Network Bands |
GSM: 850, 1800, 1900 |
WCDMA: 4 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1700, 1900 |
| Data Technology | GPRS | WCDMA (UMTS) | EVDO r0 | EVDO rA |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | - | - | Yes | n/a |
| Accessibility | ||||
| Adjustable Text Size | - | - | - | n/a |
| Hearing Aid Compatible | - | - |
Yes M3 (mostly compatible) |
- |
| Multiple Languages | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | - | - | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| Infrared (IR) | Yes | - | - | - |
| USB | - | Yes | Yes |
Yes Micro-USB |
| Wi-Fi | - | - | - | Yes |
| Contacts | ||||
| Picture ID | Yes | Yes | Yes | n/a |
| Ringer ID | Yes | Yes | Yes | n/a |
| Voice Dialing | - | Yes | Yes | n/a |
| Customization | ||||
| Custom Graphics | Yes | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a |
| Real-Music Ringers | - | Yes | Yes | n/a |
| Data & Network | ||||
| Data Tethering | Yes | Yes | Yes | n/a |
| WAP / Web Browser | Yes | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | - | - | - | n/a |
| EMS / Picture Messaging | Yes | Yes | Yes | n/a |
| Instant Messaging | - | Yes | - | n/a |
| MMS | Yes | Yes | Yes | n/a |
| Text Messaging Templates | Yes | Yes | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | - | Yes | Yes | n/a |
| Stereo Speakers | - | - | Yes | - |
| Photo & Video | ||||
| TV Output | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | n/a |
| Calendar | Yes | Yes | Yes | n/a |
| To-Do List | Yes | Yes | - | n/a |
| Voice Memo | Yes | - | Yes | n/a |
| Software | ||||
| BREW | - | - | Yes | n/a |
| Games | Yes | Yes | Yes | n/a |
| Java (J2ME) | Yes | Yes | - | n/a |
| Voice | ||||
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung SGH-E635 / SGH-E630 | Samsung SGH-T819 | Samsung SCH-A990 | ZTE Engage LT / Engage MT | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-E635 / SGH-E630 | Samsung SGH-T819 | Samsung SCH-A990 | ZTE Engage LT / Engage MT |
