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| Phone | Samsung SGH-X640 | Samsung SGH-D520 | Samsung SPH-N270 (Matrix Phone) | Samsung SPH/SCH-N300 | ZTE Engage LT / Engage MT |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | 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) |
128 x 160 pixels LCD (TFT/TFD) |
128 x 64 pixels |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | 60 Hz |
| Battery | 800 mAh | 800 mAh | 1,000 mAh | ? | 1,900 mAh |
| Processor | ? | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? | 1 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | 4 GB |
| Main Camera | Yes | 1 megapixel | - | - | 3 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | CIF (352 x 288) | - | - | WVGA / 480p |
| Front Camera | - | - | - | - | Yes |
| Weight |
3 oz (85g) |
3.32 oz (94g) |
4.66 oz (132g) |
4.1 oz (116g) |
5.09 oz (144g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.98" x 1.81" x 0.63" (101 x 46 x 16 mm) |
4.53" x 2.28" x 0.79" (115 x 58 x 20.1 mm) |
4.5" x 1.9" x 0.9" (114 x 48 x 22.9 mm) |
4.78" x 2.54" x 0.46" (121 x 64 x 11.7 mm) |
| Form Factor | Clamshell | Slide | Slide | Flip | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1700, 1900 |
| Data Technology | GPRS | GPRS | - | - | EVDO rA |
| Features | |||||
| GPS / Location | - | - | Yes | Yes | n/a |
| Accessibility | |||||
| Adjustable Text Size | - | - | - | - | n/a |
| Multiple Languages | Yes | Yes | Yes | - | n/a |
| TTY/TDD (Digital) | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | - | Yes | - | - | Yes |
| USB | - | - | - | - |
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 | - | - | n/a |
| Custom Ringtones | Yes | Yes | - | - | n/a |
| Real-Music Ringers | - | - | - | - | n/a |
| Data & Network | |||||
| Data Tethering | - | Yes | - | Yes | n/a |
| External Antenna Jack | - | Yes | - | - | n/a |
| WAP / Web Browser | Yes | Yes | - | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | Yes | n/a |
| Side Keys | Yes | Yes | - | Yes | Yes |
| Touch Screen | - | - | - | - |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | - | - | - | Yes |
| Messaging | |||||
| Email Client | - | Yes | - | - | n/a |
| EMS / Picture Messaging | Yes | - | - | - | n/a |
| Instant Messaging | - | - | - | - | n/a |
| MMS | Yes | Yes | - | - | n/a |
| Text Messaging Templates | Yes | Yes | - | - | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | - | - | Yes |
| Music Player | - | - | - | - | n/a |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | Yes | n/a |
| Calendar | Yes | Yes | Yes | Yes | n/a |
| To-Do List | Yes | Yes | Yes | Yes | n/a |
| Voice Memo | Yes | Yes | Yes | - | n/a |
| Software | |||||
| Games | Yes | Yes | - | Yes | n/a |
| Java (J2ME) | Yes | Yes | - | - | n/a |
| Voice | |||||
| Headset Jack (2.5 mm) | Yes | - | Yes | Yes | n/a |
| Speaker Phone | Yes | Yes | - | - | Yes |
| Samsung SGH-X640 | Samsung SGH-D520 | Samsung SPH-N270 (Matrix Phone) | Samsung SPH/SCH-N300 | ZTE Engage LT / Engage MT | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Samsung SGH-D520 | Samsung SPH-N270 (Matrix Phone) | Samsung SPH/SCH-N300 | ZTE Engage LT / Engage MT |
