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| Phone | Samsung SGH-X640 | Cal-Comp EZ | AT&T Vista | Pantech Laser | Nokia 7380 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? |
5.5" diag. 18 : 9 |
3.1" diag. 5 : 3 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~301 ppi) AMOLED |
208 x 104 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? | ? |
| Battery | 800 mAh | 800 mAh | 2,450 mAh | 1,000 mAh | 700 mAh |
| Processor | ? | ? | 2 GHz MediaTek Helio A22 (MT6761V) | ? | ? |
| RAM | ? | ? | 3 GB | ? | ? |
| Storage | ? raw hardware | ? raw hardware | 32 GB | ? raw hardware | ? raw hardware |
| Main Camera | Yes | - | 8 megapixel | 3 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | 1080p HD | VGA (640 x 480) | QCIF (176 x 144) |
| Front Camera | - | - | 5 megapixel | - | - |
| Weight |
3 oz (85g) |
2.47 oz (70g) |
5.51 oz (156g) |
4.05 oz (115g) |
2.82 oz (80g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.04" x 1.71" x 0.63" (103 x 43 x 16 mm) |
5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm) |
4.44" x 2.27" x 0.39" (113 x 58 x 9.9 mm) |
4.49" x 1.18" x 0.79" (114 x 30 x 20.1 mm) |
| Form Factor | Clamshell | Slab | Slab | Slide | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
| Data Technology | GPRS | 1xRTT | LTE (Cat 4) | HSPA 7.2 | GPRS |
| Features | |||||
| Flashlight | - | - | Yes | - | - |
| GPS / Location | - | Yes | n/a | Yes | - |
| Accessibility | |||||
| Hearing Aid Compatible | - | - |
Yes M4, T4 (very tele-coil compatible) |
- | - |
| Multiple Languages | Yes | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | - | - | - | Yes | - |
| Alerts | |||||
| Ringer Profiles | - | - | - | Yes | Yes |
| Connectivity | |||||
| Bluetooth | - | - | Yes | Yes | Yes |
| USB | - |
Yes Mini-USB |
Yes USB Type C |
Yes Micro-USB |
- |
| Wi-Fi | - | - | Yes | - | - |
| Contacts | |||||
| Picture ID | Yes | - | n/a | Yes | Yes |
| Ringer ID | Yes | - | n/a | Yes | - |
| Voice Dialing | - | - | n/a | - | Yes |
| Customization | |||||
| Custom Graphics | Yes | - | n/a | Yes | Yes |
| Custom Ringtones | Yes | - | n/a | Yes | Yes |
| Real-Music Ringers | - | - | n/a | Yes | Yes |
| Data & Network | |||||
| Data Tethering | - | - | n/a | Yes | Yes |
| WAP / Web Browser | Yes | - | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | - | n/a | Yes | Yes |
| Side Keys | Yes | - | Yes | Yes | - |
| Text Keyboard, Hardware | - | - | - | Yes | - |
| Touch Screen | - | - |
Yes Capacitive |
Yes Resistive |
- |
| Memory | |||||
| Memory Card Slot | - | - | Yes | Yes | - |
| Messaging | |||||
| Email Client | - | - | n/a | Yes | - |
| EMS / Picture Messaging | Yes | - | n/a | - | Yes |
| Instant Messaging | - | - | n/a | Yes | - |
| MMS | Yes | - | n/a | Yes | Yes |
| Text Messaging Templates | Yes | Yes | n/a | Yes | Yes |
| Music | |||||
| FM Radio | - | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | - | Yes | - | - |
| Music Player | - | - | n/a | Yes | - |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | Yes | Yes |
| Calculator | Yes | Yes | n/a | Yes | - |
| Calendar | Yes | Yes | n/a | Yes | Yes |
| To-Do List | Yes | Yes | n/a | - | Yes |
| Voice Memo | Yes | Yes * | n/a | Yes | Yes |
| Software | |||||
| Games | Yes | - | n/a | Yes | - |
| Java (J2ME) | Yes | - | n/a | Yes | - |
| Voice | |||||
| HD Voice | - | - | Yes | - | - |
| Headset Jack (2.5 mm) | Yes | Yes | n/a | - | Yes |
| Speaker Phone | Yes | - | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung SGH-X640 | Cal-Comp EZ | AT&T Vista | Pantech Laser | Nokia 7380 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Cal-Comp EZ | AT&T Vista | Pantech Laser | Nokia 7380 |
