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| Phone | Huawei Express | AT&T Vista | Samsung SGH-T809 / SGH-D820 | Pantech Matrix Pro C820 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.6" diag. 4 : 3 |
5.5" diag. 18 : 9 |
? |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
320 x 240 pixels (~154 ppi) LCD (TFT/TFD) |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 60 Hz | ? | ? |
| Battery | 1,500 mAh | 2,450 mAh | ? | 1,320 mAh |
| Processor | 600 MHz Qualcomm S1 MSM7627 | 2 GHz MediaTek Helio A22 (MT6761V) | ? | 528 MHz ARM 11 |
| RAM | 512 MB | 3 GB | ? | ? |
| Storage | 512 MB | 32 GB | ? raw hardware | ? raw hardware |
| Main Camera | 3 megapixel | 8 megapixel | 1 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QVGA (320 x 240) | 1080p HD | CIF (352 x 288) | QCIF (176 x 144) |
| Front Camera | - | 5 megapixel | - | - |
| Weight |
4.76 oz (135g) |
5.51 oz (156g) |
3.35 oz (95g) |
5.34 oz (151g) |
| Dimensions |
4.47" x 2.47" x 0.46" (114 x 63 x 11.7 mm) |
5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm) |
3.9" x 2" x 0.58" (99 x 51 x 14.7 mm) |
4.2" x 2" x 0.9" (107 x 51 x 22.9 mm) |
| Form Factor | Slab | Slab | Slide | Slide |
| Platform / OS | Android | Android | (proprietary) | Windows Mobile Standard |
| Network Bands |
CDMA: 800, 850, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8 |
GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO rA | LTE (Cat 4) | EDGE | HSDPA 3.6 |
| Features | ||||
| Flashlight | - | Yes | - | - |
| GPS / Location | n/a | n/a | - | n/a |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
- |
| Multiple Languages | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | n/a | n/a | - | n/a |
| USB |
Yes Micro-USB |
Yes USB Type C |
Yes | Yes |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes | - | - |
| Contacts | ||||
| Picture ID | n/a | n/a | Yes | n/a |
| Ringer ID | n/a | n/a | Yes | n/a |
| Voice Dialing | n/a | n/a | - | n/a |
| Customization | ||||
| Custom Graphics | n/a | n/a | Yes | n/a |
| Custom Ringtones | n/a | n/a | Yes | n/a |
| Real-Music Ringers | n/a | n/a | Yes | n/a |
| Data & Network | ||||
| Data Tethering | n/a | n/a | Yes | n/a |
| WAP / Web Browser | n/a | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | n/a | n/a | - | n/a |
| EMS / Picture Messaging | n/a | n/a | Yes | n/a |
| Instant Messaging | n/a | n/a | Yes | n/a |
| MMS | n/a | n/a | Yes | n/a |
| Text Messaging Templates | n/a | n/a | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | Yes | - | - |
| Music Player | n/a | n/a | Yes | n/a |
| Stereo Speakers | - | - | Yes | - |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | n/a |
| Calculator | n/a | n/a | Yes | n/a |
| Calendar | n/a | n/a | Yes | n/a |
| To-Do List | n/a | n/a | Yes | n/a |
| Voice Memo | n/a | n/a | Yes | n/a |
| Software | ||||
| Games | n/a | n/a | Yes | n/a |
| Java (J2ME) | n/a | n/a | Yes | n/a |
| Voice | ||||
| HD Voice | - | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Huawei Express | AT&T Vista | Samsung SGH-T809 / SGH-D820 | Pantech Matrix Pro C820 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Huawei Express | AT&T Vista | Samsung SGH-T809 / SGH-D820 | Pantech Matrix Pro C820 |
