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| Phone | BlackBerry Key2 | ZTE Blade Vantage | AT&T Vista | Samsung SGH-D357 | Pantech Duo C810 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
4.5" diag. 5 : 3 |
5" diag. 16 : 9 |
5.5" diag. 18 : 9 |
? |
2.2" diag. 4 : 3 |
| Display Resolution & Type |
1080 x 1620 pixels (~433 ppi) LCD (TFT/TFD) |
480 x 854 pixels (~196 ppi) LCD (TFT/TFD) |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 60 Hz | 60 Hz | ? | ? |
| Battery | 3,500 mAh | 2,500 mAh | 2,450 mAh | 800 mAh | 1,320 mAh |
| Processor | 2.2 GHz Qualcomm Snapdragon 660 | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | 2 GHz MediaTek Helio A22 (MT6761V) | ? | ARM 920t PXA27x |
| RAM | 6 GB | 2 GB | 3 GB | ? | ? |
| Storage | 64 GB * | 16 GB | 32 GB | ? raw hardware | ? raw hardware |
| Main Camera | 12 megapixel | 8 megapixel | 8 megapixel | - | 1 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | 12 megapixel | - | - | - | - |
| Video Capture | 4K UHD | 720p HD | 1080p HD | - | QVGA (320 x 240) |
| Front Camera | 8 megapixel | 2 megapixel | 5 megapixel | - | - |
| Weight |
5.93 oz (168g) |
5.29 oz (150g) |
5.51 oz (156g) |
3.46 oz (98g) |
3.88 oz (110g) |
| Dimensions |
5.96" x 2.82" x 0.33" (151 x 72 x 8.4 mm) |
5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm) |
5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm) |
3.4" x 1.8" x 0.96" (86 x 46 x 24.4 mm) |
4.01" x 1.97" x 0.78" (102 x 50 x 19.8 mm) |
| Form Factor | Slab | Slab | Slab | Clamshell | Slide |
| Platform / OS | Android | Android | Android | (proprietary) | Windows Mobile Standard |
| Network Bands |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 28, 29, 30, 38, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 13 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8 |
GSM: 850, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 11) | LTE (Cat 4) | LTE (Cat 4) | EDGE | HSDPA 1.8 |
| Features | |||||
| Fingerprint Reader |
Yes stand-alone |
- | - | - | - |
| Flashlight | Yes | Yes | Yes | - | - |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
- | - |
| Multiple Languages | n/a | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | Yes | - |
| Alerts | |||||
| Extra Display | - | - | - | Yes | - |
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| NFC | Yes | - | - | - | - |
| USB |
Yes USB Type C |
Yes Micro-USB |
Yes USB Type C |
- | Yes |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
Yes | - | - |
| Contacts | |||||
| Picture ID | n/a | n/a | n/a | Yes | n/a |
| Ringer ID | n/a | n/a | n/a | Yes | n/a |
| Voice Dialing | n/a | n/a | n/a | Yes | n/a |
| Customization | |||||
| Custom Graphics | n/a | n/a | n/a | Yes | n/a |
| Custom Ringtones | n/a | n/a | n/a | Yes | n/a |
| Real-Music Ringers | n/a | n/a | n/a | Yes | n/a |
| Data & Network | |||||
| Data Tethering | n/a | n/a | n/a | Yes | n/a |
| WAP / Web Browser | n/a | n/a | n/a | Yes | n/a |
| Input | |||||
| Predictive Text Entry | n/a | n/a | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
- | - |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | - | Yes |
| Messaging | |||||
| Email Client | n/a | n/a | n/a | Yes | n/a |
| EMS / Picture Messaging | n/a | n/a | n/a | Yes | n/a |
| Instant Messaging | n/a | n/a | n/a | Yes | n/a |
| MMS | n/a | n/a | n/a | Yes | n/a |
| Text Messaging Templates | n/a | n/a | n/a | Yes | n/a |
| Music | |||||
| FM Radio | Yes | - | - | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | - | - |
| Music Player | n/a | n/a | n/a | - | n/a |
| Photo & Video | |||||
| TV Output | Yes | - | - | - | - |
| Power | |||||
| Fast Charging | Yes | - | - | - | - |
| Productivity | |||||
| Alarm | n/a | n/a | n/a | Yes | n/a |
| Calculator | n/a | n/a | n/a | Yes | n/a |
| Calendar | n/a | n/a | n/a | Yes | n/a |
| To-Do List | n/a | n/a | n/a | Yes | n/a |
| Voice Memo | n/a | n/a | n/a | Yes | n/a |
| Software | |||||
| Games | n/a | n/a | n/a | Yes | n/a |
| Java (J2ME) | n/a | n/a | n/a | Yes | n/a |
| Voice | |||||
| HD Voice | Yes | Yes | Yes | - | - |
| Headset Jack (2.5 mm) | n/a | n/a | n/a | Yes | n/a |
| Push-To-Talk | - | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| BlackBerry Key2 | ZTE Blade Vantage | AT&T Vista | Samsung SGH-D357 | Pantech Duo C810 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry Key2 | ZTE Blade Vantage | AT&T Vista | Samsung SGH-D357 | Pantech Duo C810 |
