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| Phone | Samsung SGH-X640 | ZTE Blade Vantage 2 | BlackBerry Passport | Samsung SGH-E400 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Not yet released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
5" diag. 18 : 9 |
4.5" diag. 1 : 1 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
480 x 960 pixels (~215 ppi) LCD (TFT/TFD) |
1440 x 1440 pixels (~453 ppi) LCD (TFT/TFD) |
128 x 144 pixels LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | ? |
| Battery | 800 mAh | 2,050 mAh | 3,450 mAh | 700 mAh |
| Processor | ? | 2 GHz MediaTek MT6761 | 2.2 GHz Qualcomm Snapdragon 801 (MSM8974-AA) | ? |
| RAM | ? | 2 GB | 3 GB | ? |
| Storage | ? raw hardware | 16 GB | 32 GB | ? raw hardware |
| Main Camera | Yes | 5 megapixel | 13 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 720p HD | 1080p HD | - |
| Front Camera | - | 2 megapixel | 2 megapixel | - |
| Weight |
3 oz (85g) |
5.3 oz (150g) |
6.91 oz (196g) |
3.1 oz (88g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
5.4" x 2.7" x 0.41" (137 x 69 x 10.4 mm) |
5.04" x 3.56" x 0.36" (128 x 90 x 9.1 mm) |
3.46" x 1.65" x 0.89" (88 x 42 x 22.6 mm) |
| Form Factor | Clamshell | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | Android | BlackBerry 10 | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4, 5, 13 WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 13, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
| Data Technology | GPRS | LTE (Cat 4) | LTE (Cat 4) | GPRS |
| Features | ||||
| Flashlight | - | Yes | - | - |
| GPS / Location | - | n/a | n/a | - |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | n/a | - |
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4 (very compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | - |
| Infrared (IR) | - | - | - | Yes |
| Mobile Hotspot | - | n/a | n/a | - |
| NFC | - | - | Yes | - |
| USB | - |
Yes Micro-USB |
Yes Micro-USB |
- |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | ||||
| Picture ID | Yes | n/a | n/a | - |
| Ringer ID | Yes | n/a | n/a | - |
| Voice Dialing | - | n/a | n/a | - |
| Customization | ||||
| Custom Graphics | Yes | n/a | n/a | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes |
| Real-Music Ringers | - | n/a | n/a | - |
| Data & Network | ||||
| Data Tethering | - | n/a | n/a | Yes |
| WAP / Web Browser | Yes | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | - |
| Messaging | ||||
| Email Client | - | n/a | n/a | - |
| EMS / Picture Messaging | Yes | n/a | n/a | Yes |
| Instant Messaging | - | n/a | n/a | - |
| MMS | Yes | n/a | n/a | - |
| Text Messaging Templates | Yes | n/a | n/a | Yes |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - |
| Music Player | - | n/a | n/a | - |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| Miracast | - | - | Yes | - |
| TV Output | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | Yes |
| To-Do List | Yes | n/a | n/a | Yes |
| Voice Memo | Yes | n/a | n/a | - |
| Software | ||||
| Games | Yes | n/a | n/a | Yes |
| Java (J2ME) | Yes | n/a | n/a | Yes |
| Voice | ||||
| HD Voice | - | Yes | Yes | - |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes | - |
| Samsung SGH-X640 | ZTE Blade Vantage 2 | BlackBerry Passport | Samsung SGH-E400 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | ZTE Blade Vantage 2 | BlackBerry Passport | Samsung SGH-E400 |
