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| Phone | Asus PadFone X | Pantech Matrix Pro C820 | Motorola Droid 4 | Sanyo RL-4920 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
5" diag. 16 : 9 |
2.4" diag. 4 : 3 |
4" diag. 16 : 9 |
? |
| Display Resolution & Type |
1080 x 1920 pixels (~441 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
540 x 960 pixels (~275 ppi) LCD (TFT/TFD) |
128 x 112 pixels LCD (Color) |
| Display Refresh | 60 Hz | ? | 60 Hz | ? |
| Battery | 2,300 mAh | 1,320 mAh | 1,785 mAh | 1,700 mAh |
| Processor | 2.3 GHz Qualcomm Snapdragon 800 | 528 MHz ARM 11 | ? | ? |
| RAM | 2 GB | ? | 1 GB | ? |
| Storage | 16 GB | ? raw hardware | 16 GB | ? raw hardware |
| Main Camera | 13 megapixel | 2 megapixel | 8 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 4K UHD | QCIF (176 x 144) | 1080p HD | - |
| Front Camera | 2 megapixel | - | 1 megapixel | - |
| Weight |
5.29 oz (150g) |
5.34 oz (151g) |
6.31 oz (179g) |
4.03 oz (114g) |
| Dimensions |
5.67" x 2.85" x 0.39" (144 x 72 x 10 mm) |
4.2" x 2" x 0.9" (107 x 51 x 22.9 mm) |
5" x 2.65" x 0.5" (127 x 67 x 12.7 mm) |
4.22" x 1.85" x 0.85" (107 x 47 x 21.6 mm) |
| Form Factor | Slab | Slide | Slide | Slab |
| Platform / OS | Android | Windows Mobile Standard | Android | (proprietary) |
| Network Bands |
4G LTE: 2, 4, 5, 7, 17 WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 13 CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | LTE (Cat 4) | HSDPA 3.6 | LTE (Cat 3) | 1xRTT |
| Features | ||||
| GPS / Location | n/a | n/a | n/a | Yes |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | - |
| Mobile Hotspot | n/a | n/a | n/a | - |
| NFC | Yes | - | - | - |
| USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
Yes |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | ||||
| Picture ID | n/a | n/a | n/a | Yes |
| Ringer ID | n/a | n/a | n/a | Yes |
| Voice Dialing | n/a | n/a | n/a | Yes |
| Customization | ||||
| Custom Graphics | n/a | n/a | n/a | Yes |
| Custom Ringtones | n/a | n/a | n/a | Yes |
| Real-Music Ringers | n/a | n/a | n/a | - |
| Data & Network | ||||
| Data Tethering | n/a | n/a | n/a | - |
| WAP / Web Browser | n/a | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | n/a | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | Yes | - |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | - |
| Messaging | ||||
| Email Client | n/a | n/a | n/a | - |
| Instant Messaging | n/a | n/a | n/a | - |
| MMS | n/a | n/a | n/a | - |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | Yes | - |
| Music Player | n/a | n/a | n/a | - |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| Miracast | Yes | - | - | - |
| TV Output | - | - | Yes | - |
| Power | ||||
| Wireless Charging | Yes | - | - | - |
| Productivity | ||||
| Alarm | n/a | n/a | n/a | Yes |
| Calculator | n/a | n/a | n/a | Yes |
| Calendar | n/a | n/a | n/a | Yes |
| To-Do List | n/a | n/a | n/a | Yes |
| Voice Memo | n/a | n/a | n/a | Yes |
| Software | ||||
| Games | n/a | n/a | n/a | Yes |
| Java (J2ME) | n/a | n/a | n/a | Yes |
| Voice | ||||
| Call Screening | - | - | - | Yes |
| HD Voice | Yes | - | - | - |
| Headset Jack (2.5 mm) | n/a | n/a | n/a | Yes |
| Push-To-Talk | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Asus PadFone X | Pantech Matrix Pro C820 | Motorola Droid 4 | Sanyo RL-4920 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Asus PadFone X | Pantech Matrix Pro C820 | Motorola Droid 4 | Sanyo RL-4920 |
