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| Phone | Asus PadFone X | ZTE Concord II | Samsung SCH-A990 | Sony Ericsson Z300 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
5" diag. 16 : 9 |
4" diag. 5 : 3 |
? | ? |
| Display Resolution & Type |
1080 x 1920 pixels (~441 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
| Display Refresh | 60 Hz | 60 Hz | ? | ? |
| Battery | 2,300 mAh | 1,820 mAh | 1,000 mAh | ? |
| Processor | 2.3 GHz Qualcomm Snapdragon 800 | 1.2 GHz Qualcomm MSM8210 | ? | ? |
| RAM | 2 GB | 1 GB | ? | ? |
| Storage | 16 GB | 4 GB | ? raw hardware | ? raw hardware |
| Main Camera | 13 megapixel | 5 megapixel | 3 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 4K UHD | 720p HD | ? | - |
| Front Camera | 2 megapixel | - | - | - |
| Weight |
5.29 oz (150g) |
4.4 oz (125g) |
4.4 oz (125g) |
3.2 oz (91g) |
| Dimensions |
5.67" x 2.85" x 0.39" (144 x 72 x 10 mm) |
4.96" x 2.56" x 0.42" (126 x 65 x 10.7 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
3.3" x 1.8" x 0.9" (84 x 46 x 22.9 mm) |
| Form Factor | Slab | Slab | Clamshell | Clamshell |
| Platform / OS | Android | Android | (proprietary) | (proprietary) |
| Network Bands |
4G LTE: 2, 4, 5, 7, 17 WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
GSM: 850, 1900 |
| Data Technology | LTE (Cat 4) | HSPA+ 21 | EVDO r0 | GPRS |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | n/a | n/a | Yes | - |
| Accessibility | ||||
| Adjustable Text Size | n/a | n/a | - | - |
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
- |
| Multiple Languages | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | - | Yes | Yes |
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | - |
| Mobile Hotspot | n/a | n/a | - | - |
| NFC | Yes | - | - | - |
| USB |
Yes Micro-USB |
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 | Yes | Yes |
| Ringer ID | n/a | n/a | Yes | Yes |
| Voice Dialing | n/a | n/a | Yes | - |
| Customization | ||||
| Changeable Body Plates | - | - | - | Yes |
| Custom Graphics | n/a | n/a | Yes | Yes |
| Custom Ringtones | n/a | n/a | Yes | Yes |
| Real-Music Ringers | n/a | n/a | Yes | - |
| Data & Network | ||||
| Data Tethering | n/a | n/a | Yes | - |
| WAP / Web Browser | n/a | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | - |
| Messaging | ||||
| Email Client | n/a | n/a | - | - |
| EMS / Picture Messaging | n/a | n/a | Yes | Yes |
| Instant Messaging | n/a | n/a | - | - |
| MMS | n/a | n/a | Yes | Yes |
| Text Messaging Templates | n/a | n/a | Yes | Yes * |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | Yes | - | - |
| Music Player | n/a | n/a | Yes | - |
| Stereo Speakers | - | - | Yes | - |
| Photo & Video | ||||
| Miracast | Yes | - | - | - |
| TV Output | - | - | Yes | - |
| Power | ||||
| Wireless Charging | Yes | - | - | - |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | Yes |
| Calculator | n/a | n/a | Yes | Yes |
| Calendar | n/a | n/a | Yes | Yes |
| To-Do List | n/a | n/a | - | Yes |
| Voice Memo | n/a | n/a | Yes | - |
| Software | ||||
| BREW | n/a | n/a | Yes | - |
| Games | n/a | n/a | Yes | Yes |
| Voice | ||||
| HD Voice | Yes | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | - |
| * Some versions only | ||||
| Asus PadFone X | ZTE Concord II | Samsung SCH-A990 | Sony Ericsson Z300 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Asus PadFone X | ZTE Concord II | Samsung SCH-A990 | Sony Ericsson Z300 |
