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| Phone | Ericsson R278d | Asus PadFone X | ZTE Force | Sanyo MM-8300 |
| 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 | 101 x 40 pixels |
1080 x 1920 pixels (~441 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? |
| Battery | ? | 2,300 mAh | 1,735 mAh | 1,000 mAh |
| Processor | ? | 2.3 GHz Qualcomm Snapdragon 800 | 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 | ? |
| RAM | ? | 2 GB | 1 GB | ? |
| Storage | ? raw hardware | 16 GB | 4 GB | ? raw hardware |
| Main Camera | - | 13 megapixel | 5 megapixel | Yes |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 4K UHD | 720p HD | QCIF (176 x 144) |
| Front Camera | - | 2 megapixel | 1 megapixel | - |
| Weight |
9.28 oz (263g) |
5.29 oz (150g) |
5.4 oz (153g) |
3.6 oz (102g) |
| Dimensions |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
5.67" x 2.85" x 0.39" (144 x 72 x 10 mm) |
4.88" x 2.54" x 0.47" (124 x 65 x 11.9 mm) |
3.35" x 1.85" x 0.97" (85 x 47 x 24.6 mm) |
| Form Factor | Slab | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | Android | Android | (proprietary) |
| Network Bands |
TDMA: 850, 1900 AMPS: 850 |
4G LTE: 2, 4, 5, 7, 17 WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 25 CDMA: 800, 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | - | LTE (Cat 4) | LTE (Cat 3) | 1xRTT |
| 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 M4, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | - |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | - |
| Mobile Hotspot | - | n/a | n/a | - |
| NFC | - | Yes | 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 |
| Ringer ID | - | n/a | n/a | Yes |
| Voice Dialing | - | n/a | n/a | Yes |
| Customization | ||||
| Changeable Body Plates | - | - | - | Yes |
| Custom Graphics | - | n/a | n/a | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes |
| Real-Music Ringers | - | n/a | n/a | - |
| Data & Network | ||||
| Data Tethering | Yes | 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 |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | - |
| Messaging | ||||
| Email Client | - | n/a | n/a | - |
| Instant Messaging | - | n/a | n/a | - |
| MMS | - | n/a | n/a | - |
| Text Messaging Templates | - | n/a | n/a | - |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | Yes | - |
| Music Player | - | n/a | n/a | - |
| Photo & Video | ||||
| Miracast | - | Yes | - | - |
| Power | ||||
| Wireless Charging | - | Yes | - | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | Yes |
| Calculator | - | n/a | n/a | Yes |
| Calendar | - | n/a | n/a | Yes |
| To-Do List | - | n/a | n/a | Yes |
| Voice Memo | - | n/a | n/a | Yes |
| Software | ||||
| Games | - | n/a | n/a | Yes |
| Java (J2ME) | - | n/a | n/a | Yes |
| Voice | ||||
| Call Screening | - | - | - | Yes |
| HD Voice | - | Yes | Yes | - |
| Headset Jack (2.5 mm) | - | n/a | n/a | Yes |
| Push-To-Talk | - | - | - | Yes |
| Speaker Phone | - | Yes | Yes | Yes |
| Ericsson R278d | Asus PadFone X | ZTE Force | Sanyo MM-8300 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R278d | Asus PadFone X | ZTE Force | Sanyo MM-8300 |
