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| Phone | Ericsson R278d | HTC Windows Phone 8X (CDMA) | LG Stylo 4 | Palm Treo 650 (CDMA) | Asus ZenFone AR |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
4.3" diag. 16 : 9 |
6.2" diag. 18 : 9 |
? |
5.7" diag. 16 : 9 |
| Display Resolution & Type | 101 x 40 pixels |
720 x 1280 pixels (~342 ppi) LCD (TFT/TFD) |
1080 x 2160 pixels (~390 ppi) LCD (TFT/TFD) |
320 x 320 pixels LCD (TFT/TFD) |
1440 x 2560 pixels (~515 ppi) AMOLED |
| Display Refresh | ? | ? | 60 Hz | ? | 60 Hz |
| Battery | ? | 1,800 mAh | 3,300 mAh | ? | 3,300 mAh |
| Processor | ? | 1.5 GHz Qualcomm Snapdragon S4 Pro | 1.8 GHz Qualcomm Snapdragon 450 | 312 MHz Intel XScale PXA270 | 2.4 GHz Qualcomm Snapdragon 821 (MSM8996) |
| RAM | ? | 1 GB | 2 GB * | ? | 6 GB * |
| Storage | ? raw hardware | 16 GB | 32 GB * | ? raw hardware | 128 GB * |
| Main Camera | - | 8 megapixel | 13 megapixel | Yes | 23 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 1080p HD | 1080p HD | QVGA (320 x 240) | 4K UHD |
| Front Camera | - | 2 megapixel | 5 megapixel | - | 8 megapixel |
| Weight |
9.28 oz (263g) |
4.66 oz (132g) |
6.07 oz (172g) |
6.3 oz (179g) |
6 oz (170g) |
| Dimensions |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
5.21" x 2.61" x 0.4" (132 x 66 x 10.2 mm) |
6.31" x 3.06" x 0.33" (160 x 78 x 8.4 mm) |
4.4" x 2.3" x 0.9" (112 x 58 x 22.9 mm) |
6.24" x 3.05" x 0.3" (158 x 77 x 7.6 mm) |
| Form Factor | Slab | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Windows | Android | Palm OS | Android |
| Network Bands |
TDMA: 850, 1900 AMPS: 850 |
4G LTE: 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 29, 30, 38, 41, 66, 71 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
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| Data Technology | - | LTE (Cat 3) | LTE (Cat 6) | 1xRTT | LTE (Cat 11) |
| Features | |||||
| Barometer | - | - | - | - | Yes |
| Fingerprint Reader | - | - |
Yes stand-alone |
- |
Yes stand-alone |
| Flashlight | - | Yes | Yes | - | Yes |
| GPS / Location | - | n/a | n/a | n/a | n/a |
| VR-ready | - | - | - | - | Yes |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | n/a | n/a |
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | - | - |
| Alerts | |||||
| Ringer Profiles | Yes | - | - | - | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | - | - | Yes | - |
| Mobile Hotspot | - | n/a | n/a | n/a | n/a |
| NFC | - | Yes | Yes * | - | Yes |
| USB | - |
Yes Micro-USB |
Yes USB Type C |
- |
Yes USB Type C |
| Wi-Fi | - |
Yes 4 (802.11 a,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | - | n/a | n/a | n/a | n/a |
| Ringer ID | - | n/a | n/a | n/a | n/a |
| Voice Dialing | - | n/a | n/a | n/a | n/a |
| Customization | |||||
| Custom Graphics | - | n/a | n/a | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a | n/a | n/a |
| Real-Music Ringers | - | n/a | n/a | n/a | n/a |
| Data & Network | |||||
| Data Tethering | Yes | n/a | n/a | n/a | n/a |
| Dual-SIM | - | - | - | - | Yes |
| WAP / Web Browser | Yes | n/a | n/a | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Stylus | - | - | Yes | - | - |
| Text Keyboard, Hardware | - | - | - | Yes | - |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
Yes |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | - | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | - | n/a | n/a | n/a | n/a |
| Instant Messaging | - | n/a | n/a | n/a | n/a |
| MMS | - | n/a | n/a | n/a | 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 | |||||
| DLNA | - | - | Yes | - | Yes |
| Miracast | - | - | - | - | Yes |
| Power | |||||
| Fast Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | n/a | n/a |
| Calculator | - | n/a | n/a | n/a | n/a |
| Calendar | - | n/a | n/a | n/a | n/a |
| To-Do List | - | n/a | n/a | n/a | n/a |
| Software | |||||
| Games | - | n/a | n/a | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | Yes | - | Yes |
| Headset Jack (2.5 mm) | - | n/a | n/a | n/a | n/a |
| Speaker Phone | - | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Ericsson R278d | HTC Windows Phone 8X (CDMA) | LG Stylo 4 | Palm Treo 650 (CDMA) | Asus ZenFone AR | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R278d | HTC Windows Phone 8X (CDMA) | LG Stylo 4 | Palm Treo 650 (CDMA) | Asus ZenFone AR |
