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| Phone | Ericsson R278d | Motorola Charm | Samsung SCH-A690 | Asus ROG Phone |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Not yet released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2.8" diag. 4 : 3 |
? |
6" diag. 18 : 9 |
| Display Resolution & Type | 101 x 40 pixels |
320 x 240 pixels (~143 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
1080 x 2160 pixels (~402 ppi) AMOLED |
| Display Refresh | ? | 60 Hz | ? | 60 Hz |
| Battery | ? | 1,170 mAh | 1,300 mAh | 4,000 mAh |
| Processor | ? | 720 MHz TI OMAP3410 | ? | 3 GHz Qualcomm Snapdragon 845 |
| RAM | ? | ? | ? | 8 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 128 GB * |
| Main Camera | - | 3 megapixel | - | 12 megapixel |
| Wide Camera | - | - | - | 8 megapixel |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | - | 4K UHD |
| Front Camera | - | - | - | 8 megapixel |
| Weight |
9.28 oz (263g) |
3.88 oz (110g) |
4.3 oz (122g) |
7.05 oz (200g) |
| Dimensions |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
3.87" x 2.65" x 0.45" (98 x 67 x 11.4 mm) |
3.64" x 1.93" x 1.02" (92 x 49 x 25.9 mm) |
6.25" x 3" x 0.34" (159 x 76 x 8.6 mm) |
| Form Factor | Slab | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | Android |
| Network Bands |
TDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 28, 29, 32, 34, 38, 39, 40, 41, 46 WCDMA: 1, 2, 3, 4, 5, 8, 19 GSM: 850, 900, 1800, 1900 |
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| Data Technology | - | HSDPA 3.6 | 1xRTT | LTE (Cat 16) |
| Features | ||||
| Fingerprint Reader | - | - | - | Yes |
| Flashlight | - | - | - | Yes |
| GPS / Location | - | n/a | Yes | n/a |
| Water-Resistant | - | - | - | Yes |
| Accessibility | ||||
| Hearing Aid Compatible | - | - | - |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | - | Yes | - | Yes |
| NFC | - | - | - | Yes |
| USB | - |
Yes Micro-USB |
- |
Yes USB Type C |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | - | n/a | - | n/a |
| Ringer ID | - | n/a | - | n/a |
| Voice Dialing | - | n/a | Yes | n/a |
| Customization | ||||
| Custom Graphics | - | n/a | - | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a |
| Real-Music Ringers | - | n/a | - | n/a |
| Data & Network | ||||
| Data Tethering | Yes | n/a | Yes | n/a |
| Dual-SIM | - | - | - | Yes |
| WAP / Web Browser | Yes | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen | - |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | Yes | - | - |
| Messaging | ||||
| Email Client | - | n/a | - | n/a |
| Instant Messaging | - | n/a | - | n/a |
| MMS | - | n/a | - | n/a |
| Text Messaging Templates | - | n/a | Yes | n/a |
| Music | ||||
| FM Radio | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | Yes | - | Yes |
| Music Player | - | n/a | - | n/a |
| Stereo Speakers | - | - | - | Yes |
| Photo & Video | ||||
| TV Output | - | - | - | Yes |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | n/a |
| Calculator | - | n/a | Yes | n/a |
| Calendar | - | n/a | Yes | n/a |
| To-Do List | - | n/a | Yes | n/a |
| Voice Memo | - | n/a | Yes | n/a |
| Software | ||||
| BREW | - | n/a | Yes | n/a |
| Games | - | n/a | Yes | n/a |
| Voice | ||||
| Call Screening | - | - | Yes | - |
| Headset Jack (2.5 mm) | - | n/a | Yes | n/a |
| Push-To-Talk | - | - | Yes | - |
| Speaker Phone | - | Yes | Yes | Yes |
| Ericsson R278d | Motorola Charm | Samsung SCH-A690 | Asus ROG Phone | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R278d | Motorola Charm | Samsung SCH-A690 | Asus ROG Phone |
