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| Phone | Ericsson R278d | Samsung Moment | Sony Ericsson K850 | Essential Phone |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
3.2" diag. 5 : 3 |
2.2" diag. 4 : 3 |
5.7" diag. 17.5 : 9 |
| Display Resolution & Type | 101 x 40 pixels |
320 x 480 pixels (~180 ppi) AMOLED |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
1312 x 2560 pixels (~504 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz |
| Battery | ? | 1,440 mAh | ? | 3,040 mAh |
| Processor | ? | ? | ? | 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) |
| RAM | ? | ? | ? | 4 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 128 GB |
| Main Camera | - | 3 megapixel | 5 megapixel | 13 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | CIF (352 x 288) | ? | 4K UHD |
| Front Camera | - | - | - | 8 megapixel |
| Weight |
9.28 oz (263g) |
5.67 oz (161g) |
4.2 oz (119g) |
6.53 oz (185g) |
| Dimensions |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
4.6" x 2.34" x 0.65" (117 x 59 x 16.5 mm) |
4" x 1.9" x 0.7" (102 x 48 x 17.8 mm) |
5.57" x 2.8" x 0.31" (141 x 71 x 7.8 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | Android |
| Network Bands |
TDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 29, 30, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | - | EVDO rA | HSDPA 3.6 | LTE (Cat 12) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Fingerprint Reader | - | - | - |
Yes stand-alone |
| Flashlight | - | - | - | Yes |
| GPS / Location | - | n/a | - | n/a |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M4 (very compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | Yes | - | Yes | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| NFC | - | - | - | Yes |
| USB | - |
Yes Micro-USB |
Yes |
Yes USB Type C |
| Wi-Fi | - |
Yes 802.11 b,g |
- |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | - | n/a | Yes | n/a |
| Ringer ID | - | n/a | Yes | n/a |
| Voice Dialing | - | n/a | Yes | n/a |
| Customization | ||||
| Custom Graphics | - | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a |
| Real-Music Ringers | - | n/a | Yes | n/a |
| Data & Network | ||||
| Data Tethering | Yes | n/a | Yes | n/a |
| 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 | Yes | - |
| Messaging | ||||
| Email Client | - | n/a | Yes | n/a |
| Instant Messaging | - | n/a | - | n/a |
| MMS | - | n/a | Yes | n/a |
| Text Messaging Templates | - | n/a | Yes | n/a |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | - | - |
| Music Player | - | n/a | Yes | n/a |
| Photo & Video | ||||
| Video Calling | - | n/a | Yes * | n/a |
| 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 | ||||
| Games | - | n/a | Yes | n/a |
| Java (J2ME) | - | n/a | Yes | n/a |
| Voice | ||||
| Speaker Phone | - | Yes | Yes | Yes |
| * Some versions only | ||||
| Ericsson R278d | Samsung Moment | Sony Ericsson K850 | Essential Phone | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R278d | Samsung Moment | Sony Ericsson K850 | Essential Phone |
