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| Phone | LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus | Samsung SGH-X640 | Motorola V551 / V330 / V547 / V555 / V557 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
6.1" diag. 19.5 : 9 |
? | ? |
| Display Resolution & Type |
720 x 1560 pixels (~282 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? |
| Battery | 3,500 mAh | 800 mAh | 820 mAh |
| Processor | 2 GHz MediaTek Helio P22 (MT6762) | ? | ? |
| RAM | 3 GB * | ? | ? |
| Storage | 32 GB | ? raw hardware | ? raw hardware |
| Main Camera | 13 megapixel | Yes | Yes |
| Wide Camera | 5 megapixel | - | - |
| Tele Camera | - | - | - |
| Video Capture | 1080p HD | - | ? |
| Front Camera | 8 megapixel | - | - |
| Weight |
6.1 oz (173g) |
3 oz (85g) |
4.23 oz (120g) |
| Dimensions |
6.15" x 2.92" x 0.34" (156 x 74 x 8.6 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm) |
| Form Factor | Slab | Clamshell | Clamshell |
| Platform / OS | Android | (proprietary) | (proprietary) |
| Network Bands |
4G LTE: 2, 4, 5, 12, 13, 14, 25, 26, 29, 30, 41, 66, 71 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 6) | GPRS | EDGE |
| Features | |||
| Fingerprint Reader |
Yes stand-alone |
- | - |
| Flashlight | Yes | - | - |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
- | - |
| Multiple Languages | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | Yes |
| Alerts | |||
| Extra Display | - | - | Yes |
| Ringer Profiles | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | - | Yes |
| USB |
Yes USB Type C |
- | Yes |
| Wi-Fi |
Yes 4 (802.11 a,b,g,n) |
- | - |
| Contacts | |||
| Picture ID | n/a | Yes | Yes |
| Ringer ID | n/a | Yes | Yes |
| Voice Dialing | n/a | - | Yes |
| Customization | |||
| Custom Graphics | n/a | Yes | Yes |
| Custom Ringtones | n/a | Yes | Yes |
| Real-Music Ringers | n/a | - | Yes |
| Data & Network | |||
| Data Tethering | n/a | - | Yes |
| WAP / Web Browser | n/a | Yes | Yes |
| Input | |||
| Predictive Text Entry | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- | - |
| Memory | |||
| Memory Card Slot | Yes | - | - |
| Messaging | |||
| Email Client | n/a | - | Yes |
| EMS / Picture Messaging | n/a | Yes | Yes |
| Instant Messaging | n/a | - | Yes |
| MMS | n/a | Yes | Yes |
| Text Messaging Templates | n/a | Yes | Yes |
| Music | |||
| FM Radio | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | - | - |
| Productivity | |||
| Alarm | n/a | Yes | Yes |
| Calculator | n/a | Yes | Yes |
| Calendar | n/a | Yes | Yes |
| To-Do List | n/a | Yes | - |
| Voice Memo | n/a | Yes | Yes |
| Software | |||
| Games | n/a | Yes | Yes |
| Java (J2ME) | n/a | Yes | Yes |
| Voice | |||
| HD Voice | Yes | - | - |
| Headset Jack (2.5 mm) | n/a | Yes | Yes |
| Speaker Phone | Yes | Yes | Yes |
| LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus | Samsung SGH-X640 | Motorola V551 / V330 / V547 / V555 / V557 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus | Samsung SGH-X640 | Motorola V551 / V330 / V547 / V555 / V557 |
