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| Phone | Samsung SGH-X640 | Samsung SGH-X820 | LG G8 ThinQ | LG Terra | Motorola Sidekick Slide |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? |
6.1" diag. 19.5 : 9 |
2.4" diag. 4 : 3 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
220 x 176 pixels LCD (TFT/TFD) |
1440 x 3120 pixels (~563 ppi) AMOLED |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
320 x 240 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? | ? |
| Battery | 800 mAh | 650 mAh | 3,500 mAh | 950 mAh | ? |
| Processor | ? | ? | 2.8 GHz Qualcomm Snapdragon 855 | Qualcomm QSC6155 | 225 MHz TI OMAP 850 |
| RAM | ? | ? | 6 GB | 256 MB | ? |
| Storage | ? raw hardware | ? raw hardware | 128 GB | 512 MB | ? raw hardware |
| Main Camera | Yes | 2 megapixel | 12 megapixel | 1 megapixel | 1 megapixel |
| Wide Camera | - | - | 16 megapixel | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | ? | 4K UHD | - | - |
| Front Camera | - | - | 8 megapixel | - | - |
| Weight |
3 oz (85g) |
2.33 oz (66g) |
5.96 oz (169g) |
3.88 oz (110g) |
5.3 oz (150g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.45" x 1.97" x 0.27" (113 x 50 x 6.9 mm) |
5.98" x 2.83" x 0.33" (152 x 72 x 8.4 mm) |
4.17" x 2.05" x 0.74" (106 x 52 x 18.8 mm) |
4.65" x 2.44" x 0.69" (118 x 62 x 17.5 mm) |
| Form Factor | Clamshell | Slab | Slab | Clamshell | Slide |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4, 5, 7, 12, 13, 14, 17, 25, 26, 29, 30, 41, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | EDGE | LTE (Cat 20) | EVDO rA | EDGE |
| Features | |||||
| Barometer | - | - | Yes | - | - |
| Fingerprint Reader | - | - |
Yes stand-alone |
- | - |
| Flashlight | - | - | Yes | - | - |
| GPS / Location | - | - | n/a | Yes | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- | - |
| Accessibility | |||||
| Adjustable Text Size | - | - | n/a | Yes | Yes |
| Hearing Aid Compatible | - | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | Yes | n/a | Yes | - |
| TTY/TDD (Digital) | - | - | Yes | Yes | - |
| Alerts | |||||
| Extra Display | - | - | - | Yes | - |
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| MirrorLink | - | - | Yes | - | - |
| NFC | - | - | Yes | - | - |
| USB | - | Yes |
Yes USB Type C |
Yes Micro-USB |
Yes |
| Wi-Fi | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | Yes | Yes | n/a | Yes | Yes |
| Ringer ID | Yes | Yes | n/a | Yes | Yes |
| Voice Dialing | - | - | n/a | Yes | - |
| Customization | |||||
| Custom Graphics | Yes | Yes | n/a | Yes | Yes |
| Custom Ringtones | Yes | Yes | n/a | Yes | Yes |
| Real-Music Ringers | - | Yes | n/a | Yes | Yes |
| Data & Network | |||||
| External Antenna Jack | - | Yes | n/a | - | - |
| WAP / Web Browser | Yes | Yes | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | Yes | - |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | - | Yes |
| Touch Screen | - | - |
Yes Capacitive |
- | - |
| Memory | |||||
| Memory Card Slot | - | - | Yes | - | Yes |
| Messaging | |||||
| Email Client | - | Yes | n/a | Yes | Yes |
| EMS / Picture Messaging | Yes | Yes | n/a | - | - |
| Instant Messaging | - | - | n/a | - | Yes |
| MMS | Yes | Yes | n/a | Yes | Yes |
| Text Messaging Templates | Yes | Yes | n/a | Yes | - |
| Music | |||||
| FM Radio | - | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | - | Yes | Yes | - |
| Music Player | - | - | n/a | - | Yes |
| Stereo Speakers | - | - | Yes | - | - |
| Photo & Video | |||||
| DLNA | - | - | Yes | - | - |
| Miracast | - | - | Yes | - | - |
| TV Output | - | Yes | - | - | - |
| Power | |||||
| Fast Charging | - | - | Yes | - | - |
| Wireless Charging | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | Yes | Yes |
| Calculator | Yes | Yes | n/a | Yes | - |
| Calendar | Yes | Yes | n/a | Yes | Yes |
| To-Do List | Yes | Yes | n/a | - | Yes |
| Voice Memo | Yes | Yes | n/a | Yes | - |
| Software | |||||
| BREW | - | - | n/a | Yes | - |
| Games | Yes | Yes | n/a | Yes | Yes |
| Java (J2ME) | Yes | Yes | n/a | - | Yes |
| Voice | |||||
| HD Voice | - | - | Yes | - | - |
| Headset Jack (2.5 mm) | Yes | - | n/a | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SGH-X640 | Samsung SGH-X820 | LG G8 ThinQ | LG Terra | Motorola Sidekick Slide | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Samsung SGH-X820 | LG G8 ThinQ | LG Terra | Motorola Sidekick Slide |
