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| Phone | Samsung SGH-E640 | TCL 20 SE | LG AX-490 | LG Premier Pro LTE |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
6.8" diag. 20.5 : 9 |
? |
5.3" diag. 16 : 9 |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
720 x 1640 pixels (~263 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
720 x 1280 pixels (~277 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz |
| Battery | 800 mAh | 5,000 mAh | 1,100 mAh | 2,880 mAh |
| Processor | ? | 1.6 GHz Qualcomm Snapdragon 460 | ? | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) |
| RAM | ? | 4 GB | ? | 2 GB |
| Storage | ? raw hardware | 128 GB | ? raw hardware | 16 GB |
| Main Camera | 1 megapixel | 48 megapixel | Yes | 8 megapixel |
| Wide Camera | - | 5 megapixel | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QCIF (176 x 144) | 1080p HD | - | 1080p HD |
| Front Camera | - | 13 megapixel | - | 5 megapixel |
| Weight |
3.17 oz (90g) |
7.31 oz (207g) |
3.79 oz (107g) |
5.93 oz (168g) |
| Dimensions |
3.37" x 1.78" x 0.93" (86 x 45 x 23.6 mm) |
6.78" x 3.04" x 0.35" (172 x 77 x 8.9 mm) |
3.74" x 1.92" x 1" (95 x 49 x 25.4 mm) |
5.85" x 2.96" x 0.34" (149 x 75 x 8.6 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 26, 28, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
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| Data Technology | GPRS | LTE (Cat 4) | 1xRTT | LTE (Cat 4) |
| Features | ||||
| Fingerprint Reader | - |
Yes stand-alone |
- | - |
| Flashlight | - | Yes | - | Yes |
| GPS / Location | - | n/a | Yes | n/a |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| USB | Yes |
Yes USB Type C |
Yes |
Yes Micro-USB |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | Yes | n/a | Yes | n/a |
| Ringer ID | Yes | n/a | Yes | n/a |
| Voice Dialing | - | n/a | Yes | n/a |
| Customization | ||||
| Custom Graphics | Yes | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a |
| Real-Music Ringers | Yes | n/a | Yes | n/a |
| Data & Network | ||||
| Data Tethering | - | n/a | Yes | n/a |
| WAP / Web Browser | Yes | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | - | 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 | Yes | n/a | - | n/a |
| EMS / Picture Messaging | Yes | n/a | - | n/a |
| MMS | Yes | n/a | Yes | n/a |
| Text Messaging Templates | Yes | n/a | Yes | n/a |
| Music | ||||
| FM Radio | - | Yes | - | Yes |
| Headphone Jack (3.5mm) | - | Yes | - | Yes |
| Music Player | Yes | n/a | - | n/a |
| Stereo Speakers | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | n/a |
| Calculator | Yes | n/a | Yes | n/a |
| Calendar | Yes | n/a | Yes | n/a |
| To-Do List | Yes | n/a | - | n/a |
| Voice Memo | Yes | n/a | Yes | n/a |
| Software | ||||
| BREW | - | n/a | Yes | n/a |
| Games | Yes | n/a | Yes | n/a |
| Java (J2ME) | Yes | n/a | - | n/a |
| Voice | ||||
| HD Voice | - | Yes | - | Yes |
| Headset Jack (2.5 mm) | - | n/a | Yes | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung SGH-E640 | TCL 20 SE | LG AX-490 | LG Premier Pro LTE | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-E640 | TCL 20 SE | LG AX-490 | LG Premier Pro LTE |
