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| Phone | Samsung SGH-X640 | LG Premier Pro LTE | AT&T Maestro 3 | Sharp GX-10 / GX-10i | Samsung Galaxy Note 4 (CDMA) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Not yet released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
5.3" diag. 16 : 9 |
6.5" diag. 20 : 9 |
? |
5.7" diag. 16 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
720 x 1280 pixels (~277 ppi) LCD (TFT/TFD) |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
120 x 160 pixels LCD (TFT/TFD) |
1440 x 2560 pixels (~515 ppi) AMOLED |
| Display Refresh | ? | 60 Hz | 60 Hz | ? | 60 Hz |
| Battery | 800 mAh | 2,880 mAh | 3,900 mAh | 720 mAh | 3,220 mAh |
| Processor | ? | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) | 2 GHz MediaTek Helio A22 (MT6761) | ? | 2.7 GHz Qualcomm Snapdragon 805 |
| RAM | ? | 2 GB | 3 GB | ? | 3 GB |
| Storage | ? raw hardware | 16 GB | 32 GB | ? raw hardware | 32 GB |
| Main Camera | Yes | 8 megapixel | 13 megapixel | Yes | 16 megapixel |
| Wide Camera | - | - | 5 megapixel | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 1080p HD | 1080p HD | - | 4K UHD |
| Front Camera | - | 5 megapixel | 5 megapixel | - | 4 megapixel |
| Weight |
3 oz (85g) |
5.93 oz (168g) |
6.24 oz (177g) |
3.88 oz (110g) |
6.21 oz (176g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
5.85" x 2.96" x 0.34" (149 x 75 x 8.6 mm) |
6.58" x 3.03" x 0.33" (167 x 77 x 8.4 mm) |
3.7" x 1.93" x 1.06" (94 x 49 x 26.9 mm) |
6.04" x 3.09" x 0.33" (154 x 79 x 8.5 mm) |
| Form Factor | Clamshell | Slab | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | Android | Android | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 14, 30 |
GSM: 900, 1800, 1900 |
||
| Data Technology | GPRS | LTE (Cat 4) | LTE (Cat 4) | GPRS | LTE (Cat 4) |
| Features | |||||
| Barometer | - | - | Yes | - | - |
| Fingerprint Reader | - | - |
Yes stand-alone |
- | Yes |
| Flashlight | - | Yes | Yes | - | Yes |
| GPS / Location | - | n/a | n/a | - | n/a |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | - | n/a |
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | - | - | Yes |
| Alerts | |||||
| Extra Display | - | - | - | Yes | - |
| Ringer Profiles | - | - | - | Yes | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | - | Yes |
| Infrared (IR) | - | - | - | Yes | Yes |
| MirrorLink | - | - | - | - | Yes |
| Mobile Hotspot | - | n/a | n/a | - | n/a |
| NFC | - | - | - | - | Yes |
| USB | - |
Yes Micro-USB |
Yes USB Type C |
- |
Yes Micro-USB |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | - | n/a |
| Ringer ID | Yes | n/a | n/a | Yes | n/a |
| Voice Dialing | - | n/a | n/a | - | n/a |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | n/a | Yes | n/a |
| Real-Music Ringers | - | n/a | n/a | - | n/a |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | Yes | n/a |
| WAP / Web Browser | Yes | n/a | n/a | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Stylus | - | - | - | - | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | - | Yes |
| Messaging | |||||
| Email Client | - | n/a | n/a | - | n/a |
| EMS / Picture Messaging | Yes | n/a | n/a | - | n/a |
| Instant Messaging | - | n/a | n/a | - | n/a |
| MMS | Yes | n/a | n/a | Yes | n/a |
| Text Messaging Templates | Yes | n/a | n/a | Yes | n/a |
| Music | |||||
| FM Radio | - | Yes | - | - | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - | Yes |
| Music Player | - | n/a | n/a | - | n/a |
| Photo & Video | |||||
| TV Output | - | - | - | - | Yes |
| Power | |||||
| Fast Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | Yes | n/a |
| Calculator | Yes | n/a | n/a | Yes | n/a |
| Calendar | Yes | n/a | n/a | Yes | n/a |
| To-Do List | Yes | n/a | n/a | - | n/a |
| Voice Memo | Yes | n/a | n/a | Yes | n/a |
| Software | |||||
| Games | Yes | n/a | n/a | Yes | n/a |
| Java (J2ME) | Yes | n/a | n/a | - | n/a |
| Voice | |||||
| HD Voice | - | Yes | Yes | - | Yes |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | Yes | n/a |
| Speaker Phone | Yes | Yes | Yes | - | Yes |
| Samsung SGH-X640 | LG Premier Pro LTE | AT&T Maestro 3 | Sharp GX-10 / GX-10i | Samsung Galaxy Note 4 (CDMA) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | LG Premier Pro LTE | AT&T Maestro 3 | Sharp GX-10 / GX-10i | Samsung Galaxy Note 4 (CDMA) |
