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| Phone | Samsung SGH-X640 | Nubia Red Magic 3 / 3S | Samsung Galaxy S9+ | Kyocera DuraXV / DuraXV Plus / DuraXA | Sharp Aquos Crystal |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
6.7" diag. 19.5 : 9 |
6.2" diag. 18.5 : 9 |
2.4" diag. 4 : 3 |
5" diag. 16 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
1080 x 2340 pixels (~388 ppi) AMOLED |
1440 x 2960 pixels (~531 ppi) AMOLED |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 90 Hz | 60 Hz | ? | 60 Hz |
| Battery | 800 mAh | 5,000 mAh | 3,500 mAh | 1,500 mAh | 2,040 mAh |
| Processor | ? | Qualcomm Snapdragon 855+ | 2.8 GHz Qualcomm Snapdragon 845 | Qualcomm QSC6185 | 1.2 GHz Qualcomm Snapdragon 400 MSM8926 |
| RAM | ? | 8 GB * | 6 GB | 256 MB | 1.5 GB |
| Storage | ? raw hardware | 128 GB * | 64 GB | 512 MB | 8 GB |
| Main Camera | Yes | 48 megapixel | 12 megapixel | 5 megapixel | 8 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | 12 megapixel | - | - |
| Video Capture | - | 4K UHD | 4K UHD | QVGA (320 x 240) | 1080p HD |
| Front Camera | - | 16 megapixel | 8 megapixel | - | 1 megapixel |
| Weight |
3 oz (85g) |
7.58 oz (215g) |
6.67 oz (189g) |
5.6 oz (159g) |
4.97 oz (141g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
6.76" x 3.09" x 0.38" (172 x 79 x 9.7 mm) |
6.22" x 2.91" x 0.33" (158 x 74 x 8.5 mm) |
4.13" x 2.15" x 0.98" (105 x 55 x 24.9 mm) |
5.16" x 2.6" x 0.4" (131 x 66 x 10.2 mm) |
| Form Factor | Clamshell | Slab | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | Android | Android | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 30, 34, 38, 39, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8, 19 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 25, 26, 41 CDMA: 800, 850, 1900 |
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| Data Technology | GPRS | LTE (Cat 9) | LTE (Cat 18) | EVDO rA | LTE (Cat 4) |
| Features | |||||
| Barometer | - | - | Yes | - | - |
| Fingerprint Reader | - |
Yes stand-alone |
Yes stand-alone |
- | - |
| Flashlight | - | Yes | Yes | Yes | - |
| GPS / Location | - | n/a | n/a | Yes | n/a |
| Ruggedized | - | - | - | Yes | - |
| VR-ready | - | - | Yes | - | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
Yes IPX8 (SCUBA) |
- |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | Yes | n/a |
| Hearing Aid Compatible | - | - | Yes |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | - | Yes | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| MirrorLink | - | - | Yes | - | - |
| Mobile Hotspot | - | n/a | n/a | - | n/a |
| NFC | - | - | Yes | - | - |
| USB | - |
Yes USB Type C |
Yes USB Type C |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi | - |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 4 (802.11 b,g,n) |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | Yes | n/a |
| Ringer ID | Yes | n/a | n/a | Yes | n/a |
| Voice Dialing | - | n/a | n/a | Yes | 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 | Yes | n/a |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | - | n/a |
| Dual-SIM | - | Yes | - | - | - |
| 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 |
| Text Keyboard, Hardware | - | 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 | Yes |
| Music Player | - | n/a | n/a | Yes | n/a |
| Stereo Speakers | - | Yes | Yes | - | - |
| Photo & Video | |||||
| Miracast | - | - | - | - | Yes |
| TV Output | - | Yes | Yes | - | - |
| Power | |||||
| Fast Charging | - | Yes | Yes | - | - |
| Wireless 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 | |||||
| BREW | - | n/a | n/a | Yes | n/a |
| 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 | - | n/a |
| Push-To-Talk | - | - | - | Yes * | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung SGH-X640 | Nubia Red Magic 3 / 3S | Samsung Galaxy S9+ | Kyocera DuraXV / DuraXV Plus / DuraXA | Sharp Aquos Crystal | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Nubia Red Magic 3 / 3S | Samsung Galaxy S9+ | Kyocera DuraXV / DuraXV Plus / DuraXA | Sharp Aquos Crystal |
