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| Phone | Samsung SGH-X640 | Samsung SCH-A570 | Samsung SCH-A610 | Kyocera DuraXTP | Nubia RedMagic 5S |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? | ? |
2.4" diag. 4 : 3 |
6.7" diag. 19.5 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
128 x 160 pixels LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
1080 x 2340 pixels (~388 ppi) AMOLED |
| Display Refresh | ? | ? | ? | ? | 144 Hz |
| Battery | 800 mAh | ? | 1,300 mAh | 1,500 mAh | 4,500 mAh |
| Processor | ? | ? | ? | 480 MHz Qualcomm QSC6185 | Qualcomm Snapdragon 865 |
| RAM | ? | ? | ? | 256 MB | 8 GB * |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 512 MB | 128 GB * |
| Main Camera | Yes | - | Yes | 5 megapixel | 64 megapixel |
| Wide Camera | - | - | - | - | 8 megapixel |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | - | QVGA (320 x 240) | 4K UHD |
| Front Camera | - | - | - | - | 8 megapixel |
| Weight |
3 oz (85g) |
3.6 oz (102g) |
4.23 oz (120g) |
5.75 oz (163g) |
7.76 oz (220g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.3" x 1.8" x 0.9" (84 x 46 x 22.9 mm) |
3.5" x 1.9" x 0.9" (89 x 48 x 22.9 mm) |
4.13" x 2.15" x 0.99" (105 x 55 x 25.1 mm) |
6.64" x 3.07" x 0.38" (169 x 78 x 9.8 mm) |
| Form Factor | Clamshell | Clamshell | Clamshell | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
5G: 41, 78 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 26, 34, 38, 40, 41 WCDMA: 1, 2, 4, 5, 8, 19 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | 1xRTT | 1xRTT | EVDO rA | NR (5G) |
| Features | |||||
| Fingerprint Reader | - | - | - | - | Yes |
| Flashlight | - | - | - | Yes | Yes |
| GPS / Location | - | Yes | Yes | Yes | n/a |
| Ruggedized | - | - | - | Yes | - |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | |||||
| Adjustable Text Size | - | - | - | Yes | n/a |
| Hearing Aid Compatible | - | - | - |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | - | Yes | - |
| Alerts | |||||
| Extra Display | - | Yes | - | Yes | - |
| Connectivity | |||||
| Bluetooth | - | - | - | Yes | Yes |
| USB | - | - | - |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi | - | - | - | - |
Yes 6 (802.11 a,ac,ax,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | - | Yes | Yes | n/a |
| Ringer ID | Yes | - | Yes | Yes | n/a |
| Voice Dialing | - | Yes | Yes | Yes | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | Yes | n/a |
| Real-Music Ringers | - | - | - | Yes | n/a |
| Data & Network | |||||
| Data Tethering | - | - | Yes | - | n/a |
| Dual-SIM | - | - | - | - | Yes |
| WAP / Web Browser | Yes | Yes | Yes | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | - | - |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | - | - | Yes | - |
| Messaging | |||||
| Email Client | - | - | - | Yes | n/a |
| EMS / Picture Messaging | Yes | Yes | Yes | - | n/a |
| MMS | Yes | - | Yes | Yes | n/a |
| Text Messaging Templates | Yes | Yes | Yes | Yes | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | - | Yes | Yes |
| Stereo Speakers | - | - | - | - | Yes |
| Photo & Video | |||||
| TV Output | - | - | - | - | Yes |
| Power | |||||
| Fast Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | Yes | n/a |
| Calendar | Yes | Yes | Yes | Yes | n/a |
| To-Do List | Yes | Yes | Yes | Yes | n/a |
| Voice Memo | Yes | Yes | Yes | Yes | n/a |
| Software | |||||
| BREW | - | Yes | Yes | - | n/a |
| Games | Yes | Yes | Yes | Yes | n/a |
| Java (J2ME) | Yes | - | - | - | n/a |
| Voice | |||||
| Headset Jack (2.5 mm) | Yes | Yes | Yes | - | n/a |
| Push-To-Talk | - | - | - | Yes | - |
| Speaker Phone | Yes | - | - | Yes | Yes |
| Samsung SGH-X640 | Samsung SCH-A570 | Samsung SCH-A610 | Kyocera DuraXTP | Nubia RedMagic 5S | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Samsung SCH-A570 | Samsung SCH-A610 | Kyocera DuraXTP | Nubia RedMagic 5S |
