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| Phone | Samsung SGH-X640 | Samsung SCH-A990 | Nubia RedMagic 5S | Motorola Defy (2010) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
6.7" diag. 19.5 : 9 |
3.6" diag. 16 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
1080 x 2340 pixels (~388 ppi) AMOLED |
480 x 854 pixels (~272 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 144 Hz | 60 Hz |
| Battery | 800 mAh | 1,000 mAh | 4,500 mAh | 1,540 mAh |
| Processor | ? | ? | Qualcomm Snapdragon 865 | 800 MHz TI OMAP3610 |
| RAM | ? | ? | 8 GB * | ? |
| Storage | ? raw hardware | ? raw hardware | 128 GB * | ? raw hardware |
| Main Camera | Yes | 3 megapixel | 64 megapixel | 5 megapixel |
| Wide Camera | - | - | 8 megapixel | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | 4K UHD | ? |
| Front Camera | - | - | 8 megapixel | - |
| Weight |
3 oz (85g) |
4.4 oz (125g) |
7.76 oz (220g) |
4.16 oz (118g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
6.64" x 3.07" x 0.38" (169 x 78 x 9.8 mm) |
4.21" x 2.32" x 0.53" (107 x 59 x 13.4 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 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 |
WCDMA: 1, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | EVDO r0 | NR (5G) | HSPA 7.2 |
| Features | ||||
| Fingerprint Reader | - | - | Yes | - |
| Flashlight | - | Yes | Yes | - |
| GPS / Location | - | Yes | n/a | n/a |
| Ruggedized | - | - | - | Yes |
| Accessibility | ||||
| Hearing Aid Compatible | - | Yes | - | - |
| Multiple Languages | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | - | Yes |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | - |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| USB | - | Yes |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi | - | - |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | n/a |
| Ringer ID | Yes | Yes | n/a | n/a |
| Voice Dialing | - | Yes | n/a | n/a |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | n/a |
| Custom Ringtones | Yes | Yes | n/a | n/a |
| Real-Music Ringers | - | Yes | n/a | n/a |
| Data & Network | ||||
| Data Tethering | - | Yes | n/a | n/a |
| Dual-SIM | - | - | Yes | - |
| WAP / Web Browser | Yes | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | Yes | Yes |
| Memory | ||||
| Memory Card Slot | - | Yes | - | Yes |
| Messaging | ||||
| Email Client | - | - | n/a | n/a |
| EMS / Picture Messaging | Yes | Yes | n/a | n/a |
| Instant Messaging | - | - | n/a | n/a |
| MMS | Yes | Yes | n/a | n/a |
| Text Messaging Templates | Yes | Yes | n/a | n/a |
| Music | ||||
| FM Radio | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | - | Yes | Yes |
| Music Player | - | Yes | n/a | n/a |
| Stereo Speakers | - | Yes | Yes | - |
| Photo & Video | ||||
| DLNA | - | - | - | Yes |
| TV Output | - | Yes | Yes | - |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | n/a | n/a |
| Calendar | Yes | Yes | n/a | n/a |
| To-Do List | Yes | - | n/a | n/a |
| Voice Memo | Yes | Yes | n/a | n/a |
| Software | ||||
| BREW | - | Yes | n/a | n/a |
| Games | Yes | Yes | n/a | n/a |
| Java (J2ME) | Yes | - | n/a | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | - | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung SGH-X640 | Samsung SCH-A990 | Nubia RedMagic 5S | Motorola Defy (2010) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Samsung SCH-A990 | Nubia RedMagic 5S | Motorola Defy (2010) |
