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| Phone | Samsung SGH-X640 | Nixxo NXG-9230 | Motorola W755 | Nubia Red Magic 3 / 3S | Motorola RAZR V3 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Not yet released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? |
1.9" diag. 4 : 3 |
6.7" diag. 19.5 : 9 |
? |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
176 x 220 pixels (~148 ppi) LCD (TFT/TFD) |
1080 x 2340 pixels (~388 ppi) AMOLED |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 90 Hz | ? |
| Battery | 800 mAh | ? | 950 mAh | 5,000 mAh | 680 mAh |
| Processor | ? | ? | ? | Qualcomm Snapdragon 855+ | ? |
| RAM | ? | ? | ? | 8 GB * | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 128 GB * | ? raw hardware |
| Main Camera | Yes | - | 1 megapixel | 48 megapixel | Yes |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | ? | 4K UHD | ? |
| Front Camera | - | - | - | 16 megapixel | - |
| Weight |
3 oz (85g) |
3.1 oz (88g) |
3.6 oz (102g) |
7.58 oz (215g) |
3.42 oz (97g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.35" x 1.8" x 0.9" (85 x 46 x 22.9 mm) |
3.9" x 1.9" x 0.68" (99 x 48 x 17.3 mm) |
6.76" x 3.09" x 0.38" (172 x 79 x 9.7 mm) |
3.86" x 2.09" x 0.54" (98 x 53 x 13.7 mm) |
| Form Factor | Clamshell | Clamshell | Clamshell | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
GSM: 850, 1900 |
CDMA: 850, 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 |
GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | GPRS | EVDO r0 | LTE (Cat 9) | GPRS |
| Features | |||||
| Fingerprint Reader | - | - | - |
Yes stand-alone |
- |
| Flashlight | - | - | - | Yes | - |
| GPS / Location | - | - | Yes | n/a | - |
| Accessibility | |||||
| Hearing Aid Compatible | - | - | Yes | - | Yes |
| Multiple Languages | Yes | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | - | - | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | Yes | Yes | - | Yes |
| Ringer Profiles | - | Yes | - | - | Yes |
| Connectivity | |||||
| Bluetooth | - | - | Yes | Yes | Yes |
| USB | - | - | Yes |
Yes USB Type C |
Yes Mini-USB |
| Wi-Fi | - | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | |||||
| Picture ID | Yes | Yes | Yes | n/a | Yes |
| Ringer ID | Yes | Yes | Yes | n/a | Yes |
| Voice Dialing | - | - | Yes | n/a | Yes |
| Customization | |||||
| Custom Graphics | Yes | Yes | Yes | n/a | Yes |
| Custom Ringtones | Yes | Yes | Yes | n/a | Yes |
| Real-Music Ringers | - | - | Yes | n/a | Yes |
| Data & Network | |||||
| Data Tethering | - | Yes | Yes | n/a | Yes |
| Dual-SIM | - | - | - | Yes | - |
| External Antenna Jack | - | - | Yes | n/a | - |
| WAP / Web Browser | Yes | Yes | Yes | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes | - |
| Touch Screen | - | - | - | Yes | - |
| Memory | |||||
| Memory Card Slot | - | - | Yes | - | - |
| Messaging | |||||
| Email Client | - | - | - | n/a | Yes |
| EMS / Picture Messaging | Yes | Yes | Yes | n/a | Yes |
| Instant Messaging | - | - | Yes | n/a | Yes |
| MMS | Yes | - | Yes | n/a | Yes |
| Text Messaging Templates | Yes | Yes | Yes | n/a | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | - | - | - | Yes | - |
| Music Player | - | - | Yes | n/a | - |
| Stereo Speakers | - | - | - | Yes | - |
| Photo & Video | |||||
| TV Output | - | - | - | Yes | - |
| Power | |||||
| Fast Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | n/a | Yes |
| Calculator | Yes | Yes | Yes | n/a | Yes |
| Calendar | Yes | Yes | Yes | n/a | Yes |
| To-Do List | Yes | - | - | n/a | - |
| Voice Memo | Yes | - | Yes | n/a | Yes |
| Software | |||||
| BREW | - | - | Yes | n/a | - |
| Games | Yes | Yes | Yes | n/a | Yes |
| Java (J2ME) | Yes | - | - | n/a | Yes |
| Voice | |||||
| HD Voice | - | - | - | Yes | - |
| Headset Jack (2.5 mm) | Yes | Yes | Yes | n/a | - |
| Speaker Phone | Yes | - | Yes | Yes | Yes |
| Samsung SGH-X640 | Nixxo NXG-9230 | Motorola W755 | Nubia Red Magic 3 / 3S | Motorola RAZR V3 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Nixxo NXG-9230 | Motorola W755 | Nubia Red Magic 3 / 3S | Motorola RAZR V3 |
