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| Phone | Samsung Rugby 4 | ZTE Blade X1 5G | Samsung SGH-X640 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
6.5" diag. 19.5 : 9 |
? |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
1080 x 2340 pixels (~396 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? |
| Battery | 1,300 mAh | 4,000 mAh | 800 mAh |
| Processor | Intel XMM6230 | 2.4 GHz Qualcomm Snapdragon 765G | ? |
| RAM | 128 MB | 6 GB | ? |
| Storage | 256 MB | 128 GB | ? raw hardware |
| Main Camera | 3 megapixel | 48 megapixel | Yes |
| Wide Camera | - | 8 megapixel | - |
| Tele Camera | - | - | - |
| Video Capture | QVGA (320 x 240) | 4K UHD | - |
| Front Camera | - | 16 megapixel | - |
| Weight |
5.22 oz (148g) |
6.7 oz (190g) |
3 oz (85g) |
| Dimensions |
4.25" x 2.17" x 0.85" (108 x 55 x 21.6 mm) |
6.46" x 2.99" x 0.36" (164 x 76 x 9.2 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
| Form Factor | Clamshell | Slab | Clamshell |
| Platform / OS | (proprietary) | Android | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 66 4G LTE: 2, 4, 5, 12, 13, 66 |
GSM: 900, 1800, 1900 |
| Data Technology | HSPA+ 21 | NR (5G) | GPRS |
| Features | |||
| Barometer | - | Yes | - |
| Fingerprint Reader | - |
Yes stand-alone |
- |
| Flashlight | - | Yes | - |
| GPS / Location | Yes | n/a | - |
| Ruggedized | Yes | - | - |
| Water-Resistant |
Yes IPX7 (snorkeling) |
- | - |
| Accessibility | |||
| Adjustable Text Size | Yes | n/a | - |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | - |
| Alerts | |||
| Extra Display | Yes | - | - |
| Ringer Profiles | Yes | - | - |
| Connectivity | |||
| Bluetooth | Yes | Yes | - |
| NFC | - | Yes | - |
| USB |
Yes Micro-USB |
Yes USB Type C |
- |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | |||
| Picture ID | Yes | n/a | Yes |
| Ringer ID | Yes | n/a | Yes |
| Voice Dialing | Yes | n/a | - |
| Customization | |||
| Custom Graphics | Yes | n/a | Yes |
| Custom Ringtones | Yes | n/a | Yes |
| Real-Music Ringers | Yes | n/a | - |
| Data & Network | |||
| WAP / Web Browser | Yes | n/a | Yes |
| Input | |||
| Predictive Text Entry | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
- |
| Memory | |||
| Memory Card Slot | Yes | Yes | - |
| Messaging | |||
| Email Client | Yes | n/a | - |
| EMS / Picture Messaging | - | n/a | Yes |
| MMS | Yes | n/a | Yes |
| Text Messaging Templates | Yes | n/a | Yes |
| Music | |||
| Headphone Jack (3.5mm) | - | Yes | - |
| Music Player | Yes | n/a | - |
| Power | |||
| Fast Charging | - | Yes | - |
| Productivity | |||
| Alarm | Yes | n/a | Yes |
| Calculator | Yes | n/a | Yes |
| Calendar | Yes | n/a | Yes |
| To-Do List | Yes | n/a | Yes |
| Voice Memo | Yes | n/a | Yes |
| Software | |||
| Games | Yes | n/a | Yes |
| Java (J2ME) | Yes | n/a | Yes |
| Voice | |||
| HD Voice | - | Yes | - |
| Headset Jack (2.5 mm) | - | n/a | Yes |
| Push-To-Talk | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes |
| Samsung Rugby 4 | ZTE Blade X1 5G | Samsung SGH-X640 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Rugby 4 | ZTE Blade X1 5G | Samsung SGH-X640 |
