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| Phone | Samsung SGH-X640 | Nokia G400 5G | Nokia 1661 | Sonim XP5s | ZTE Z432 / Altair 2 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
6.6" diag. 20 : 9 |
1.8" diag. 4 : 3 |
2.6" diag. 4 : 3 |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
1080 x 2408 pixels (~401 ppi) LCD (TFT/TFD) |
128 x 160 pixels (~114 ppi) LCD (TFT/TFD) |
320 x 432 pixels (~204 ppi) LCD (TFT/TFD) |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 120 Hz | ? | ? | ? |
| Battery | 800 mAh | 5,000 mAh | 860 mAh | 3,180 mAh | 900 mAh |
| Processor | ? | Snapdragon 480+ | ? | 1.4 GHz Qualcomm Snapdragon 427 (MSM8920) | Qualcomm QSC6270 |
| RAM | ? | 4 GB | ? | 2 GB | 128 MB |
| Storage | ? raw hardware | 64 GB | ? raw hardware | 16 GB | 256 MB |
| Main Camera | Yes | 48 megapixel | - | 5 megapixel | 2 megapixel |
| Wide Camera | - | 5 megapixel | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 1080p HD | - | 720p HD | QVGA (320 x 240) |
| Front Camera | - | 16 megapixel | - | - | - |
| Weight |
3 oz (85g) |
6.98 oz (198g) |
2.9 oz (82g) |
9.17 oz (260g) |
3.24 oz (92g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
6.55" x 3.02" x 0.35" (166 x 77 x 8.8 mm) |
4.25" x 1.8" x 0.53" (108 x 46 x 13.5 mm) |
5.55" x 2.52" x 0.91" (141 x 64 x 23 mm) |
4.48" x 2.38" x 0.44" (114 x 60 x 11.2 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
GSM: 900, 1800, 1900 |
5G: 2, 5, 25, 41, 66, 71, 77-C 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 38, 39, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 25, 26, 28, 30, 38, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 1900 |
| Data Technology | GPRS | NR (5G) | - | LTE (Cat 4) | HSDPA 3.6 |
| Features | |||||
| Barometer | - | Yes | - | Yes | - |
| Fingerprint Reader | - |
Yes stand-alone |
- | - | - |
| Flashlight | - | Yes | Yes | Yes | - |
| GPS / Location | - | n/a | - | Yes | Yes |
| Ruggedized | - | - | - | Yes | - |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | - | Yes | Yes |
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
- |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | - | Yes | Yes |
| TTY/TDD (Digital) | - | - | - | Yes | Yes |
| Alerts | |||||
| Ringer Profiles | - | - | Yes | Yes | - |
| Connectivity | |||||
| Bluetooth | - | Yes | - | Yes | Yes |
| Mobile Hotspot | - | n/a | - | Yes | - |
| NFC | - | Yes | - | - | - |
| USB | - |
Yes USB Type C |
- |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi | - |
Yes 5 (802.11 ac,b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | |||||
| Picture ID | Yes | n/a | - | Yes | Yes |
| Ringer ID | Yes | n/a | - | Yes | Yes |
| Customization | |||||
| Custom Graphics | Yes | n/a | - | - | Yes |
| Custom Ringtones | Yes | n/a | - | Yes | - |
| Real-Music Ringers | - | n/a | - | - | Yes |
| Data & Network | |||||
| Dual-SIM | - | - | - | Yes | - |
| WAP / Web Browser | Yes | n/a | - | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | Yes | Yes | Yes |
| Side Keys | Yes | Yes | - | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | - | Yes |
| Touch Screen | - |
Yes Capacitive |
- | - | - |
| Memory | |||||
| Memory Card Slot | - | Yes | - | Yes | Yes |
| Messaging | |||||
| Email Client | - | n/a | - | - | Yes |
| EMS / Picture Messaging | Yes | n/a | - | - | - |
| MMS | Yes | n/a | - | Yes | Yes |
| Text Messaging Templates | Yes | n/a | - | Yes | Yes |
| Music | |||||
| FM Radio | - | Yes | Yes | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | - | - | Yes |
| Music Player | - | n/a | - | Yes | Yes |
| Power | |||||
| Fast Charging | - | Yes | - | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | Yes | Yes | Yes |
| Calculator | Yes | n/a | Yes | Yes | Yes |
| Calendar | Yes | n/a | Yes | Yes | Yes |
| To-Do List | Yes | n/a | - | - | - |
| Voice Memo | Yes | n/a | Yes | Yes | Yes |
| Software | |||||
| Games | Yes | n/a | Yes | - | - |
| Java (J2ME) | Yes | n/a | - | - | - |
| Voice | |||||
| HD Voice | - | Yes | - | Yes | - |
| Headset Jack (2.5 mm) | Yes | n/a | Yes | - | - |
| Push-To-Talk | - | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SGH-X640 | Nokia G400 5G | Nokia 1661 | Sonim XP5s | ZTE Z432 / Altair 2 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | Nokia G400 5G | Nokia 1661 | Sonim XP5s | ZTE Z432 / Altair 2 |
