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| Phone | ZTE Z432 / Altair 2 | TCL REVVL 5G | Samsung SGH-X640 | Samsung SCH-A990 | Samsung Memoir SGH-T929 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
6.5" diag. 19.5 : 9 |
? | ? |
3.1" diag. 5 : 3 |
| Display Resolution & Type |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
1080 x 2340 pixels (~395 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
240 x 400 pixels (~150 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | ? | ? |
| Battery | 900 mAh | 4,500 mAh | 800 mAh | 1,000 mAh | ? |
| Processor | Qualcomm QSC6270 | 2.4 GHz Qualcomm Snapdragon 765 | ? | ? | ? |
| RAM | 128 MB | 6 GB | ? | ? | ? |
| Storage | 256 MB | 256 GB | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 2 megapixel | 48 megapixel | Yes | 3 megapixel | 8 megapixel |
| Wide Camera | - | 8 megapixel | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QVGA (320 x 240) | 4K UHD | - | ? | ? |
| Front Camera | - | 16 megapixel | - | - | - |
| Weight |
3.24 oz (92g) |
7.58 oz (215g) |
3 oz (85g) |
4.4 oz (125g) |
4.4 oz (125g) |
| Dimensions |
4.48" x 2.38" x 0.44" (114 x 60 x 11.2 mm) |
6.51" x 3" x 0.37" (165 x 76 x 9.4 mm) |
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) |
4.17" x 2.11" x 0.55" (106 x 54 x 14 mm) |
| Form Factor | Slab | Slab | Clamshell | Clamshell | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 1900 |
5G: 2, 25, 41, 66, 71 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSDPA 3.6 | NR (5G) | GPRS | EVDO r0 | HSDPA 3.6 |
| Features | |||||
| Fingerprint Reader | - |
Yes stand-alone |
- | - | - |
| Flashlight | - | Yes | - | Yes | - |
| GPS / Location | Yes | n/a | - | Yes | Yes |
| Accessibility | |||||
| Adjustable Text Size | Yes | n/a | - | - | - |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
- |
Yes M3 (mostly compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | n/a | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | - | Yes | - |
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | - | Yes | Yes |
| NFC | - | Yes | - | - | - |
| USB |
Yes Micro-USB |
Yes USB Type C |
- | Yes | Yes |
| Wi-Fi | - |
Yes 5 (802.11 a,ac,b,g,n) |
- | - | - |
| Contacts | |||||
| Picture ID | Yes | n/a | Yes | Yes | Yes |
| Ringer ID | Yes | n/a | Yes | Yes | - |
| Voice Dialing | - | n/a | - | Yes | Yes |
| Customization | |||||
| Custom Graphics | Yes | n/a | Yes | Yes | Yes |
| Custom Ringtones | - | n/a | Yes | Yes | Yes |
| Real-Music Ringers | Yes | n/a | - | Yes | Yes |
| Data & Network | |||||
| Data Tethering | - | n/a | - | Yes | - |
| WAP / Web Browser | Yes | n/a | Yes | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - | - |
| Touch Screen | - |
Yes Capacitive |
- | - | Yes |
| Memory | |||||
| Memory Card Slot | Yes | Yes | - | Yes | Yes |
| Messaging | |||||
| Email Client | Yes | n/a | - | - | Yes |
| EMS / Picture Messaging | - | n/a | Yes | Yes | - |
| Instant Messaging | - | n/a | - | - | Yes |
| MMS | Yes | n/a | Yes | Yes | Yes |
| Text Messaging Templates | Yes | n/a | Yes | Yes | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | Yes | Yes | - | - | - |
| Music Player | Yes | n/a | - | Yes | Yes |
| Stereo Speakers | - | - | - | Yes | - |
| Photo & Video | |||||
| TV Output | - | - | - | Yes | 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 | - | n/a | Yes | - | Yes |
| Voice Memo | Yes | n/a | Yes | Yes | Yes |
| Software | |||||
| BREW | - | n/a | - | Yes | - |
| Games | - | n/a | Yes | Yes | Yes |
| Java (J2ME) | - | n/a | Yes | - | - |
| Voice | |||||
| HD Voice | - | Yes | - | - | - |
| Headset Jack (2.5 mm) | - | n/a | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| ZTE Z432 / Altair 2 | TCL REVVL 5G | Samsung SGH-X640 | Samsung SCH-A990 | Samsung Memoir SGH-T929 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z432 / Altair 2 | TCL REVVL 5G | Samsung SGH-X640 | Samsung SCH-A990 | Samsung Memoir SGH-T929 |
