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| Phone | Samsung SGH-X640 | ZTE MSGM8 II | Samsung SCH-A990 | Samsung SPH-A460 | TCL 20 Pro 5G |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
2.2" diag. 4 : 3 |
? | ? |
6.7" diag. 20 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
220 x 176 pixels (~130 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
128 x 128 pixels LCD (Grayscale) |
1080 x 2400 pixels (~395 ppi) AMOLED |
| Display Refresh | ? | ? | ? | ? | 60 Hz |
| Battery | 800 mAh | 900 mAh | 1,000 mAh | ? | 4,500 mAh |
| Processor | ? | ? | ? | ? | 2 GHz Qualcomm Snapdragon 750G |
| RAM | ? | ? | ? | ? | 6 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | 256 GB |
| Main Camera | Yes | 1 megapixel | 3 megapixel | - | 48 megapixel |
| Wide Camera | - | - | - | - | 16 megapixel |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | ? | - | 4K UHD |
| Front Camera | - | - | - | - | 32 megapixel |
| Weight |
3 oz (85g) |
3.65 oz (104g) |
4.4 oz (125g) |
3.4 oz (96g) |
6.82 oz (193g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
4.2" x 2.4" x 0.54" (107 x 61 x 13.7 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
3.4" x 2.1" x 0.9" (86 x 53 x 22.9 mm) |
6.46" x 2.87" x 0.36" (164 x 73 x 9.1 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1700, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
5G: 2, 5, 7, 41, 66, 71, 78 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | 1xRTT | EVDO r0 | - | NR (5G) |
| Features | |||||
| Barometer | - | - | - | - | Yes |
| Fingerprint Reader | - | - | - | - |
Yes in-display (optical) |
| Flashlight | - | - | Yes | - | Yes |
| GPS / Location | - | Yes | Yes | Yes | n/a |
| Water-Resistant | - | - | - | - |
Yes IPX2 (drip) |
| Accessibility | |||||
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | - | Yes |
| Alerts | |||||
| Extra Display | - | - | Yes | Yes | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | - | Yes |
| Infrared (IR) | - | - | - | - | Yes |
| NFC | - | - | - | - | Yes |
| USB | - |
Yes Mini-USB |
Yes | - |
Yes USB Type C |
| Wi-Fi | - | - | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | Yes | Yes | - | n/a |
| Ringer ID | Yes | Yes | Yes | Yes | n/a |
| Voice Dialing | - | Yes | Yes | Yes | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | Yes | n/a |
| Real-Music Ringers | - | Yes | Yes | - | n/a |
| Data & Network | |||||
| Data Tethering | - | - | Yes | Yes | n/a |
| WAP / Web Browser | Yes | Yes | Yes | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | - | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - | - |
| Touch Screen | - | - | - | - |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | - | Yes | - | Yes |
| Messaging | |||||
| EMS / Picture Messaging | Yes | - | Yes | - | n/a |
| MMS | Yes | Yes | Yes | - | n/a |
| Text Messaging Templates | Yes | - | Yes | - | n/a |
| Music | |||||
| FM Radio | - | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | - | - | - | Yes |
| Music Player | - | - | Yes | - | n/a |
| Stereo Speakers | - | - | Yes | - | - |
| Photo & Video | |||||
| TV Output | - | - | Yes | - | - |
| Power | |||||
| Fast Charging | - | - | - | - | Yes |
| Wireless Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | Yes | n/a |
| Calendar | Yes | Yes | Yes | Yes | n/a |
| To-Do List | Yes | - | - | Yes | n/a |
| Voice Memo | Yes | Yes | Yes | - | n/a |
| Software | |||||
| BREW | - | Yes | Yes | - | n/a |
| Games | Yes | Yes | Yes | Yes | n/a |
| Java (J2ME) | Yes | - | - | - | n/a |
| Voice | |||||
| HD Voice | - | - | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | Yes | - | Yes | n/a |
| Speaker Phone | Yes | Yes | Yes | - | Yes |
| Samsung SGH-X640 | ZTE MSGM8 II | Samsung SCH-A990 | Samsung SPH-A460 | TCL 20 Pro 5G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | ZTE MSGM8 II | Samsung SCH-A990 | Samsung SPH-A460 | TCL 20 Pro 5G |
