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| Phone | Samsung SGH-X640 | ZTE C88 | LG Stylo 4 | Samsung SGH-A157 | Samsung Galaxy A71 5G |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
2" diag. 4 : 3 |
6.2" diag. 18 : 9 |
1.8" diag. 4 : 3 |
6.7" diag. 20 : 9 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
176 x 220 pixels (~141 ppi) LCD (TFT/TFD) |
1080 x 2160 pixels (~390 ppi) LCD (TFT/TFD) |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~393 ppi) AMOLED |
| Display Refresh | ? | ? | 60 Hz | ? | 60 Hz |
| Battery | 800 mAh | 800 mAh | 3,300 mAh | 800 mAh | 4,500 mAh |
| Processor | ? | ? | 1.8 GHz Qualcomm Snapdragon 450 | ? | 2.4 GHz Qualcomm Snapdragon 765 |
| RAM | ? | ? | 2 GB * | ? | 6 GB |
| Storage | ? raw hardware | ? raw hardware | 32 GB * | 256 MB | 128 GB |
| Main Camera | Yes | Yes | 13 megapixel | - | 64 megapixel |
| Wide Camera | - | - | - | - | 12 megapixel |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | - | 1080p HD | - | 4K UHD |
| Front Camera | - | - | 5 megapixel | - | 32 megapixel |
| Weight |
3 oz (85g) |
3.46 oz (98g) |
6.07 oz (172g) |
2.99 oz (85g) |
6.52 oz (185g) |
| Dimensions |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
3.85" x 1.92" x 0.7" (98 x 49 x 17.8 mm) |
6.31" x 3.06" x 0.33" (160 x 78 x 8.4 mm) |
3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm) |
6.39" x 2.97" x 0.31" (162 x 75 x 7.9 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 29, 30, 38, 41, 66, 71 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 41, 66, 71, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | GPRS | 1xRTT | LTE (Cat 6) | ? | NR (5G) |
| Features | |||||
| Fingerprint Reader | - | - |
Yes stand-alone |
- |
Yes in-display (optical) |
| Flashlight | - | - | Yes | - | Yes |
| GPS / Location | - | Yes | n/a | Yes | n/a |
| Accessibility | |||||
| Adjustable Text Size | - | - | n/a | Yes | n/a |
| Hearing Aid Compatible | - | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4 (very compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | Yes | - | - | - |
| Ringer Profiles | - | - | - | Yes | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | - | Yes |
| NFC | - | - | Yes * | - | Yes |
| USB | - |
Yes Micro-USB |
Yes USB Type C |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | - | n/a | Yes | n/a |
| Ringer ID | Yes | Yes | n/a | Yes | n/a |
| Voice Dialing | - | Yes | n/a | - | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | n/a | Yes | n/a |
| Custom Ringtones | Yes | Yes | n/a | Yes | n/a |
| Real-Music Ringers | - | Yes | n/a | Yes | n/a |
| Data & Network | |||||
| WAP / Web Browser | Yes | Yes | n/a | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | - | Yes |
| Stylus | - | - | Yes | - | - |
| Touch Screen | - | - |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | - | Yes | - | Yes |
| Messaging | |||||
| Email Client | - | Yes | n/a | - | n/a |
| EMS / Picture Messaging | Yes | - | n/a | - | n/a |
| Instant Messaging | - | Yes | n/a | - | n/a |
| MMS | Yes | Yes | n/a | Yes | n/a |
| Text Messaging Templates | Yes | Yes | n/a | Yes | n/a |
| Music | |||||
| FM Radio | - | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | - | Yes | - | Yes |
| Photo & Video | |||||
| DLNA | - | - | Yes | - | - |
| Power | |||||
| Fast Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | Yes | n/a |
| Calculator | Yes | Yes | n/a | Yes | n/a |
| Calendar | Yes | Yes | n/a | Yes | n/a |
| To-Do List | Yes | - | n/a | Yes | n/a |
| Voice Memo | Yes | Yes | n/a | Yes | n/a |
| Software | |||||
| BREW | - | Yes | n/a | - | n/a |
| Games | Yes | Yes | n/a | - | n/a |
| Java (J2ME) | Yes | - | n/a | - | n/a |
| Voice | |||||
| HD Voice | - | - | Yes | - | Yes |
| Headset Jack (2.5 mm) | Yes | - | n/a | - | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung SGH-X640 | ZTE C88 | LG Stylo 4 | Samsung SGH-A157 | Samsung Galaxy A71 5G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X640 | ZTE C88 | LG Stylo 4 | Samsung SGH-A157 | Samsung Galaxy A71 5G |
