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| Phone | Samsung Gloss SCH-U440 | ZTE Blade Z Max | Samsung SGH-X640 | Samsung Galaxy J3 (2017, GSM) / J3 Prime / Express Prime 2 / Amp Prime 2 / Sol 2 | Samsung Galaxy A71 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" diag. 16 : 9 |
? |
5" diag. 16 : 9 |
6.7" diag. 20 : 9 |
| Display Resolution & Type |
220 x 176 pixels (~128 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~393 ppi) AMOLED |
| Display Refresh | ? | 60 Hz | ? | 60 Hz | 60 Hz |
| Battery | 800 mAh | 4,080 mAh | 800 mAh | 2,600 mAh | 4,500 mAh |
| Processor | ? | 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) | ? | 1.4 GHz Samsung Exynos 7 Quad (7570) | 2.4 GHz Qualcomm Snapdragon 765 |
| RAM | ? | 2 GB | ? | 1.5 GB | 6 GB |
| Storage | ? raw hardware | 32 GB | ? raw hardware | 16 GB | 128 GB |
| Main Camera | 1 megapixel | 16 megapixel | Yes | 5 megapixel | 64 megapixel |
| Wide Camera | - | - | - | - | 12 megapixel |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 1080p HD | - | 1080p HD | 4K UHD |
| Front Camera | - | 8 megapixel | - | 2 megapixel | 32 megapixel |
| Weight |
3.55 oz (101g) |
6.58 oz (186g) |
3 oz (85g) |
5.2 oz (147g) |
6.52 oz (185g) |
| Dimensions |
2.55" x 2.94" x 0.82" (65 x 75 x 20.8 mm) |
6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm) |
3.43" x 1.81" x 0.91" (87 x 46 x 23.1 mm) |
5.54" x 2.76" x 0.34" (141 x 70 x 8.6 mm) |
6.39" x 2.97" x 0.31" (162 x 75 x 7.9 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
GSM: 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 |
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| Data Technology | 1xRTT | LTE (Cat 6) | GPRS | LTE (Cat 4) | NR (5G) |
| Features | |||||
| Fingerprint Reader | - |
Yes stand-alone |
- | - |
Yes in-display (optical) |
| Flashlight | - | Yes | - | Yes | Yes |
| GPS / Location | Yes | n/a | - | n/a | n/a |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | - | Yes | Yes |
| NFC | - | - | - | - | Yes |
| USB | Yes |
Yes USB Type C |
- |
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) |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | n/a | Yes | n/a | n/a |
| Ringer ID | Yes | n/a | Yes | n/a | n/a |
| Voice Dialing | Yes | n/a | - | n/a | n/a |
| Customization | |||||
| Custom Graphics | Yes | n/a | Yes | n/a | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a | n/a |
| Real-Music Ringers | Yes | n/a | - | n/a | n/a |
| Data & Network | |||||
| WAP / Web Browser | - | n/a | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | - | n/a | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - | - |
| Touch Screen | - |
Yes Capacitive |
- |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | Yes | - | Yes | Yes |
| Messaging | |||||
| EMS / Picture Messaging | - | n/a | Yes | n/a | n/a |
| MMS | Yes | n/a | Yes | n/a | n/a |
| Text Messaging Templates | Yes | n/a | Yes | n/a | n/a |
| Music | |||||
| FM Radio | - | Yes | - | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | - | Yes | Yes |
| Music Player | Yes | n/a | - | n/a | n/a |
| Power | |||||
| Fast Charging | - | Yes | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | n/a | Yes | n/a | n/a |
| Calculator | Yes | n/a | Yes | n/a | n/a |
| Calendar | Yes | n/a | Yes | n/a | n/a |
| To-Do List | - | n/a | Yes | n/a | n/a |
| Voice Memo | Yes | n/a | Yes | n/a | n/a |
| Software | |||||
| BREW | Yes | n/a | - | n/a | n/a |
| Games | Yes | n/a | Yes | n/a | n/a |
| Java (J2ME) | - | n/a | Yes | n/a | n/a |
| Voice | |||||
| HD Voice | - | Yes | - | Yes | Yes |
| Headset Jack (2.5 mm) | Yes | n/a | Yes | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung Gloss SCH-U440 | ZTE Blade Z Max | Samsung SGH-X640 | Samsung Galaxy J3 (2017, GSM) / J3 Prime / Express Prime 2 / Amp Prime 2 / Sol 2 | Samsung Galaxy A71 5G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Gloss SCH-U440 | ZTE Blade Z Max | Samsung SGH-X640 | Samsung Galaxy J3 (2017, GSM) / J3 Prime / Express Prime 2 / Amp Prime 2 / Sol 2 | Samsung Galaxy A71 5G |
