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| Phone | Samsung Galaxy Z Fold4 | ZTE Blade Z Max | Samsung SGH-A157 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
7.6" diag. 4 : 3 |
6" diag. 16 : 9 |
1.8" diag. 4 : 3 |
| Display Resolution & Type |
1812 x 2176 pixels (~373 ppi) AMOLED |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
| Display Refresh | 120 Hz | 60 Hz | ? |
| Battery | 4,400 mAh | 4,080 mAh | 800 mAh |
| Processor | 3.2 GHz Snapdragon 8+ Gen 1 | 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) | ? |
| RAM | 12 GB | 2 GB | ? |
| Storage | 256 GB * | 32 GB | 256 MB |
| Main Camera | 50 megapixel | 16 megapixel | - |
| Wide Camera | 12 megapixel | - | - |
| Tele Camera | 10 megapixel | - | - |
| Video Capture | 4K UHD | 1080p HD | - |
| Front Camera | 10 megapixel | 8 megapixel | - |
| Weight |
9.28 oz (263g) |
6.58 oz (186g) |
2.99 oz (85g) |
| Dimensions |
6.11" x 2.64" x 0.62" (155 x 67 x 15.8 mm) |
6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm) |
3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm) |
| Form Factor | Foldable | Slab | Clamshell |
| Platform / OS | Android | Android | (proprietary) |
| Network Bands |
5G: 2, 5, 7, 12, 25, 30, 38, 41, 48, 66, 71, 77-A, 77-C, 78, 258, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | NR (5G) | LTE (Cat 6) | ? |
| Features | |||
| Barometer | Yes | - | - |
| Fingerprint Reader |
Yes stand-alone |
Yes stand-alone |
- |
| Flashlight | Yes | Yes | - |
| GPS / Location | n/a | n/a | Yes |
| Water-Resistant |
Yes IPX8 (SCUBA) |
- | - |
| Accessibility | |||
| Adjustable Text Size | n/a | n/a | Yes |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4 (very compatible) |
| Multiple Languages | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Extra Display | Yes | - | - |
| Ringer Profiles | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | - |
| NFC | Yes | - | - |
| USB |
Yes USB Type C |
Yes USB Type C |
Yes Micro-USB |
| UWB | Yes | - | - |
| Wi-Fi |
Yes 6E (802.11 a,ac,ax,b,g,n) |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||
| Picture ID | n/a | n/a | Yes |
| Ringer ID | n/a | n/a | Yes |
| Customization | |||
| Custom Graphics | n/a | n/a | Yes |
| Custom Ringtones | n/a | n/a | Yes |
| Real-Music Ringers | n/a | n/a | Yes |
| Data & Network | |||
| Dual-SIM | Yes | - | - |
| WAP / Web Browser | n/a | n/a | Yes |
| Input | |||
| Predictive Text Entry | n/a | n/a | Yes |
| Side Keys | Yes | Yes | - |
| Stylus | Yes | - | - |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | |||
| Memory Card Slot | - | Yes | - |
| Messaging | |||
| MMS | n/a | n/a | Yes |
| Text Messaging Templates | n/a | n/a | Yes |
| Music | |||
| FM Radio | - | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | - |
| Photo & Video | |||
| TV Output | Yes | - | - |
| Power | |||
| Fast Charging | Yes | Yes | - |
| Wireless Charging | Yes | - | - |
| Productivity | |||
| Alarm | n/a | n/a | Yes |
| Calculator | n/a | n/a | Yes |
| Calendar | n/a | n/a | Yes |
| To-Do List | n/a | n/a | Yes |
| Voice Memo | n/a | n/a | Yes |
| Voice | |||
| HD Voice | Yes | Yes | - |
| Speaker Phone | Yes | Yes | Yes |
| Samsung Galaxy Z Fold4 | ZTE Blade Z Max | Samsung SGH-A157 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy Z Fold4 | ZTE Blade Z Max | Samsung SGH-A157 |
