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| Phone | Samsung SGH-A157 | ZTE Blade Z Max | TCL 20 Pro 5G |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
1.8" diag. 4 : 3 |
6" diag. 16 : 9 |
6.7" diag. 20 : 9 |
| Display Resolution & Type |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~395 ppi) AMOLED |
| Display Refresh | ? | 60 Hz | 60 Hz |
| Battery | 800 mAh | 4,080 mAh | 4,500 mAh |
| Processor | ? | 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) | 2 GHz Qualcomm Snapdragon 750G |
| RAM | ? | 2 GB | 6 GB |
| Storage | 256 MB | 32 GB | 256 GB |
| Main Camera | - | 16 megapixel | 48 megapixel |
| Wide Camera | - | - | 16 megapixel |
| Tele Camera | - | - | - |
| Video Capture | - | 1080p HD | 4K UHD |
| Front Camera | - | 8 megapixel | 32 megapixel |
| Weight |
2.99 oz (85g) |
6.58 oz (186g) |
6.82 oz (193g) |
| Dimensions |
3.83" x 1.84" x 0.65" (97 x 47 x 16.5 mm) |
6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm) |
6.46" x 2.87" x 0.36" (164 x 73 x 9.1 mm) |
| Form Factor | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
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 | ? | LTE (Cat 6) | NR (5G) |
| Features | |||
| Barometer | - | - | Yes |
| Fingerprint Reader | - |
Yes stand-alone |
Yes in-display (optical) |
| Flashlight | - | Yes | Yes |
| GPS / Location | Yes | n/a | n/a |
| Water-Resistant | - | - |
Yes IPX2 (drip) |
| Accessibility | |||
| Adjustable Text Size | Yes | n/a | n/a |
| Hearing Aid Compatible |
Yes M4 (very compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Ringer Profiles | Yes | - | - |
| Connectivity | |||
| Bluetooth | - | Yes | Yes |
| Infrared (IR) | - | - | Yes |
| NFC | - | - | Yes |
| USB |
Yes Micro-USB |
Yes USB Type C |
Yes USB Type C |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||
| Picture ID | Yes | n/a | n/a |
| Ringer ID | Yes | n/a | n/a |
| Customization | |||
| Custom Graphics | Yes | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a |
| Real-Music Ringers | Yes | n/a | n/a |
| Data & Network | |||
| WAP / Web Browser | Yes | n/a | n/a |
| Input | |||
| Predictive Text Entry | Yes | n/a | n/a |
| Side Keys | - | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | - | Yes | Yes |
| Messaging | |||
| MMS | Yes | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a |
| Music | |||
| FM Radio | - | Yes | Yes |
| Headphone Jack (3.5mm) | - | Yes | Yes |
| Power | |||
| Fast Charging | - | Yes | Yes |
| Wireless Charging | - | - | Yes |
| Productivity | |||
| Alarm | Yes | n/a | n/a |
| Calculator | Yes | n/a | n/a |
| Calendar | Yes | n/a | n/a |
| To-Do List | Yes | n/a | n/a |
| Voice Memo | Yes | n/a | n/a |
| Voice | |||
| HD Voice | - | Yes | Yes |
| Speaker Phone | Yes | Yes | Yes |
| Samsung SGH-A157 | ZTE Blade Z Max | TCL 20 Pro 5G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-A157 | ZTE Blade Z Max | TCL 20 Pro 5G |
