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| Phone | ZTE Blade Z Max | Samsung Rugby A837 | Motorola KRZR K1 | Casio Exilim C721 | Apple iPhone 13 Pro Max |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
6" diag. 16 : 9 |
2" diag. 4 : 3 |
? |
2.3" diag. 4 : 3 |
6.7" diag. 19.5 : 9 |
| Display Resolution & Type |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~141 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
240 x 320 pixels (~174 ppi) LCD (TFT/TFD) |
1284 x 2778 pixels (~457 ppi) AMOLED |
| Display Refresh | 60 Hz | ? | ? | ? | 120 Hz |
| Battery | 4,080 mAh | 1,000 mAh | 780 mAh | 920 mAh | 4,352 mAh |
| Processor | 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) | ? | ? | ? | Apple A15 Bionic |
| RAM | 2 GB | ? | ? | ? | 6 GB |
| Storage | 32 GB | ? raw hardware | ? raw hardware | ? raw hardware | 128 GB * |
| Main Camera | 16 megapixel | 1 megapixel | 2 megapixel | 5 megapixel | 12 megapixel |
| Wide Camera | - | - | - | - | 12 megapixel |
| Tele Camera | - | - | - | - | 12 megapixel |
| Video Capture | 1080p HD | QCIF (176 x 144) | ? | QVGA (320 x 240) | 4K UHD |
| Front Camera | 8 megapixel | - | - | - | 12 megapixel |
| Weight |
6.58 oz (186g) |
4.66 oz (132g) |
3.6 oz (102g) |
4.48 oz (127g) |
8.46 oz (240g) |
| Dimensions |
6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm) |
3.95" x 2.05" x 0.9" (100 x 52 x 22.9 mm) |
4.05" x 1.65" x 0.63" (103 x 42 x 16 mm) |
4.06" x 1.97" x 0.78" (103 x 50 x 19.9 mm) |
6.33" x 3.07" x 0.3" (161 x 78 x 7.6 mm) |
| Form Factor | Slab | Clamshell | Clamshell | Clamshell | Slab |
| Platform / OS | Android | (proprietary) | (proprietary) | (proprietary) | iOS |
| Network Bands |
4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 29, 30, 38, 40, 41, 48, 66, 71, 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, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 6) | HSDPA 3.6 | EDGE | EVDO rA | NR (5G) |
| Features | |||||
| Barometer | - | - | - | - | Yes |
| Fingerprint Reader |
Yes stand-alone |
- | - | - | - |
| Flashlight | Yes | - | - | Yes | Yes |
| GPS / Location | n/a | Yes | - | Yes | n/a |
| Ruggedized | - | Yes | - | Yes | - |
| Water-Resistant | - | - | - | Yes |
Yes IPX8 (SCUBA) |
| Accessibility | |||||
| Adjustable Text Size | n/a | - | - | Yes | n/a |
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
| Multiple Languages | n/a | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | Yes | Yes | Yes | - |
| Ringer Profiles | - | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| NFC | - | - | - | - | Yes |
| USB |
Yes USB Type C |
Yes | Yes | Yes | - |
| UWB | - | - | - | - | Yes |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- | - | - |
Yes 6 (802.11 a,ac,ax,b,g,n) |
| Contacts | |||||
| Picture ID | n/a | Yes | Yes | Yes | n/a |
| Ringer ID | n/a | Yes | Yes | Yes | n/a |
| Voice Dialing | n/a | - | Yes | Yes | n/a |
| Customization | |||||
| Custom Graphics | n/a | Yes | Yes | Yes | n/a |
| Custom Ringtones | n/a | Yes | Yes | Yes | n/a |
| Real-Music Ringers | n/a | Yes | - | Yes | n/a |
| Data & Network | |||||
| Data Tethering | n/a | Yes | Yes | Yes | n/a |
| Dual-SIM | - | - | - | - | Yes |
| WAP / Web Browser | n/a | Yes | Yes | Yes | n/a |
| Input | |||||
| Predictive Text Entry | n/a | Yes | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- | - | - | Yes |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | Yes | - |
| Messaging | |||||
| Email Client | n/a | Yes | Yes | - | n/a |
| EMS / Picture Messaging | n/a | - | Yes | Yes | n/a |
| Instant Messaging | n/a | Yes | - | Yes | n/a |
| MMS | n/a | Yes | Yes | Yes | n/a |
| Text Messaging Templates | n/a | Yes | Yes | Yes | n/a |
| Music | |||||
| FM Radio | Yes | - | - | - | - |
| Headphone Jack (3.5mm) | Yes | - | - | - | - |
| Music Player | n/a | Yes | Yes | Yes | n/a |
| Stereo Speakers | - | - | - | - | Yes |
| Power | |||||
| Fast Charging | Yes | - | - | - | Yes |
| Wireless Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | n/a | Yes | Yes | Yes | n/a |
| Calculator | n/a | Yes | Yes | Yes | n/a |
| Calendar | n/a | Yes | Yes | Yes | n/a |
| To-Do List | n/a | - | - | Yes | n/a |
| Voice Memo | n/a | Yes | Yes | Yes | n/a |
| Software | |||||
| BREW | n/a | - | - | Yes | n/a |
| Games | n/a | Yes | Yes | Yes | n/a |
| Java (J2ME) | n/a | Yes | Yes | - | n/a |
| Voice | |||||
| HD Voice | Yes | - | - | - | Yes |
| Push-To-Talk | - | Yes | Yes * | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| ZTE Blade Z Max | Samsung Rugby A837 | Motorola KRZR K1 | Casio Exilim C721 | Apple iPhone 13 Pro Max | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Blade Z Max | Samsung Rugby A837 | Motorola KRZR K1 | Casio Exilim C721 | Apple iPhone 13 Pro Max |
