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| Phone | ZTE ZMAX 2 | Samsung SGH-A657 | ZTE Obsidian | Samsung Galaxy S23 Ultra | Kyocera DuraXV LTE |
| Current U.S. Carriers | (none) | (none) | (none) | Verizon | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
5.5" diag. 16 : 9 |
? |
4.5" diag. 16 : 9 |
6.8" diag. 19.5 : 9 |
2.6" diag. 4 : 3 |
| Display Resolution & Type |
720 x 1280 pixels (~267 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
1440 x 3088 pixels (~501 ppi) AMOLED |
240 x 320 pixels (~154 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz | 120 Hz | ? |
| Battery | 3,000 mAh | 1,420 mAh | 1,800 mAh | 5,000 mAh | 1,530 mAh |
| Processor | 1.2 GHz Qualcomm Snapdragon 400 (MSM8916) | ? | 1 GHz MediaTek / MT6735M | 3.4 GHz Snapdragon 8 Gen 2 for Galaxy | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) |
| RAM | 2 GB | ? | 1 GB | 8 GB * | 2 GB |
| Storage | 16 GB | ? raw hardware | 8 GB | 256 GB * | 16 GB |
| Main Camera | 8 megapixel | - | 5 megapixel | 200 megapixel | 5 megapixel |
| Wide Camera | - | - | - | 12 megapixel | - |
| Tele Camera | - | - | - | 10 megapixel | - |
| Video Capture | 720p HD | - | 720p HD | 8K | 720p HD |
| Front Camera | 2 megapixel | - | 2 megapixel | 12 megapixel | - |
| Weight |
5.99 oz (170g) |
4.34 oz (123g) |
4.66 oz (132g) |
8.25 oz (234g) |
6.17 oz (175g) |
| Dimensions |
6.06" x 2.99" x 0.37" (154 x 76 x 9.4 mm) |
4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm) |
5.41" x 2.7" x 0.39" (137 x 69 x 10 mm) |
6.43" x 3.07" x 0.35" (163 x 78 x 8.9 mm) |
4.21" x 2.26" x 1.03" (107 x 57 x 26.2 mm) |
| Form Factor | Slab | Slab | Slab | Slab | Clamshell |
| Platform / OS | Android | (proprietary) | Android | Android | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 29, 30, 38, 41, 48, 66, 71, 77-A, 77-C, 78, 257, 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, 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
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| Data Technology | LTE (Cat 4) | HSDPA 3.6 | LTE (Cat 4) | NR (5G) | LTE (Cat 4) |
| Features | |||||
| Barometer | - | - | - | Yes | - |
| Fingerprint Reader | - | - | - |
Yes in-display (ultrasonic) |
- |
| Flashlight | - | Yes | Yes | Yes | Yes |
| GPS / Location | n/a | Yes | n/a | n/a | Yes |
| Ruggedized | - | Yes | - | - | Yes |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
Yes IPX8 (SCUBA) |
| Accessibility | |||||
| Adjustable Text Size | n/a | - | n/a | n/a | Yes |
| Hearing Aid Compatible | Yes | - | Yes | Yes | Yes |
| Multiple Languages | n/a | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| Mobile Hotspot | n/a | - | n/a | n/a | Yes |
| NFC | - | - | - | Yes | - |
| USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
Yes USB Type C |
Yes Micro-USB |
| UWB | - | - | - | Yes | - |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- |
Yes 4 (802.11 b,g,n) |
Yes 6E (802.11 a,ac,ax,b,g,n) |
Yes |
| Contacts | |||||
| Picture ID | n/a | Yes | n/a | n/a | Yes |
| Ringer ID | n/a | Yes | n/a | n/a | Yes |
| Voice Dialing | n/a | - | n/a | n/a | Yes |
| Customization | |||||
| Custom Graphics | n/a | Yes | n/a | n/a | Yes |
| Custom Ringtones | n/a | Yes | n/a | n/a | Yes |
| Real-Music Ringers | n/a | Yes | n/a | n/a | Yes |
| Data & Network | |||||
| Data Tethering | n/a | Yes | n/a | n/a | Yes |
| WAP / Web Browser | n/a | Yes | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | n/a | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Stylus | - | - | - | Yes | - |
| Touch Screen | Yes | - | Yes | Yes | - |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | - | Yes |
| Messaging | |||||
| Email Client | n/a | Yes | n/a | n/a | Yes |
| Instant Messaging | n/a | Yes | n/a | n/a | - |
| MMS | n/a | Yes | n/a | n/a | Yes |
| Text Messaging Templates | n/a | Yes | n/a | n/a | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | Yes | - | Yes | - | Yes |
| Music Player | n/a | Yes | n/a | n/a | Yes |
| Stereo Speakers | - | - | - | Yes | - |
| Power | |||||
| Fast Charging | - | - | - | Yes | - |
| Wireless Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | n/a | Yes | n/a | n/a | Yes |
| Calculator | n/a | Yes | n/a | n/a | Yes |
| Calendar | n/a | Yes | n/a | n/a | Yes |
| To-Do List | n/a | Yes | n/a | n/a | Yes |
| Voice Memo | n/a | Yes | n/a | n/a | Yes |
| Software | |||||
| Games | n/a | Yes | n/a | n/a | - |
| Java (J2ME) | n/a | Yes | n/a | n/a | - |
| Voice | |||||
| HD Voice | - | - | - | Yes | Yes |
| Push-To-Talk | - | Yes | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| ZTE ZMAX 2 | Samsung SGH-A657 | ZTE Obsidian | Samsung Galaxy S23 Ultra | Kyocera DuraXV LTE | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE ZMAX 2 | Samsung SGH-A657 | ZTE Obsidian | Samsung Galaxy S23 Ultra | Kyocera DuraXV LTE |
