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| Phone | ZTE Blade Z Max | Samsung Sidekick 4G | Samsung SPH-A660 / VI660 | Nokia XR21 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
6" diag. 16 : 9 |
3.5" diag. 5 : 3 |
? |
6.5" diag. 20 : 9 |
| Display Resolution & Type |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~267 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (Color) |
1080 x 2400 pixels (~406 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 60 Hz | ? | 60 Hz |
| Battery | 4,080 mAh | ? | ? | 4,800 mAh |
| Processor | 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) | 1 GHz Samsung Hummingbird Cortex A8 | ? | Snapdragon 695 |
| RAM | 2 GB | ? | ? | 6 GB |
| Storage | 32 GB | ? raw hardware | ? raw hardware | 128 GB |
| Main Camera | 16 megapixel | 3 megapixel | - | 64 megapixel |
| Wide Camera | - | - | - | 8 megapixel |
| Tele Camera | - | - | - | - |
| Video Capture | 1080p HD | WVGA / 480p | - | 1080p HD |
| Front Camera | 8 megapixel | Yes | - | 16 megapixel |
| Weight |
6.58 oz (186g) |
5.7 oz (162g) |
3.54 oz (100g) |
8.16 oz (231g) |
| Dimensions |
6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm) |
5" x 2.42" x 0.6" (127 x 61 x 15.2 mm) |
3.3" x 1.8" x 0.87" (84 x 46 x 22.1 mm) |
6.61" x 3.09" x 0.41" (168 x 78 x 10.4 mm) |
| Form Factor | Slab | Slide | Clamshell | Slab |
| Platform / OS | Android | Android | (proprietary) | Android |
| Network Bands |
4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
5G: 1, 2, 3, 5, 7, 20, 25, 28, 40, 41, 66, 71, 77-C, 78, 79, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 43, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 6) | HSPA+ 21 | 1xRTT | NR (5G) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Fingerprint Reader |
Yes stand-alone |
- | - |
Yes stand-alone |
| Flashlight | Yes | - | - | Yes |
| GPS / Location | n/a | n/a | Yes | n/a |
| Ruggedized | - | - | - | Yes |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| Mobile Hotspot | n/a | n/a | - | n/a |
| NFC | - | - | - | Yes |
| USB |
Yes USB Type C |
Yes Micro-USB |
- |
Yes USB Type C |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
- |
Yes 6 (802.11 a,ac,ax,b,g,n) |
| Contacts | ||||
| Picture ID | n/a | n/a | Yes | n/a |
| Ringer ID | n/a | n/a | Yes | n/a |
| Voice Dialing | n/a | n/a | Yes | n/a |
| Customization | ||||
| Custom Graphics | n/a | n/a | Yes | n/a |
| Custom Ringtones | n/a | n/a | Yes | n/a |
| Real-Music Ringers | n/a | n/a | - | n/a |
| Data & Network | ||||
| Data Tethering | n/a | n/a | Yes | n/a |
| Dual-SIM | - | - | - | Yes |
| WAP / Web Browser | n/a | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen |
Yes Capacitive |
Yes | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | - |
| Messaging | ||||
| Email Client | n/a | n/a | - | n/a |
| Instant Messaging | n/a | n/a | - | n/a |
| MMS | n/a | n/a | - | n/a |
| Music | ||||
| FM Radio | Yes | - | - | Yes |
| Headphone Jack (3.5mm) | Yes | Yes | - | Yes |
| Music Player | n/a | n/a | - | n/a |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| Power | ||||
| Fast Charging | Yes | - | - | Yes |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | n/a |
| Calculator | n/a | n/a | Yes | n/a |
| Calendar | n/a | n/a | Yes | n/a |
| To-Do List | n/a | n/a | Yes | n/a |
| Voice Memo | n/a | n/a | Yes | n/a |
| Software | ||||
| Games | n/a | n/a | Yes | n/a |
| Java (J2ME) | n/a | n/a | Yes | n/a |
| Voice | ||||
| HD Voice | Yes | - | - | - |
| Headset Jack (2.5 mm) | n/a | n/a | Yes | n/a |
| Speaker Phone | Yes | Yes | - | Yes |
| ZTE Blade Z Max | Samsung Sidekick 4G | Samsung SPH-A660 / VI660 | Nokia XR21 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Blade Z Max | Samsung Sidekick 4G | Samsung SPH-A660 / VI660 | Nokia XR21 |
