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| Phone | Samsung SGH-X820 | ZTE Blade Z Max | Kyocera DuraForce Ultra 5G | Samsung Galaxy S II Skyrocket |
| Current U.S. Carriers | (none) | (none) | Verizon | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
6" diag. 16 : 9 |
5.5" diag. 18 : 9 |
4.5" diag. 5 : 3 |
| Display Resolution & Type |
220 x 176 pixels LCD (TFT/TFD) |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
1080 x 2160 pixels (~443 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~207 ppi) AMOLED |
| Display Refresh | ? | 60 Hz | 60 Hz | 60 Hz |
| Battery | 650 mAh | 4,080 mAh | 4,500 mAh | 1,850 mAh |
| Processor | ? | 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) | 2.4 GHz Qualcomm Snapdragon 765G | 1.5 GHz Qualcomm Snapdragon S3 APQ8060 |
| RAM | ? | 2 GB | 6 GB | 1 GB |
| Storage | ? raw hardware | 32 GB | 128 GB | 16 GB |
| Main Camera | 2 megapixel | 16 megapixel | 23 megapixel | 8 megapixel |
| Wide Camera | - | - | 16 megapixel | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | 1080p HD | 4K UHD | 1080p HD |
| Front Camera | - | 8 megapixel | 8 megapixel | 2 megapixel |
| Weight |
2.33 oz (66g) |
6.58 oz (186g) |
9.81 oz (278g) |
4.71 oz (133g) |
| Dimensions |
4.45" x 1.97" x 0.27" (113 x 50 x 6.9 mm) |
6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm) |
6.5" x 2.95" x 0.63" (165 x 75 x 16 mm) |
5.12" x 2.72" x 0.35" (130 x 69 x 9 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 66, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 48, 66 WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
4G LTE: 4, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | EDGE | LTE (Cat 6) | NR (5G) | LTE (Cat 3) |
| Features | ||||
| Barometer | - | - | Yes | - |
| Fingerprint Reader | - |
Yes stand-alone |
Yes stand-alone |
- |
| Flashlight | - | Yes | Yes | - |
| GPS / Location | - | n/a | n/a | n/a |
| Ruggedized | - | - | Yes | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | ||||
| Hearing Aid Compatible | - | Yes | Yes | Yes |
| Multiple Languages | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | n/a | n/a |
| NFC | - | - | Yes | Yes |
| USB | Yes |
Yes USB Type C |
Yes USB Type C |
Yes Micro-USB |
| UWB | - | - | Yes | - |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 a,b,g,n) |
| Contacts | ||||
| Picture ID | Yes | n/a | n/a | n/a |
| Ringer ID | Yes | n/a | n/a | n/a |
| Voice Dialing | - | n/a | n/a | n/a |
| Customization | ||||
| Custom Graphics | Yes | n/a | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a | n/a |
| Real-Music Ringers | Yes | n/a | n/a | n/a |
| Data & Network | ||||
| Data Tethering | - | n/a | n/a | n/a |
| External Antenna Jack | Yes | n/a | n/a | n/a |
| WAP / Web Browser | Yes | n/a | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | Yes | Yes | Yes |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | Yes | n/a | n/a | n/a |
| EMS / Picture Messaging | Yes | n/a | n/a | n/a |
| Instant Messaging | - | n/a | n/a | n/a |
| MMS | Yes | n/a | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a | n/a |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes |
| Music Player | - | n/a | n/a | n/a |
| Photo & Video | ||||
| DLNA | - | - | - | Yes |
| TV Output | Yes | - | - | Yes |
| Power | ||||
| Fast Charging | - | Yes | Yes | - |
| Wireless Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | n/a |
| Calculator | Yes | n/a | n/a | n/a |
| Calendar | Yes | n/a | n/a | n/a |
| To-Do List | Yes | n/a | n/a | n/a |
| Voice Memo | Yes | n/a | n/a | n/a |
| Software | ||||
| Games | Yes | n/a | n/a | n/a |
| Java (J2ME) | Yes | n/a | n/a | n/a |
| Voice | ||||
| HD Voice | - | Yes | Yes | - |
| Push-To-Talk | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung SGH-X820 | ZTE Blade Z Max | Kyocera DuraForce Ultra 5G | Samsung Galaxy S II Skyrocket | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X820 | ZTE Blade Z Max | Kyocera DuraForce Ultra 5G | Samsung Galaxy S II Skyrocket |
