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| Phone | Samsung M520 | BlackBerry 7750 | Nokia 8 V / 8.3 5G | ZTE Z221 | Red Hydrogen One |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.1" diag. 4 : 3 |
? |
6.8" diag. 20 : 9 |
2" diag. 4 : 3 |
5.7" diag. 16 : 9 |
| Display Resolution & Type |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
240 x 240 pixels LCD (Color) |
1080 x 2400 pixels (~386 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
1440 x 2560 pixels (~515 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? | 60 Hz |
| Battery | ? | ? | 4,500 mAh | 900 mAh | 4,510 mAh |
| Processor | ? | ? | Qualcomm Snapdragon 765G | ? | 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) |
| RAM | ? | ? | 6 GB * | ? | 6 GB |
| Storage | ? raw hardware | ? raw hardware | 64 GB * | 142 MB | 128 GB * |
| Main Camera | 1 megapixel | - | 64 megapixel | Yes | 12 megapixel |
| Wide Camera | - | - | 12 megapixel | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | ? | - | 4K UHD | QCIF (176 x 144) | 4K UHD |
| Front Camera | - | - | 24 megapixel | - | 8 megapixel |
| Weight |
2.75 oz (78g) |
5.01 oz (142g) |
8.11 oz (230g) |
3.24 oz (92g) |
9.63 oz (273g) |
| Dimensions |
4.01" x 2.04" x 0.5" (102 x 52 x 12.7 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
6.77" x 3.09" x 0.35" (172 x 79 x 9 mm) |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) |
6.54" x 3.28" x 0.39" (166 x 83 x 10 mm) |
| Form Factor | Slide | Slab | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | BlackBerry OS | Android | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
5G: 2, 5, 66, 78, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 20, 28, 46, 48, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8, 19 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO r0 | 1xRTT | NR (5G) | HSDPA 3.6 | LTE (Cat 12) |
| Features | |||||
| Fingerprint Reader | - | - |
Yes stand-alone |
- |
Yes stand-alone |
| Flashlight | - | - | Yes | - | Yes |
| GPS / Location | Yes | n/a | n/a | Yes | n/a |
| Accessibility | |||||
| Hearing Aid Compatible | Yes | - | Yes | Yes | Yes |
| Multiple Languages | Yes | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | - | Yes | - |
| Ringer Profiles | - | Yes | - | Yes | - |
| Connectivity | |||||
| Bluetooth |
Yes Classic Audio |
- |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| NFC | - | - | Yes | - | Yes |
| USB | Yes | Yes |
Yes USB Type C |
Yes |
Yes USB Type C |
| Wi-Fi | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | - | n/a |
| Ringer ID | Yes | n/a | n/a | - | n/a |
| Voice Dialing | Yes | n/a | n/a | - | n/a |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | n/a | Yes | n/a |
| Real-Music Ringers | - | n/a | n/a | Yes | n/a |
| Data & Network | |||||
| Data Tethering | Yes | n/a | n/a | - | n/a |
| WAP / Web Browser | Yes | n/a | n/a | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - | - |
| Touch Screen | - | - | Yes | - | Yes |
| Memory | |||||
| Memory Card Slot | Yes | - | Yes | - | Yes |
| Messaging | |||||
| Email Client | - | n/a | n/a | Yes | n/a |
| Instant Messaging | - | n/a | n/a | Yes | n/a |
| MMS | - | n/a | n/a | Yes | n/a |
| Text Messaging Templates | Yes | n/a | n/a | Yes | n/a |
| Music | |||||
| FM Radio | - | - | Yes | - | Yes |
| Headphone Jack (3.5mm) | - | - | Yes | - | Yes |
| Music Player | Yes | n/a | n/a | - | n/a |
| Stereo Speakers | - | - | - | - | Yes |
| Power | |||||
| Fast Charging | - | - | Yes | - | Yes |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | Yes | n/a |
| Calculator | Yes | n/a | n/a | Yes | n/a |
| Calendar | Yes | n/a | n/a | Yes | n/a |
| To-Do List | Yes | n/a | n/a | - | n/a |
| Voice Memo | Yes | n/a | n/a | Yes | n/a |
| Software | |||||
| Games | Yes | n/a | n/a | Yes | n/a |
| Java (J2ME) | Yes | n/a | n/a | Yes | n/a |
| Voice | |||||
| HD Voice | - | - | Yes | - | Yes |
| Headset Jack (2.5 mm) | - | n/a | n/a | - | n/a |
| Speaker Phone | Yes | - | Yes | Yes | Yes |
| Samsung M520 | BlackBerry 7750 | Nokia 8 V / 8.3 5G | ZTE Z221 | Red Hydrogen One | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung M520 | BlackBerry 7750 | Nokia 8 V / 8.3 5G | ZTE Z221 | Red Hydrogen One |
