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| Phone | BlackBerry 7750 | ZTE Z221 | Nokia N78 | Nubia RedMagic 5S |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2" diag. 4 : 3 |
2.4" diag. 4 : 3 |
6.7" diag. 19.5 : 9 |
| Display Resolution & Type |
240 x 240 pixels LCD (Color) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
1080 x 2340 pixels (~388 ppi) AMOLED |
| Display Refresh | ? | ? | ? | 144 Hz |
| Battery | ? | 900 mAh | 1,200 mAh | 4,500 mAh |
| Processor | ? | ? | 369 MHz ARM 11 | Qualcomm Snapdragon 865 |
| RAM | ? | ? | ? | 8 GB * |
| Storage | ? raw hardware | 142 MB | ? raw hardware | 128 GB * |
| Main Camera | - | Yes | 3 megapixel | 64 megapixel |
| Wide Camera | - | - | - | 8 megapixel |
| Tele Camera | - | - | - | - |
| Video Capture | - | QCIF (176 x 144) | VGA (640 x 480) | 4K UHD |
| Front Camera | - | - | - | 8 megapixel |
| Weight |
5.01 oz (142g) |
3.24 oz (92g) |
3.59 oz (102g) |
7.76 oz (220g) |
| Dimensions |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) |
4.45" x 1.93" x 0.59" (113 x 49 x 15.1 mm) |
6.64" x 3.07" x 0.38" (169 x 78 x 9.8 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab |
| Platform / OS | BlackBerry OS | (proprietary) | S60 (Symbian) | Android |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
5G: 41, 78 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 26, 34, 38, 40, 41 WCDMA: 1, 2, 4, 5, 8, 19 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
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| Data Technology | 1xRTT | HSDPA 3.6 | HSDPA 3.6 | NR (5G) |
| Features | ||||
| Fingerprint Reader | - | - | - | Yes |
| Flashlight | - | - | - | Yes |
| GPS / Location | n/a | Yes | n/a | n/a |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
- | - |
| Multiple Languages | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | - |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Ringer Profiles | Yes | Yes | Yes | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| USB | Yes | Yes |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi | - | - |
Yes 802.11 b,g |
Yes 6 (802.11 a,ac,ax,b,g,n) |
| Contacts | ||||
| Picture ID | n/a | - | n/a | n/a |
| Ringer ID | n/a | - | n/a | n/a |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | n/a |
| Custom Ringtones | n/a | Yes | n/a | n/a |
| Real-Music Ringers | n/a | Yes | n/a | n/a |
| Data & Network | ||||
| Data Tethering | n/a | - | n/a | n/a |
| Dual-SIM | - | - | - | Yes |
| WAP / Web Browser | n/a | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen | - | - | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | - | Yes | - |
| Messaging | ||||
| Email Client | n/a | Yes | n/a | n/a |
| Instant Messaging | n/a | Yes | n/a | n/a |
| MMS | n/a | Yes | n/a | n/a |
| Text Messaging Templates | n/a | Yes | n/a | n/a |
| Music | ||||
| FM Radio | - | - | Yes | - |
| FM Transmitter | n/a | - | n/a | n/a |
| Headphone Jack (3.5mm) | - | - | Yes | Yes |
| Music Player | n/a | - | n/a | n/a |
| Stereo Speakers | - | - | Yes | Yes |
| Photo & Video | ||||
| TV Output | - | - | Yes | Yes |
| Video Calling | n/a | - | n/a | n/a |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | n/a |
| Calculator | n/a | Yes | n/a | n/a |
| Calendar | n/a | Yes | n/a | n/a |
| To-Do List | n/a | - | n/a | n/a |
| Voice Memo | n/a | Yes | n/a | n/a |
| Software | ||||
| Games | n/a | Yes | n/a | n/a |
| Java (J2ME) | n/a | Yes | n/a | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | n/a | - | n/a | n/a |
| Push-To-Talk | - | - | Yes * | - |
| Speaker Phone | - | Yes | Yes | Yes |
| * Some versions only | ||||
| BlackBerry 7750 | ZTE Z221 | Nokia N78 | Nubia RedMagic 5S | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry 7750 | ZTE Z221 | Nokia N78 | Nubia RedMagic 5S |
