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| Phone | BlackBerry 7750 | Samsung Galaxy A53 5G | ZTE Z331 | Coolpad Defiant |
| Current U.S. Carriers | (none) | Verizon | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
6.5" diag. 20 : 9 |
2.4" diag. 4 : 3 |
5" diag. 16 : 9 |
| Display Resolution & Type |
240 x 240 pixels LCD (Color) |
1080 x 2400 pixels (~405 ppi) AMOLED |
176 x 220 pixels (~117 ppi) LCD (TFT/TFD) |
480 x 854 pixels (~196 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 120 Hz | ? | 60 Hz |
| Battery | ? | 5,000 mAh | 950 mAh | 2,450 mAh |
| Processor | ? | 2.4 GHz Samsung Exynos 1280 | ? | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) |
| RAM | ? | 6 GB | ? | 1 GB |
| Storage | ? raw hardware | 128 GB | ? raw hardware | 8 GB |
| Main Camera | - | 64 megapixel | 3 megapixel | 5 megapixel |
| Wide Camera | - | 12 megapixel | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 4K UHD | QCIF (176 x 144) | 720p HD |
| Front Camera | - | 32 megapixel | - | 2 megapixel |
| Weight |
5.01 oz (142g) |
6.67 oz (189g) |
4 oz (113g) |
6.5 oz (184g) |
| Dimensions |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
6.28" x 2.94" x 0.32" (160 x 75 x 8.1 mm) |
3.84" x 2.02" x 0.69" (98 x 51 x 17.5 mm) |
5.69" x 2.81" x 0.4" (145 x 71 x 10.2 mm) |
| Form Factor | Slab | Slab | Clamshell | Slab |
| Platform / OS | BlackBerry OS | Android | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 |
5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 78, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 25, 26, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | NR (5G) | HSDPA 3.6 | LTE (Cat 4) |
| Features | ||||
| Fingerprint Reader | - |
Yes in-display (optical) |
- | - |
| Flashlight | - | Yes | - | Yes |
| GPS / Location | n/a | n/a | Yes | n/a |
| Water-Resistant | - |
Yes IPX7 (snorkeling) |
- | - |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | Yes | - | Yes | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| NFC | - | Yes | - | - |
| USB | Yes |
Yes USB Type C |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi | - |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | n/a | n/a | Yes | n/a |
| Ringer ID | 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 | Yes | n/a |
| Data & Network | ||||
| Data Tethering | n/a | n/a | Yes | n/a |
| 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 Capacitive |
| 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 | n/a | n/a | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | n/a | n/a | Yes | n/a |
| Stereo Speakers | - | Yes | - | - |
| Power | ||||
| Fast Charging | - | 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 | - | 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 | - | n/a |
| Speaker Phone | - | Yes | Yes | Yes |
| BlackBerry 7750 | Samsung Galaxy A53 5G | ZTE Z331 | Coolpad Defiant | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry 7750 | Samsung Galaxy A53 5G | ZTE Z331 | Coolpad Defiant |
