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| Phone | Cal-Comp EZ | BlackBerry 7750 | Samsung Galaxy S21 | Asus ZenFone 4 Max 5.5" |
| Current U.S. Carriers | (none) | (none) | Verizon | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
6.2" diag. 20 : 9 |
5.5" diag. 16 : 9 |
| Display Resolution & Type |
128 x 128 pixels LCD (STN) |
240 x 240 pixels LCD (Color) |
1080 x 2400 pixels (~424 ppi) AMOLED |
720 x 1280 pixels (~267 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 120 Hz | 60 Hz |
| Battery | 800 mAh | ? | 4,000 mAh | 5,000 mAh |
| Processor | ? | ? | 2.8 GHz Qualcomm Snapdragon 888 | 1.4 GHz Qualcomm Snapdragon 430 (MSM8937) |
| RAM | ? | ? | 8 GB | 3 GB |
| Storage | ? raw hardware | ? raw hardware | 128 GB * | 32 GB |
| Main Camera | - | - | 12 megapixel | 13 megapixel |
| Wide Camera | - | - | 12 megapixel | Yes |
| Tele Camera | - | - | 64 megapixel | - |
| Video Capture | - | - | 8K | 1080p HD |
| Front Camera | - | - | 10 megapixel | 8 megapixel |
| Weight |
2.47 oz (70g) |
5.01 oz (142g) |
6.03 oz (171g) |
6.38 oz (181g) |
| Dimensions |
4.04" x 1.71" x 0.63" (103 x 43 x 16 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
6.06" x 3.03" x 0.35" (154 x 77 x 8.9 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | BlackBerry OS | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 17, 26, 28, 38, 41 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | 1xRTT | NR (5G) | LTE (Cat 4) |
| Features | ||||
| Barometer | - | - | Yes | - |
| Fingerprint Reader | - | - |
Yes in-display (ultrasonic) |
Yes stand-alone |
| Flashlight | - | - | Yes | Yes |
| GPS / Location | Yes | n/a | n/a | n/a |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | ||||
| Hearing Aid Compatible | - | - |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | - |
| Alerts | ||||
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | - | - | Yes | Yes |
| NFC | - | - | Yes | - |
| USB |
Yes Mini-USB |
Yes |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi | - | - |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes 4 (802.11 b,g,n) |
| Customization | ||||
| Custom Ringtones | - | n/a | n/a | n/a |
| Data & Network | ||||
| WAP / Web Browser | - | n/a | n/a | n/a |
| Input | ||||
| Side Keys | - | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen | - | - |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | - | - | Yes |
| Messaging | ||||
| Email Client | - | n/a | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Stereo Speakers | - | - | Yes | - |
| Photo & Video | ||||
| Miracast | - | - | - | Yes |
| TV Output | - | - | Yes | - |
| Power | ||||
| Fast Charging | - | - | 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 | - | n/a | n/a | n/a |
| Java (J2ME) | - | n/a | n/a | n/a |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | n/a |
| Speaker Phone | - | - | Yes | Yes |
| * Some versions only | ||||
| Cal-Comp EZ | BlackBerry 7750 | Samsung Galaxy S21 | Asus ZenFone 4 Max 5.5" | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Cal-Comp EZ | BlackBerry 7750 | Samsung Galaxy S21 | Asus ZenFone 4 Max 5.5" |
