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| Phone | Cal-Comp EZ | BlackBerry 7750 | Samsung Galaxy S21 | Asus ZenFone 4 Max 5.5" | HTC EVO 4G |
| Current U.S. Carriers | (none) | (none) | Verizon | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | ? |
6.2" diag. 20 : 9 |
5.5" diag. 16 : 9 |
4.3" diag. 5 : 3 |
| 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) |
480 x 800 pixels (~217 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 120 Hz | 60 Hz | 60 Hz |
| Battery | 800 mAh | ? | 4,000 mAh | 5,000 mAh | 1,500 mAh |
| Processor | ? | ? | 2.8 GHz Qualcomm Snapdragon 888 | 1.4 GHz Qualcomm Snapdragon 430 (MSM8937) | 1 GHz Qualcomm Snapdragon S1 QSD8650 |
| RAM | ? | ? | 8 GB | 3 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 128 GB * | 32 GB | ? raw hardware |
| Main Camera | - | - | 12 megapixel | 13 megapixel | 8 megapixel |
| Wide Camera | - | - | 12 megapixel | Yes | - |
| Tele Camera | - | - | 64 megapixel | - | - |
| Video Capture | - | - | 8K | 1080p HD | 720p HD |
| Front Camera | - | - | 10 megapixel | 8 megapixel | Yes |
| Weight |
2.47 oz (70g) |
5.01 oz (142g) |
6.03 oz (171g) |
6.38 oz (181g) |
6 oz (170g) |
| 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) |
4.8" x 2.6" x 0.5" (122 x 66 x 12.7 mm) |
| Form Factor | Slab | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | BlackBerry OS | Android | 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 |
4G WiMAX: 41 CDMA: 850, 1900 |
| Data Technology | 1xRTT | 1xRTT | NR (5G) | LTE (Cat 4) | WiMAX |
| Features | |||||
| Barometer | - | - | Yes | - | - |
| Fingerprint Reader | - | - |
Yes in-display (ultrasonic) |
Yes stand-alone |
- |
| Flashlight | - | - | Yes | Yes | - |
| GPS / Location | Yes | n/a | n/a | n/a | n/a |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- | - |
| Accessibility | |||||
| Hearing Aid Compatible | - | - |
Yes M3, T3 (mostly tele-coil compatible) |
- | Yes |
| Multiple Languages | Yes | n/a | n/a | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | - | Yes |
| Alerts | |||||
| Ringer Profiles | - | Yes | - | - | - |
| Connectivity | |||||
| Bluetooth | - | - | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | n/a | n/a | n/a |
| NFC | - | - | Yes | - | - |
| USB |
Yes Mini-USB |
Yes |
Yes USB Type C |
Yes Micro-USB |
Yes |
| Wi-Fi | - | - |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes 4 (802.11 b,g,n) |
Yes 802.11 b,g |
| Contacts | |||||
| Picture ID | - | n/a | n/a | n/a | n/a |
| Ringer ID | - | n/a | n/a | n/a | n/a |
| Voice Dialing | - | n/a | n/a | n/a | n/a |
| Customization | |||||
| Custom Graphics | - | n/a | n/a | n/a | n/a |
| Custom Ringtones | - | n/a | n/a | n/a | n/a |
| Real-Music Ringers | - | n/a | n/a | n/a | n/a |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | n/a | n/a |
| WAP / Web Browser | - | n/a | n/a | n/a | n/a |
| Input | |||||
| Predictive Text Entry | - | n/a | n/a | n/a | n/a |
| Side Keys | - | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - | - |
| Touch Screen | - | - |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | - | - | Yes | Yes |
| Messaging | |||||
| Email Client | - | n/a | n/a | n/a | n/a |
| Instant Messaging | - | n/a | n/a | n/a | n/a |
| MMS | - | n/a | n/a | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a | n/a | n/a |
| Music | |||||
| FM Radio | - | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | - | - | Yes | Yes |
| Music Player | - | n/a | n/a | n/a | n/a |
| Stereo Speakers | - | - | Yes | - | - |
| Photo & Video | |||||
| Miracast | - | - | - | Yes | - |
| TV Output | - | - | Yes | - | Yes |
| Power | |||||
| Fast Charging | - | - | Yes | - | - |
| Wireless Charging | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | n/a | n/a |
| Calculator | Yes | n/a | n/a | n/a | n/a |
| Calendar | Yes | n/a | n/a | n/a | n/a |
| To-Do List | Yes | n/a | n/a | n/a | n/a |
| Voice Memo | Yes * | n/a | n/a | n/a | n/a |
| Software | |||||
| Games | - | n/a | n/a | n/a | n/a |
| Java (J2ME) | - | n/a | n/a | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | Yes | - | - |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | n/a | n/a |
| Speaker Phone | - | - | Yes | Yes | Yes |
| * Some versions only | |||||
| Cal-Comp EZ | BlackBerry 7750 | Samsung Galaxy S21 | Asus ZenFone 4 Max 5.5" | HTC EVO 4G | |
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" | HTC EVO 4G |
