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| Phone | Cal-Comp EZ | Samsung Galaxy S7 edge | Samsung Galaxy S23 | Samsung Jack i637 | Samsung Knack U310 |
| Current U.S. Carriers | (none) | (none) |
US Cellular Verizon Xfinity Mobile |
(none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
5.5" diag. 16 : 9 |
6.1" diag. 19.5 : 9 |
2.4" diag. 4 : 3 |
2.2" diag. 4 : 3 |
| Display Resolution & Type |
128 x 128 pixels LCD (STN) |
1440 x 2560 pixels (~534 ppi) AMOLED |
1080 x 2340 pixels (~422 ppi) AMOLED |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 120 Hz | ? | ? |
| Battery | 800 mAh | 3,600 mAh | 3,900 mAh | 1,480 mAh | 1,000 mAh |
| Processor | ? | 2.2 GHz Qualcomm Snapdragon 820 (MSM8996) | 3.4 GHz Snapdragon 8 Gen 2 for Galaxy | ? | ? |
| RAM | ? | 4 GB | 8 GB | ? | ? |
| Storage | ? raw hardware | 32 GB | 128 GB * | ? raw hardware | ? raw hardware |
| Main Camera | - | 12 megapixel | 50 megapixel | 3 megapixel | - |
| Wide Camera | - | - | 12 megapixel | - | - |
| Tele Camera | - | - | 10 megapixel | - | - |
| Video Capture | - | 4K UHD | 8K | ? | - |
| Front Camera | - | 5 megapixel | 12 megapixel | - | - |
| Weight |
2.47 oz (70g) |
5.54 oz (157g) |
5.93 oz (168g) |
3.6 oz (102g) |
3.63 oz (103g) |
| Dimensions |
4.04" x 1.71" x 0.63" (103 x 43 x 16 mm) |
5.94" x 2.86" x 0.3" (151 x 73 x 7.7 mm) |
5.76" x 2.79" x 0.3" (146 x 71 x 7.6 mm) |
4.4" x 2.4" x 0.5" (112 x 61 x 12.7 mm) |
3.78" x 2.01" x 0.74" (96 x 51 x 18.8 mm) |
| Form Factor | Slab | Slab | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | Android | Android | Windows Mobile Standard | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 29, 30, 38, 39, 40, 41 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 29, 30, 38, 41, 48, 66, 71, 77-A, 77-C, 78, 257, 258, 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 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | 1xRTT | LTE (Cat 9) | NR (5G) | HSDPA 3.6 | - |
| Features | |||||
| Barometer | - | - | Yes | - | - |
| Fingerprint Reader | - | Yes |
Yes in-display (ultrasonic) |
- | - |
| Flashlight | - | Yes | Yes | - | - |
| GPS / Location | Yes | n/a | n/a | n/a | Yes |
| VR-ready | - | Yes | - | - | - |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
Yes IPX8 (SCUBA) |
- | - |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | n/a | Yes |
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | - | Yes |
| Alerts | |||||
| Extra Display | - | - | - | - | Yes |
| Ringer Profiles | - | - | - | Yes | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | - |
| MirrorLink | - | Yes | - | - | - |
| NFC | - | Yes | Yes | - | - |
| USB |
Yes Mini-USB |
Yes Micro-USB |
Yes USB Type C |
Yes | - |
| Wi-Fi | - |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 6E (802.11 a,ac,ax,b,g,n) |
Yes 802.11 b,g |
- |
| Contacts | |||||
| Picture ID | - | n/a | n/a | n/a | - |
| Ringer ID | - | n/a | n/a | n/a | - |
| Voice Dialing | - | n/a | n/a | n/a | Yes |
| Customization | |||||
| Custom Graphics | - | n/a | n/a | n/a | - |
| Custom Ringtones | - | n/a | n/a | n/a | - |
| Real-Music Ringers | - | n/a | n/a | n/a | - |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | n/a | - |
| Dual-SIM | - | Yes | - | - | - |
| WAP / Web Browser | - | n/a | n/a | n/a | - |
| Input | |||||
| Predictive Text Entry | - | n/a | n/a | n/a | Yes |
| Side Keys | - | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes | - |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- | - |
| Memory | |||||
| Memory Card Slot | - | Yes | - | Yes | - |
| Messaging | |||||
| Email Client | - | n/a | n/a | n/a | - |
| EMS / Picture Messaging | - | n/a | n/a | n/a | Yes |
| Instant Messaging | - | n/a | n/a | n/a | - |
| MMS | - | n/a | n/a | n/a | - |
| Text Messaging Templates | Yes | n/a | n/a | n/a | - |
| Music | |||||
| Headphone Jack (3.5mm) | - | Yes | - | - | - |
| Music Player | - | n/a | n/a | n/a | - |
| Stereo Speakers | - | - | Yes | - | - |
| Photo & Video | |||||
| DLNA | - | Yes | - | - | - |
| Miracast | - | Yes | - | - | - |
| Power | |||||
| Fast Charging | - | Yes | Yes | - | - |
| Wireless Charging | - | Yes | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | n/a | Yes |
| 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 | Yes | - | - |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | n/a | Yes |
| Speaker Phone | - | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Cal-Comp EZ | Samsung Galaxy S7 edge | Samsung Galaxy S23 | Samsung Jack i637 | Samsung Knack U310 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Cal-Comp EZ | Samsung Galaxy S7 edge | Samsung Galaxy S23 | Samsung Jack i637 | Samsung Knack U310 |
