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| Phone | Kyocera Hydro XTRM (GSM) | Casio Exilim C721 | Samsung Galaxy Note20 Ultra | Kyocera 2235 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
2.3" diag. 4 : 3 |
6.9" diag. 19.5 : 9 |
? |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~174 ppi) LCD (TFT/TFD) |
1440 x 3088 pixels (~494 ppi) AMOLED |
? |
| Display Refresh | 60 Hz | ? | 120 Hz | ? |
| Battery | 2,000 mAh | 920 mAh | 4,500 mAh | ? |
| Processor | 1.2 GHz Qualcomm Snapdragon S4 Plus MSM8960 | ? | 3.1 GHz Qualcomm Snapdragon 865+ | ? |
| RAM | 1 GB | ? | 12 GB | ? |
| Storage | 4 GB | ? raw hardware | 128 GB * | ? raw hardware |
| Main Camera | 5 megapixel | 5 megapixel | 108 megapixel | - |
| Wide Camera | - | - | 12 megapixel | - |
| Tele Camera | - | - | 12 megapixel | - |
| Video Capture | 1080p HD | QVGA (320 x 240) | 8K | - |
| Front Camera | 1 megapixel | - | 10 megapixel | - |
| Weight |
4.9 oz (139g) |
4.48 oz (127g) |
7.34 oz (208g) |
4.34 oz (123g) |
| Dimensions |
4.88" x 2.52" x 0.42" (124 x 64 x 10.7 mm) |
4.06" x 1.97" x 0.78" (103 x 50 x 19.9 mm) |
6.49" x 3.04" x 0.32" (165 x 77 x 8.1 mm) |
4.72" x 1.89" x 0.95" (120 x 48 x 24.1 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab |
| Platform / OS | Android | (proprietary) | Android | (proprietary) |
| Network Bands |
4G LTE: 4, 17 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
5G: 2, 5, 12, 25, 41, 66, 71, 260, 261 4G LTE: 2, 4, 5, 7, 12, 13, 14, 25, 26, 29, 30, 38, 41, 46, 48, 66, 71 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | LTE (Cat 3) | EVDO rA | NR (5G) | 1xRTT |
| Features | ||||
| Barometer | - | - | Yes | - |
| Fingerprint Reader | - | - |
Yes in-display (ultrasonic) |
- |
| Flashlight | - | Yes | Yes | - |
| GPS / Location | n/a | Yes | n/a | - |
| Ruggedized | Yes | Yes | - | - |
| Water-Resistant |
Yes IPX7 (snorkeling) |
Yes |
Yes IPX8 (SCUBA) |
- |
| Accessibility | ||||
| Adjustable Text Size | n/a | Yes | n/a | - |
| Hearing Aid Compatible | Yes | Yes | Yes | - |
| Multiple Languages | n/a | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
- |
| Mobile Hotspot | n/a | - | n/a | - |
| NFC | - | - | Yes | - |
| USB | Yes | Yes |
Yes USB Type C |
- |
| UWB | - | - | Yes | - |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- |
| Contacts | ||||
| Picture ID | n/a | Yes | n/a | - |
| Ringer ID | n/a | Yes | n/a | - |
| Voice Dialing | n/a | Yes | n/a | Yes |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | - |
| Custom Ringtones | n/a | Yes | n/a | Yes |
| Real-Music Ringers | n/a | Yes | n/a | - |
| Data & Network | ||||
| Data Tethering | n/a | Yes | n/a | Yes |
| WAP / Web Browser | n/a | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | - |
| Stylus | - | - | Yes | - |
| Touch Screen | Yes | - | Yes | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | - |
| Messaging | ||||
| Email Client | n/a | - | n/a | - |
| EMS / Picture Messaging | n/a | Yes | n/a | - |
| Instant Messaging | n/a | Yes | n/a | - |
| MMS | n/a | Yes | n/a | - |
| Text Messaging Templates | n/a | Yes | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | - | - |
| Music Player | n/a | Yes | n/a | - |
| Stereo Speakers | - | - | Yes | - |
| Photo & Video | ||||
| TV Output | - | - | Yes | - |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Wireless Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | Yes |
| Calculator | n/a | Yes | n/a | Yes |
| Calendar | n/a | Yes | n/a | - |
| To-Do List | n/a | Yes | n/a | - |
| Voice Memo | n/a | Yes | n/a | Yes |
| Software | ||||
| BREW | n/a | Yes | n/a | - |
| Games | n/a | Yes | n/a | Yes |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Headset Jack (2.5 mm) | n/a | - | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes | - |
| Kyocera Hydro XTRM (GSM) | Casio Exilim C721 | Samsung Galaxy Note20 Ultra | Kyocera 2235 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Kyocera Hydro XTRM (GSM) | Casio Exilim C721 | Samsung Galaxy Note20 Ultra | Kyocera 2235 |
