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| Phone | Kyocera Coast / Kona | Amazon Fire | Samsung Galaxy S21+ | Sony Xperia Z3 Compact |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
4.7" diag. 16 : 9 |
6.7" diag. 20 : 9 |
4.6" diag. 16 : 9 |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~312 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~393 ppi) AMOLED |
720 x 1280 pixels (~319 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 120 Hz | 60 Hz |
| Battery | 870 mAh | 2,400 mAh | 4,800 mAh | 2,600 mAh |
| Processor | 480 MHz Qualcomm QSC6155 | 2.2 GHz Qualcomm Snapdragon 800 | 2.8 GHz Qualcomm Snapdragon 888 | 2.5 GHz Qualcomm Snapdragon 801 (MSM8974AC) |
| RAM | 128 MB | 2 GB | 8 GB | 2 GB |
| Storage | 256 MB | 32 GB * | 128 GB * | 16 GB |
| Main Camera | 2 megapixel | 13 megapixel | 12 megapixel | 20 megapixel |
| Wide Camera | - | - | 12 megapixel | - |
| Tele Camera | - | - | 64 megapixel | - |
| Video Capture | - | 1080p HD | 8K | 4K UHD |
| Front Camera | - | 2 megapixel | 10 megapixel | 2 megapixel |
| Weight |
3.7 oz (105g) |
5.64 oz (160g) |
7.13 oz (202g) |
4.55 oz (129g) |
| Dimensions |
3.94" x 2.05" x 0.68" (100 x 52 x 17.3 mm) |
5.5" x 2.6" x 0.35" (140 x 66 x 8.9 mm) |
6.36" x 2.98" x 0.31" (161 x 76 x 7.8 mm) |
5" x 2.56" x 0.34" (127 x 65 x 8.6 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | Android |
| Network Bands |
CDMA: 800, 850, 1700, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 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, 13, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | LTE (Cat 4) | NR (5G) | LTE (Cat 4) |
| Features | ||||
| Barometer | - | - | Yes | - |
| Fingerprint Reader | - | - |
Yes in-display (ultrasonic) |
- |
| Flashlight | - | Yes | Yes | - |
| GPS / Location | Yes | Yes | n/a | n/a |
| Ruggedized | - | - | - | Yes |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
Yes IPX8 (SCUBA) |
| Accessibility | ||||
| Adjustable Text Size | Yes | - | n/a | n/a |
| Hearing Aid Compatible | Yes | Yes | Yes | Yes |
| Multiple Languages | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | Yes |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Mobile Hotspot | - | Yes | n/a | n/a |
| NFC | - | Yes | Yes | Yes |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes USB Type C |
Yes Micro-USB |
| UWB | - | - | Yes | - |
| Wi-Fi | - |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | n/a |
| Ringer ID | Yes | Yes | n/a | n/a |
| Voice Dialing | Yes | Yes | n/a | n/a |
| Customization | ||||
| Custom Graphics | Yes | - | n/a | n/a |
| Custom Ringtones | Yes | Yes | n/a | n/a |
| Real-Music Ringers | Yes | - | n/a | n/a |
| Data & Network | ||||
| Data Tethering | - | Yes | n/a | n/a |
| WAP / Web Browser | Yes | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | Yes | Yes | Yes |
| Memory | ||||
| Memory Card Slot | - | - | - | Yes |
| Messaging | ||||
| Email Client | - | Yes | n/a | n/a |
| Instant Messaging | - | - | n/a | n/a |
| MMS | Yes | Yes | n/a | n/a |
| Text Messaging Templates | Yes | Yes | n/a | n/a |
| Music | ||||
| FM Radio | - | - | - | Yes |
| Headphone Jack (3.5mm) | Yes | Yes | - | Yes |
| Music Player | - | Yes | n/a | n/a |
| Stereo Speakers | - | Yes | Yes | Yes |
| Photo & Video | ||||
| DLNA | - | - | - | Yes |
| Miracast | - | Yes | - | Yes |
| TV Output | - | Yes | Yes | Yes |
| Power | ||||
| Fast Charging | - | - | Yes | Yes |
| Wireless Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | n/a |
| Calculator | Yes | Yes | n/a | n/a |
| Calendar | Yes | Yes | n/a | n/a |
| Voice Memo | Yes | Yes | n/a | n/a |
| Software | ||||
| Games | Yes | Yes | n/a | n/a |
| Java (J2ME) | Yes | - | n/a | n/a |
| Voice | ||||
| Call Screening | - | - | - | Yes |
| HD Voice | - | Yes | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Kyocera Coast / Kona | Amazon Fire | Samsung Galaxy S21+ | Sony Xperia Z3 Compact | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Kyocera Coast / Kona | Amazon Fire | Samsung Galaxy S21+ | Sony Xperia Z3 Compact |
