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| Phone | Samsung Galaxy S21 | Sony Xperia ion | Samsung Focus Flash | Kyocera K404 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
6.2" diag. 20 : 9 |
4.6" diag. 16 : 9 |
3.7" diag. 5 : 3 |
? |
| Display Resolution & Type |
1080 x 2400 pixels (~424 ppi) AMOLED |
720 x 1280 pixels (~323 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~252 ppi) AMOLED |
104 x 90 pixels LCD (STN) |
| Display Refresh | 120 Hz | 60 Hz | ? | ? |
| Battery | 4,000 mAh | 1,900 mAh | 1,500 mAh | 900 mAh |
| Processor | 2.8 GHz Qualcomm Snapdragon 888 | 1.5 GHz Qualcomm Snapdragon S3 MSM8260 | 1.4 GHz Qualcomm Snapdragon | ? |
| RAM | 8 GB | 1 GB | ? | ? |
| Storage | 128 GB * | 16 GB | 8 GB | ? raw hardware |
| Main Camera | 12 megapixel | 12 megapixel | 5 megapixel | - |
| Wide Camera | 12 megapixel | - | - | - |
| Tele Camera | 64 megapixel | - | - | - |
| Video Capture | 8K | 1080p HD | 720p HD | - |
| Front Camera | 10 megapixel | 1 megapixel | Yes | - |
| Weight |
6.03 oz (171g) |
5.1 oz (145g) |
4.1 oz (116g) |
3.52 oz (100g) |
| Dimensions |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
5.2" x 2.7" x 0.4" (132 x 69 x 10.2 mm) |
4.57" x 2.31" x 0.43" (116 x 59 x 10.9 mm) |
4.45" x 1.89" x 0.91" (113 x 48 x 23.1 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | Android | Android | Windows | (proprietary) |
| Network Bands |
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: 4, 17 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | NR (5G) | LTE (Cat 3) | ? | 1xRTT |
| Features | ||||
| Barometer | Yes | - | - | - |
| Fingerprint Reader |
Yes in-display (ultrasonic) |
- | - | - |
| Flashlight | Yes | - | - | Yes |
| GPS / Location | n/a | n/a | n/a | Yes |
| Water-Resistant |
Yes IPX8 (SCUBA) |
- | - | - |
| Accessibility | ||||
| Hearing Aid Compatible | Yes | Yes | - | - |
| Multiple Languages | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
- |
| Mobile Hotspot | n/a | n/a | n/a | - |
| NFC | Yes | - | - | - |
| USB |
Yes USB Type C |
Yes | Yes | - |
| Wi-Fi |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes | Yes | - |
| 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 | ||||
| Changeable Body Plates | - | - | - | Yes |
| Custom Graphics | n/a | n/a | n/a | Yes |
| Custom Ringtones | n/a | n/a | n/a | Yes |
| Real-Music Ringers | n/a | n/a | n/a | - |
| Data & Network | ||||
| Data Tethering | n/a | n/a | n/a | - |
| 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 | - |
| Touch Screen | Yes | Yes | Yes | - |
| Memory | ||||
| Memory Card Slot | - | 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 | - |
| Music | ||||
| FM Radio | - | Yes | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - |
| Music Player | n/a | n/a | n/a | - |
| Stereo Speakers | Yes | - | - | - |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| TV Output | Yes | Yes | - | - |
| Power | ||||
| Fast Charging | Yes | - | - | - |
| Wireless Charging | Yes | - | - | - |
| Productivity | ||||
| Alarm | n/a | n/a | n/a | Yes |
| Calculator | n/a | n/a | n/a | Yes |
| Calendar | n/a | n/a | n/a | Yes |
| Voice Memo | n/a | n/a | n/a | - |
| Software | ||||
| Games | n/a | n/a | n/a | Yes * |
| Voice | ||||
| HD Voice | Yes | - | - | - |
| Headset Jack (2.5 mm) | n/a | n/a | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes | - |
| * Some versions only | ||||
| Samsung Galaxy S21 | Sony Xperia ion | Samsung Focus Flash | Kyocera K404 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy S21 | Sony Xperia ion | Samsung Focus Flash | Kyocera K404 |
