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| Phone | Samsung Galaxy S II / SGH-i777 | Yota YotaPhone 2 | Kyocera 1155 | Samsung Galaxy S21 |
| Current U.S. Carriers | (none) | (none) | (none) | Verizon |
| Global Availability | Released | Not yet released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.3" diag. 5 : 3 |
5" diag. 16 : 9 |
? |
6.2" diag. 20 : 9 |
| Display Resolution & Type |
480 x 800 pixels (~217 ppi) AMOLED |
1080 x 1920 pixels (~441 ppi) AMOLED |
? |
1080 x 2400 pixels (~424 ppi) AMOLED |
| Display Refresh | 60 Hz | 60 Hz | ? | 120 Hz |
| Battery | 1,650 mAh | 2,500 mAh | 975 mAh | 4,000 mAh |
| Processor | 1.2 GHz Samsung Exynos dual-core | 2.2 GHz Qualcomm Snapdragon 801 | ? | 2.8 GHz Qualcomm Snapdragon 888 |
| RAM | ? | 2 GB | ? | 8 GB |
| Storage | 16 GB | 32 GB | ? raw hardware | 128 GB * |
| Main Camera | 8 megapixel | 8 megapixel | - | 12 megapixel |
| Wide Camera | - | - | - | 12 megapixel |
| Tele Camera | - | - | - | 64 megapixel |
| Video Capture | 1080p HD | 1080p HD | - | 8K |
| Front Camera | 2 megapixel | 2 megapixel | - | 10 megapixel |
| Weight |
4.3 oz (122g) |
5.11 oz (145g) |
4.34 oz (123g) |
6.03 oz (171g) |
| Dimensions |
4.96" x 2.6" x 0.35" (126 x 66 x 8.9 mm) |
5.7" x 2.73" x 0.35" (145 x 69 x 8.9 mm) |
4.72" x 1.89" x 0.95" (120 x 48 x 24.1 mm) |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | Android | Android | (proprietary) | Android |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
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 |
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| Data Technology | HSPA+ 21 | LTE (Cat 4) | - | NR (5G) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Fingerprint Reader | - | - | - |
Yes in-display (ultrasonic) |
| Flashlight | - | - | - | Yes |
| GPS / Location | n/a | n/a | - | n/a |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | ||||
| Adjustable Text Size | n/a | n/a | - | n/a |
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
- | - |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| Mobile Hotspot | n/a | n/a | - | n/a |
| NFC | Yes | Yes | - | Yes |
| USB |
Yes Micro-USB |
Yes Micro-USB |
- |
Yes USB Type C |
| Wi-Fi |
Yes 4 (802.11 a,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 6 (802.11 a,ac,ax,b,g,n) |
| 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 |
| 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 |
| WAP / Web Browser | n/a | n/a | - | n/a |
| Input | ||||
| Predictive Text Entry | n/a | n/a | - | n/a |
| Side Keys | Yes | Yes | - | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | - | - | - |
| Messaging | ||||
| Email Client | n/a | n/a | - | n/a |
| Instant Messaging | n/a | n/a | - | n/a |
| MMS | n/a | n/a | - | n/a |
| Text Messaging Templates | n/a | n/a | Yes | n/a |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | - | - |
| Music Player | n/a | n/a | - | n/a |
| Stereo Speakers | - | - | - | Yes |
| Photo & Video | ||||
| DLNA | Yes | - | - | - |
| Miracast | - | Yes | - | - |
| TV Output | Yes | Yes | - | Yes |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Wireless Charging | - | Yes | - | Yes |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | n/a |
| Calculator | n/a | n/a | Yes | n/a |
| Calendar | n/a | n/a | - | n/a |
| Voice Memo | n/a | n/a | - | n/a |
| Software | ||||
| Games | n/a | n/a | Yes | n/a |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Headset Jack (2.5 mm) | n/a | n/a | Yes | n/a |
| Speaker Phone | Yes | Yes | - | Yes |
| Samsung Galaxy S II / SGH-i777 | Yota YotaPhone 2 | Kyocera 1155 | Samsung Galaxy S21 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy S II / SGH-i777 | Yota YotaPhone 2 | Kyocera 1155 | Samsung Galaxy S21 |
