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| Phone | Samsung Galaxy S21 | Sony Ericsson Z520 / Z525 | AT&T Vista |
| Current U.S. Carriers | Verizon | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
6.2" diag. 20 : 9 |
? |
5.5" diag. 18 : 9 |
| Display Resolution & Type |
1080 x 2400 pixels (~424 ppi) AMOLED |
128 x 160 pixels LCD (TFT/TFD) |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
| Display Refresh | 120 Hz | ? | 60 Hz |
| Battery | 4,000 mAh | ? | 2,450 mAh |
| Processor | 2.8 GHz Qualcomm Snapdragon 888 | ? | 2 GHz MediaTek Helio A22 (MT6761V) |
| RAM | 8 GB | ? | 3 GB |
| Storage | 128 GB * | ? raw hardware | 32 GB |
| Main Camera | 12 megapixel | Yes | 8 megapixel |
| Wide Camera | 12 megapixel | - | - |
| Tele Camera | 64 megapixel | - | - |
| Video Capture | 8K | ? | 1080p HD |
| Front Camera | 10 megapixel | - | 5 megapixel |
| Weight |
6.03 oz (171g) |
3.46 oz (98g) |
5.51 oz (156g) |
| Dimensions |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
3.27" x 1.81" x 0.94" (83 x 46 x 23.9 mm) |
5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm) |
| Form Factor | Slab | Clamshell | Slab |
| Platform / OS | Android | (proprietary) | Android |
| 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 |
GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8 |
| Data Technology | NR (5G) | GPRS | LTE (Cat 4) |
| Features | |||
| Barometer | Yes | - | - |
| Fingerprint Reader |
Yes in-display (ultrasonic) |
- | - |
| Flashlight | Yes | - | Yes |
| Water-Resistant |
Yes IPX8 (SCUBA) |
- | - |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | - |
| Alerts | |||
| Extra Display | - | Yes | - |
| Ringer Profiles | - | Yes | - |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| Infrared (IR) | - | Yes | - |
| NFC | Yes | - | - |
| USB |
Yes USB Type C |
Yes |
Yes USB Type C |
| Wi-Fi |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- | Yes |
| Contacts | |||
| Picture ID | n/a | Yes | n/a |
| Ringer ID | n/a | Yes | n/a |
| Voice Dialing | n/a | Yes | n/a |
| Customization | |||
| Changeable Body Plates | - | Yes | - |
| Custom Graphics | n/a | Yes | n/a |
| Custom Ringtones | n/a | Yes | n/a |
| Real-Music Ringers | n/a | Yes | n/a |
| Data & Network | |||
| Data Tethering | n/a | Yes | n/a |
| WAP / Web Browser | n/a | Yes | n/a |
| Input | |||
| Predictive Text Entry | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | - | - | Yes |
| Messaging | |||
| Email Client | n/a | Yes | n/a |
| EMS / Picture Messaging | n/a | Yes | n/a |
| MMS | n/a | Yes | n/a |
| Text Messaging Templates | n/a | Yes | n/a |
| Music | |||
| Headphone Jack (3.5mm) | - | - | Yes |
| Stereo Speakers | Yes | - | - |
| Photo & Video | |||
| TV Output | Yes | - | - |
| Power | |||
| Fast Charging | Yes | - | - |
| Wireless Charging | Yes | - | - |
| Productivity | |||
| Alarm | n/a | Yes | n/a |
| Calculator | n/a | Yes | n/a |
| Calendar | n/a | Yes | n/a |
| To-Do List | n/a | Yes | n/a |
| Voice Memo | n/a | Yes | n/a |
| Software | |||
| Games | n/a | Yes | n/a |
| Java (J2ME) | n/a | Yes | n/a |
| Voice | |||
| HD Voice | Yes | - | Yes |
| Push-To-Talk | - | Yes * | - |
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| Samsung Galaxy S21 | Sony Ericsson Z520 / Z525 | AT&T Vista | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy S21 | Sony Ericsson Z520 / Z525 | AT&T Vista |
