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| Phone | Samsung Galaxy S21+ | Sony Xperia Z3 Compact | Ericsson T39 | CAT S48c |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
6.7" diag. 20 : 9 |
4.6" diag. 16 : 9 |
? |
5" diag. 16 : 9 |
| Display Resolution & Type |
1080 x 2400 pixels (~393 ppi) AMOLED |
720 x 1280 pixels (~319 ppi) LCD (TFT/TFD) |
? LCD (Grayscale) |
1080 x 1920 pixels (~441 ppi) LCD (TFT/TFD) |
| Display Refresh | 120 Hz | 60 Hz | ? | 60 Hz |
| Battery | 4,800 mAh | 2,600 mAh | ? | 4,000 mAh |
| Processor | 2.8 GHz Qualcomm Snapdragon 888 | 2.5 GHz Qualcomm Snapdragon 801 (MSM8974AC) | ? | 2.2 GHz Qualcomm Snapdragon 630 |
| RAM | 8 GB | 2 GB | ? | 4 GB |
| Storage | 128 GB * | 16 GB | ? raw hardware | 32 GB |
| Main Camera | 12 megapixel | 20 megapixel | - | 13 megapixel |
| Wide Camera | 12 megapixel | - | - | - |
| Tele Camera | 64 megapixel | - | - | - |
| Video Capture | 8K | 4K UHD | - | 4K UHD |
| Front Camera | 10 megapixel | 2 megapixel | - | 5 megapixel |
| Weight |
7.13 oz (202g) |
4.55 oz (129g) |
3.03 oz (86g) |
9.1 oz (258g) |
| Dimensions |
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) |
3.78" x 1.97" x 0.71" (96 x 50 x 18 mm) |
5.9" x 3" x 0.5" (150 x 76 x 12.7 mm) |
| Form Factor | Slab | Slab | Flip | Slab |
| Platform / OS | Android | 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 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 13, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 13, 14, 25, 26, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | NR (5G) | LTE (Cat 4) | GPRS | LTE (Cat 13) |
| Features | ||||
| Barometer | Yes | - | - | - |
| Fingerprint Reader |
Yes in-display (ultrasonic) |
- | - | - |
| Flashlight | Yes | - | - | Yes |
| GPS / Location | n/a | n/a | - | n/a |
| Ruggedized | - | Yes | - | Yes |
| Water-Resistant |
Yes IPX8 (SCUBA) |
Yes IPX8 (SCUBA) |
- |
Yes IPX8 (SCUBA) |
| Accessibility | ||||
| Adjustable Text Size | n/a | n/a | - | n/a |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | - | Yes | - |
| Mobile Hotspot | n/a | n/a | - | n/a |
| NFC | Yes | Yes | - | Yes |
| USB |
Yes USB Type C |
Yes Micro-USB |
- |
Yes USB Type C |
| UWB | Yes | - | - | - |
| Wi-Fi |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 5 (802.11 a,ac,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 | Yes | n/a |
| Customization | ||||
| Custom Graphics | n/a | n/a | Yes | n/a |
| Custom Ringtones | n/a | n/a | Yes | n/a |
| Real-Music Ringers | n/a | n/a | - | n/a |
| Data & Network | ||||
| Data Tethering | n/a | n/a | Yes | n/a |
| WAP / Web Browser | n/a | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | Yes | - | 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 | - | Yes |
| Headphone Jack (3.5mm) | - | Yes | - | Yes |
| Music Player | n/a | n/a | - | n/a |
| Stereo Speakers | Yes | Yes | - | - |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| Miracast | - | Yes | - | - |
| TV Output | Yes | Yes | - | - |
| Power | ||||
| Fast Charging | Yes | Yes | - | Yes |
| Wireless Charging | Yes | - | - | - |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | n/a |
| Calculator | n/a | n/a | Yes | n/a |
| Calendar | n/a | n/a | Yes | n/a |
| Voice Memo | n/a | n/a | Yes | n/a |
| Software | ||||
| Games | n/a | n/a | Yes | n/a |
| Voice | ||||
| Call Screening | - | Yes | - | - |
| HD Voice | Yes | - | - | Yes |
| Push-To-Talk | - | - | - | Yes |
| Speaker Phone | Yes | Yes | - | Yes |
| Samsung Galaxy S21+ | Sony Xperia Z3 Compact | Ericsson T39 | CAT S48c | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy S21+ | Sony Xperia Z3 Compact | Ericsson T39 | CAT S48c |
