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| Phone | Samsung Galaxy S21 | Samsung Galaxy S6 (GSM) | ZTE Whirl | LG Shine CU720 |
| Current U.S. Carriers | Verizon | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
6.2" diag. 20 : 9 |
5.1" diag. 16 : 9 |
3.5" diag. 5 : 3 |
2.2" diag. 4 : 3 |
| Display Resolution & Type |
1080 x 2400 pixels (~424 ppi) AMOLED |
1440 x 2560 pixels (~576 ppi) AMOLED |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
| Display Refresh | 120 Hz | 60 Hz | 60 Hz | ? |
| Battery | 4,000 mAh | 2,550 mAh | 1,300 mAh | 900 mAh |
| Processor | 2.8 GHz Qualcomm Snapdragon 888 | 2.1 GHz Samsung Exynos 7420 | 1 GHz Qualcomm Snapdragon S1 MSM7225A | ? |
| RAM | 8 GB | 3 GB | 512 MB | ? |
| Storage | 128 GB * | 32 GB * | 4 GB | ? raw hardware |
| Main Camera | 12 megapixel | 16 megapixel | 3 megapixel | 2 megapixel |
| Wide Camera | 12 megapixel | - | - | - |
| Tele Camera | 64 megapixel | - | - | - |
| Video Capture | 8K | 4K UHD | VGA (640 x 480) | QVGA (320 x 240) |
| Front Camera | 10 megapixel | 5 megapixel | - | - |
| Weight |
6.03 oz (171g) |
4.87 oz (138g) |
4.2 oz (119g) |
4.28 oz (121g) |
| Dimensions |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
5.65" x 2.78" x 0.27" (143 x 71 x 6.8 mm) |
4.57" x 2.4" x 0.5" (116 x 61 x 12.7 mm) |
3.93" x 1.99" x 0.59" (100 x 51 x 15.1 mm) |
| Form Factor | Slab | Slab | Slab | Slide |
| Platform / OS | Android | Android | Android | (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 |
WCDMA: 2, 4, 5 GSM: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | NR (5G) | LTE (Cat 6) | ? | HSDPA 3.6 |
| Features | ||||
| Barometer | Yes | - | - | - |
| Fingerprint Reader |
Yes in-display (ultrasonic) |
Yes | - | - |
| Flashlight | Yes | Yes | - | - |
| GPS / Location | n/a | n/a | n/a | - |
| VR-ready | - | Yes | - | - |
| Water-Resistant |
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, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
- |
| Multiple Languages | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | Yes | - | - |
| MirrorLink | - | Yes | - | - |
| NFC | Yes | Yes | - | - |
| USB |
Yes USB Type C |
Yes Micro-USB |
Yes Micro-USB |
Yes |
| Wi-Fi |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | ||||
| Picture ID | n/a | n/a | n/a | Yes |
| Ringer ID | n/a | n/a | n/a | Yes |
| Voice Dialing | n/a | n/a | n/a | Yes |
| Customization | ||||
| 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 | Yes |
| Data & Network | ||||
| Data Tethering | n/a | n/a | n/a | Yes |
| WAP / Web Browser | n/a | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | n/a | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes | - |
| Memory | ||||
| Memory Card Slot | - | - | Yes | Yes |
| Messaging | ||||
| Email Client | n/a | n/a | n/a | Yes |
| Instant Messaging | n/a | n/a | n/a | Yes |
| MMS | n/a | n/a | n/a | Yes |
| Text Messaging Templates | n/a | n/a | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | Yes | - |
| Music Player | n/a | n/a | n/a | Yes |
| Stereo Speakers | Yes | - | - | - |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| Miracast | - | Yes | - | - |
| TV Output | Yes | Yes | - | - |
| Power | ||||
| Fast Charging | Yes | Yes | - | - |
| Wireless Charging | Yes | 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 |
| To-Do List | n/a | n/a | n/a | Yes |
| Voice Memo | n/a | n/a | n/a | Yes |
| Software | ||||
| Games | n/a | n/a | n/a | Yes |
| Java (J2ME) | n/a | n/a | n/a | Yes |
| Voice | ||||
| HD Voice | Yes | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung Galaxy S21 | Samsung Galaxy S6 (GSM) | ZTE Whirl | LG Shine CU720 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy S21 | Samsung Galaxy S6 (GSM) | ZTE Whirl | LG Shine CU720 |
