Compare Phones
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| Phone | Samsung Galaxy S21 | ZTE Obsidian | Google Pixel 3a XL |
| Current U.S. Carriers | Verizon | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
6.2" diag. 20 : 9 |
4.5" diag. 16 : 9 |
6" diag. 18 : 9 |
| Display Resolution & Type |
1080 x 2400 pixels (~424 ppi) AMOLED |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
1080 x 2160 pixels (~402 ppi) AMOLED |
| Display Refresh | 120 Hz | 60 Hz | 60 Hz |
| Battery | 4,000 mAh | 1,800 mAh | 3,700 mAh |
| Processor | 2.8 GHz Qualcomm Snapdragon 888 | 1 GHz MediaTek / MT6735M | 2 GHz Qualcomm Snapdragon 670 |
| RAM | 8 GB | 1 GB | 4 GB |
| Storage | 128 GB * | 8 GB | 64 GB |
| Main Camera | 12 megapixel | 5 megapixel | 12 megapixel |
| Wide Camera | 12 megapixel | - | - |
| Tele Camera | 64 megapixel | - | - |
| Video Capture | 8K | 720p HD | 4K UHD |
| Front Camera | 10 megapixel | 2 megapixel | 8 megapixel |
| Weight |
6.03 oz (171g) |
4.66 oz (132g) |
5.89 oz (167g) |
| Dimensions |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
5.41" x 2.7" x 0.39" (137 x 69 x 10 mm) |
6.3" x 3" x 0.3" (160 x 76 x 7.6 mm) |
| Platform / OS | Android | Android | 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: 2, 4, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 38, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | NR (5G) | LTE (Cat 4) | LTE (Cat 11) |
| Features | |||
| Barometer | Yes | - | Yes |
| Fingerprint Reader |
Yes in-display (ultrasonic) |
- |
Yes stand-alone |
| Flashlight | Yes | Yes | Yes |
| Water-Resistant |
Yes IPX8 (SCUBA) |
- | - |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| NFC | Yes | - | Yes |
| USB |
Yes USB Type C |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
| Input | |||
| Side Keys | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | - | Yes | - |
| Music | |||
| Headphone Jack (3.5mm) | - | Yes | Yes |
| Stereo Speakers | Yes | - | Yes |
| Photo & Video | |||
| TV Output | Yes | - | - |
| Power | |||
| Fast Charging | Yes | - | Yes |
| Wireless Charging | Yes | - | - |
| Voice | |||
| Call Screening | - | - | Yes |
| HD Voice | Yes | - | Yes |
| Speaker Phone | Yes | Yes | Yes |
| Samsung Galaxy S21 | ZTE Obsidian | Google Pixel 3a XL | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy S21 | ZTE Obsidian | Google Pixel 3a XL |
