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| Phone | Samsung Galaxy S21 | Asus ROG Phone | Google Pixel 7a |
| Current U.S. Carriers | Verizon | (none) |
AT&T US Cellular Verizon |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
6.2" diag. 20 : 9 |
6" diag. 18 : 9 |
6.1" diag. 20 : 9 |
| Display Resolution & Type |
1080 x 2400 pixels (~424 ppi) AMOLED |
1080 x 2160 pixels (~402 ppi) AMOLED |
1080 x 2400 pixels (~431 ppi) AMOLED |
| Display Refresh | 120 Hz | 60 Hz | 90 Hz |
| Battery | 4,000 mAh | 4,000 mAh | 4,385 mAh |
| Processor | 2.8 GHz Qualcomm Snapdragon 888 | 3 GHz Qualcomm Snapdragon 845 | Google Tensor G2 |
| RAM | 8 GB | 8 GB | 8 GB |
| Storage | 128 GB * | 128 GB * | 128 GB |
| Main Camera | 12 megapixel | 12 megapixel | 64 megapixel |
| Wide Camera | 12 megapixel | 8 megapixel | 13 megapixel |
| Tele Camera | 64 megapixel | - | - |
| Video Capture | 8K | 4K UHD | 4K UHD |
| Front Camera | 10 megapixel | 8 megapixel | 13 megapixel |
| Weight |
6.03 oz (171g) |
7.05 oz (200g) |
6.8 oz (193g) |
| Dimensions |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
6.25" x 3" x 0.34" (159 x 76 x 8.6 mm) |
6" x 2.8" x 0.4" (152 x 71 x 10.2 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: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 28, 29, 32, 34, 38, 39, 40, 41, 46 WCDMA: 1, 2, 3, 4, 5, 8, 19 GSM: 850, 900, 1800, 1900 |
5G: 1, 2, 3, 5, 7, 8, 12, 14, 20, 25, 28, 30, 38, 41, 48, 66, 71, 77-A, 77-C, 78, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 66, 71 WCDMA: 1, 2, 4, 5, 6, 8, 19 GSM: 850, 900, 1800, 1900 |
| Data Technology | NR (5G) | LTE (Cat 16) | NR (5G) |
| Features | |||
| Barometer | Yes | - | Yes |
| Fingerprint Reader |
Yes in-display (ultrasonic) |
Yes |
Yes in-display (optical) |
| Flashlight | Yes | Yes | Yes |
| Water-Resistant |
Yes IPX8 (SCUBA) |
Yes |
Yes IPX7 (snorkeling) |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
| TTY/TDD (Digital) | Yes | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| NFC | Yes | Yes | Yes |
| USB |
Yes USB Type C |
Yes USB Type C |
Yes USB Type C |
| Wi-Fi |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 6E (802.11 a,ac,ax,b,g,n) |
| Data & Network | |||
| Dual-SIM | - | Yes | Yes |
| Input | |||
| Side Keys | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Music | |||
| FM Radio | - | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | - |
| Stereo Speakers | Yes | Yes | Yes |
| Photo & Video | |||
| TV Output | Yes | Yes | - |
| Power | |||
| Fast Charging | Yes | Yes | Yes |
| Wireless Charging | Yes | - | Yes |
| Voice | |||
| Call Screening | - | - | Yes |
| HD Voice | Yes | - | Yes |
| Speaker Phone | Yes | Yes | Yes |
| Samsung Galaxy S21 | Asus ROG Phone | Google Pixel 7a | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy S21 | Asus ROG Phone | Google Pixel 7a |
