Compare phones
| Global Score | |
| 91.8 | 83 |
| Basic Information | |
| Samsung | Asus |
| Android 11 | Android 11 |
| 2021-01-29 | 2021-05-13 |
| 5.97 x 2.80 x 0.31 inches | 5.83 x 2.70 x 0.35 inches |
| 6.03 ounces | 5.96 ounces |
| Gray, Phantom pink, Violet and White | Horizon Silver and Obsidian Black |
| Aluminum and Plastic | Aluminum and Glass (Corning Gorilla Glass 3) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 722.00 | -- |
| Display / Screen | |
| 6.2 inches | 5.9 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| Dynamic AMOLED | AMOLED |
| 424 pixels per inch | 446 pixels per inch |
| 1300 cd/m2 brightness | 1100 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.2 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 888 SM8350 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 6 GB RAM |
| Adreno 660 GPU | Adreno 660 GPU |
| 9.63 | 9.63 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 12.00 MP + 10.00 MP | 64.00 MP + 12.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.57 inches (1/1.76") sensor | 0.59 inches (1/1.7") sensor |
| 7680 x 4320 (24 fps) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 10.78 | 12.65 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.7 | 10.6 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4000mAh Nano SIM Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2, EDR |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy S21 has a score of 91.8, which is much better than Asus ZenFone 8's score of 83. Although the Galaxy S21 and the Asus ZenFone 8 were released only a couple of months apart, the Galaxy S21 construction is somewhat thinner but just a little heavier than the Asus ZenFone 8. Both of these devices work with the same Android 11 OS (operating system), so both of them should give very similar operating system features.
The Asus ZenFone 8's processing unit is very similar to the Galaxy S21 one, and although the Asus ZenFone 8 has 2 GB lesser RAM, they both have 8 processing cores. Asus ZenFone 8 and Galaxy S21 count with very similar screens, because although the Asus ZenFone 8 has less brightness and a quite smaller display, and they both have the same exact 1080 x 2400 pixels resolution, it also counts with a just a bit more pixels per inch of screen.
The Asus ZenFone 8 and Galaxy S21 have very similar memory capacity to store more apps and games, both of them have the same 128 GB internal storage. Asus ZenFone 8 takes much better videos and photos than Galaxy S21, and although they both have a same size camera aperture, the same video frame rate and the same video quality, the Asus ZenFone 8 also has a back camera with a way better resolution and a larger back-facing camera sensor which offers a higher photo and video quality.
Samsung Galaxy S21 and Asus ZenFone 8 feature quite similar batteries performance.
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