Compare phones
| Global Score | |
| 83 | 91.8 |
| Basic Information | |
| Asus | Samsung |
| Android 11 | Android 11 |
| 2021-05-13 | 2021-01-29 |
| 5.83 x 2.70 x 0.35 inches | 5.97 x 2.80 x 0.31 inches |
| 5.96 ounces | 6.03 ounces |
| Horizon Silver and Obsidian Black | Gray, Phantom pink, Violet and White |
| Aluminum and Glass (Corning Gorilla Glass 3) | Aluminum and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 722.00 |
| Display / Screen | |
| 5.9 inches | 6.2 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Dynamic AMOLED |
| 446 pixels per inch | 424 pixels per inch |
| 1100 cd/m2 brightness | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.2 | 9.2 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 chipset | Qualcomm Snapdragon 888 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 8 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 | |
| 64.00 MP + 12.00 MP | 12.00 MP + 10.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 27.00mm focal length | 26.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.57 inches (1/1.76") sensor |
| 7680 x 4320 (24 fps) video resolution | 7680 x 4320 (24 fps) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 12.65 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.6 | 10.7 |
| Battery Life | |
| 4000mAh Nano SIM Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 5.2, EDR | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy S21 is much better than Asus ZenFone 8, having a global score of 91.8 against 83. Galaxy S21's construction is thinner but just a bit heavier than Asus ZenFone 8, and they were released only a couple of months apart. Both of these devices have the same Android 11 operating system. The Galaxy S21 and Asus ZenFone 8 both have quite similar processors, and although the Galaxy S21 has more RAM memory, they both have 8 cores.
Galaxy S21 features a screen that's just as good as the display in Asus ZenFone 8, because although the Galaxy S21 has a just a little less pixels per screen inch, and they both have exactly the same resolution of 1080 x 2400 pixels, it also counts with a little larger screen and a little brighter screen.
Asus ZenFone 8 features a superior camera than Galaxy S21, and although they both have the same 24 frames per second video frame rate, the same 7680x4320 video definition and a same size aperture, the Asus ZenFone 8 also has a larger camera sensor and a camera in the back with a much better 64 megapixels resolution.
Galaxy S21 features as much storage capacity for games and applications as the Asus ZenFone 8, both of them have the same internal memory capacity. Galaxy S21 features a battery lifetime that's very similar to the Asus ZenFone 8 one.
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