Compare phones
| Global Score | |
| 76.1 | 83 |
| Basic Information | |
| Samsung | Asus |
| Android 10 | Android 11 |
| 2020-06-29 | 2021-05-13 |
| 6.61 x 3.02 x 0.32 inches | 5.83 x 2.70 x 0.35 inches |
| 6.81 ounces | 5.96 ounces |
| Black | Horizon Silver and Obsidian Black |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass 3) |
| -- | Scratch-Resistant Glass |
| $ 194.00 | -- |
| Display / Screen | |
| 6.5 inches | 5.9 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| IPS LCD | AMOLED |
| 270 pixels per inch | 446 pixels per inch |
| -- | 1100 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 9.2 |
| Performance | |
| Mediatek Helio P35 chipset | Qualcomm Snapdragon 888 SM8350 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| PowerVR GE8320 GPU | Adreno 660 GPU |
| 9.27 | 9.63 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 9.84 | 10.1 |
| Camera | |
| 16.00 MP + 13.00 MP | 64.00 MP + 12.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 27.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.59 inches (1/1.7") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 9.35 | 12.65 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 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 |
| 6.7 | 10.6 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4000mAh Nano SIM Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2, EDR |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Asus ZenFone 8 has a general score of 83, which is slightly better than the Galaxy A21's score of 76.1. These phones work with Android OS (Operating System), but Asus ZenFone 8 has a more recent 11 version and Galaxy A21 has Android 10, giving some nice extra features and performance enhancements. Although Asus ZenFone 8 is a little thicker than Galaxy A21, it's lighter and also newer.
The Asus ZenFone 8 counts with just a little better hardware performance than Samsung Galaxy A21, and although they both have the same number of cores, the Asus ZenFone 8 also has more RAM. The Asus ZenFone 8 has an incredibly better display than Samsung Galaxy A21, because although it has a little bit smaller screen, it also counts with a way better resolution of 1080 x 2400 and a much better pixels count per inch in the display.
Asus ZenFone 8 has a bit bigger memory for applications and games than Samsung Galaxy A21, because although it has no external SD slot, it also counts with 96 GB more internal memory capacity. The Asus ZenFone 8 counts with a greater camera than Galaxy A21, and although they both have a F1.8 diafragm aperture, the Asus ZenFone 8 also has a lot better video resolution, a lot bigger back-facing camera sensor and a much higher 64 mega-pixels resolution back facing camera.
The Asus ZenFone 8 and Galaxy A21 feature very similar batteries duration.
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