Compare phones
| Global Score | |
| 83 | 76.1 |
| Basic Information | |
| Asus | Samsung |
| Android 11 | Android 10 |
| 2021-05-13 | 2020-06-29 |
| 5.83 x 2.70 x 0.35 inches | 6.61 x 3.02 x 0.32 inches |
| 5.96 ounces | 6.81 ounces |
| Horizon Silver and Obsidian Black | Black |
| Aluminum and Glass (Corning Gorilla Glass 3) | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| -- | $ 194.00 |
| Display / Screen | |
| 5.9 inches | 6.5 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| AMOLED | IPS LCD |
| 446 pixels per inch | 270 pixels per inch |
| 1100 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.2 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 chipset | Mediatek Helio P35 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Adreno 660 GPU | PowerVR GE8320 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 9.84 |
| Camera | |
| 64.00 MP + 12.00 MP | 16.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 27.00mm focal length | -- |
| 0.59 inches (1/1.7") sensor | 0.33 inches (1/3.06") sensor |
| 7680 x 4320 (24 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | -- |
| 12.65 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4000mAh Nano SIM Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Asus ZenFone 8 is slightly better than Samsung Galaxy A21, with a global score of 83 against 76.1. Both of these phones work with Android OS (Operating System), but the Asus ZenFone 8 has a newer 11 version while Samsung Galaxy A21 has Android 10. Although Asus ZenFone 8 is a little thicker than Samsung Galaxy A21, it's somewhat lighter and also newer.
Asus ZenFone 8 features a way better looking screen than Galaxy A21, because although it has a bit smaller display, it also counts with a much better screen density and a way higher resolution of 1080 x 2400px. The Asus ZenFone 8 has a little bit better processing power than Galaxy A21, and although they both have a Octa-Core CPU, the Asus ZenFone 8 also has a larger amount of RAM.
Asus ZenFone 8 captures way better photos and videos than Samsung Galaxy A21, and although they both have the same aperture, the Asus ZenFone 8 also has a much higher video quality, a way larger camera sensor which provides a lot higher photo and video quality and a back facing camera with lot more megapixels.
Asus ZenFone 8 features just a bit bigger storage to install applications and games or saving photos and videos than Galaxy A21, because although it has no slot for SD memory cards, it also counts with 128 GB internal storage capacity. Galaxy A21 features a battery life that is just as good as Asus ZenFone 8's battery duration.
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