Compare phones
| Global Score | |
| 83.9 | 76.1 |
| Basic Information | |
| Asus | Samsung |
| Android 11, 10 | Android 10 |
| 2020-09-01 | 2020-06-29 |
| 6.50 x 3.04 x 0.38 inches | 6.61 x 3.02 x 0.32 inches |
| 8.11 ounces | 6.81 ounces |
| Aurora black and Pastel white | Black |
| Aluminum and Glass (Corning Gorilla Glass 3) | Plastic and Plastic |
| Scratch-Resistant Glass | -- |
| -- | $ 194.00 |
| Display / Screen | |
| 6.7 inches | 6.5 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| AMOLED | IPS LCD |
| 393 pixels per inch | 270 pixels per inch |
| 700 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.6 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 865 SM8250 chipset | Mediatek Helio P35 chipset |
| Kryo 585, 64-bit, 7 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 650 GPU | PowerVR GE8320 GPU |
| 9.63 | 9.27 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| microSDXC (up to 1,95 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 17.06 | 9.84 |
| Camera | |
| 64.00 MP | 16.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.59 inches (1/1.7") sensor | 0.33 inches (1/3.06") sensor |
| 7680 x 4320 (30 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | -- |
| 12.1 | 9.35 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 5000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.1, EDR | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Asus ZenFone 7 is much better than the Galaxy A21, getting a global score of 83.9 against 76.1. Despite being the best cellphone we are comparing here, we must highlight that it is also somewhat thicker and heavier. These devices come with Android OS, but the Asus ZenFone 7 has newer 11 version while Galaxy A21 has Android 10 version, so it gives a couple additional features.
The Asus ZenFone 7 features a little bit better hardware performance than Samsung Galaxy A21, and although they both have a Octa-Core processor, the Asus ZenFone 7 also has more RAM. Asus ZenFone 7 features a brighter display than Galaxy A21, because it has a lot higher resolution of 1080 x 2400px, a little bit larger display and a higher display density.
Asus ZenFone 7 features a superior storage for games and applications than Samsung Galaxy A21, because it has a slot for external memory cards that supports a maximum of 1,95 TB and 128 GB internal memory. The Asus ZenFone 7 counts with a lot better camera than Samsung Galaxy A21, and although they both have the same camera aperture, the Asus ZenFone 7 also has a much higher video resolution, a way larger back-facing camera sensor providing a way higher image quality and a lot more mega pixels back camera.
Asus ZenFone 7 has improved battery life than Galaxy A21, because it has a 5000mAh battery capacity.
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