Compare phones
| Global Score | |
| 86.3 | 77.7 |
| Basic Information | |
| Asus | Samsung |
| -- | Android 10 |
| 2020-07-23 | 2020-06-19 |
| 6.73 x 3.07 x 0.39 inches | 6.44 x 2.96 x 0.35 inches |
| 8.47 ounces | 6.77 ounces |
| Black glare | Black, Blue, Red and White |
| Aluminum and Glass (Corning Gorilla Glass 3) | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.6 inches | 6.5 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| AMOLED | TFT |
| 390 pixels per inch | 270 pixels per inch |
| 1000 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.9 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 865+ SM8250 chipset | Samsung Exynos 850 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 3090 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 12 GB RAM | 3 GB RAM |
| Yes GPU | Mali-G76 GPU |
| 9.81 | 9.09 |
| 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 + 24.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.59 inches (1/1.7") sensor | 0.5 inches (1/2") 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 | -- |
| 12.87 | 10.78 |
| 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, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 6000mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 6.8 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
Comparison review
The Asus ROG Phone 3 is better than Samsung Galaxy A21s, with an 86.3 score against 77.7. Even being the best in this review, Asus ROG Phone 3 is an a lot heavier and somewhat thicker cellphone than the Samsung Galaxy A21s. Asus ROG Phone 3 counts with a little bit better performance than Galaxy A21s, and although they both have a Octa-Core processing unit, the Asus ROG Phone 3 also has a higher amount of RAM.
Asus ROG Phone 3 has a way better display than Samsung Galaxy A21s, because it has a bit larger display, a way better resolution of 1080 x 2340px and a higher number of pixels per screen inch. Asus ROG Phone 3 has a little bit more memory capacity to install applications and games or saving photos and videos than Galaxy A21s, because although it has no external memory slot, it also counts with 128 GB internal storage capacity.
The Asus ROG Phone 3 takes much better photographs and videos than Galaxy A21s, because it has a camera in the back with much more MP, a larger diafragm aperture for better low light captures and videos, a larger back camera sensor and a much better video resolution. The Asus ROG Phone 3 features improved battery lifetime than Galaxy A21s, because it has 6000mAh of battery capacity.
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