Compare phones
| Global Score | |
| 84.2 | 77.7 |
| Basic Information | |
| Asus | Samsung |
| Android 14 | Android 10 |
| 2024-01-08 | 2020-06-19 |
| 6.45 x 3.02 x 0.35 inches | 6.44 x 2.96 x 0.35 inches |
| 7.94 ounces | 6.77 ounces |
| Phantom Black and Rebel Grey | Black, Blue, Red and White |
| Aluminum and Glass (Corning Gorilla Glass) | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.8 inches | 6.5 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| OLED | TFT |
| 387 pixels per inch | 270 pixels per inch |
| 2500 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.5 | 7.2 |
| Performance | |
| QualcommSnapdragon 8 Gen 3 SM8650-AB (3 nm) chipset | Samsung Exynos 850 chipset |
| processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 16 GB RAM | 3 GB RAM |
| Adreno 750 GPU | Mali-G76 GPU |
| 6.3 | 9.09 |
| Storage | |
| 512 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 17.6 | 9.84 |
| Camera | |
| 50.00 MP + 32.00 MP | 48.00 MP + 13.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.64 inches (1/1.56") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 12.54 | 10.78 |
| 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 | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 5500mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 7.2 | 6.8 |
| Other Features | |
| Bluetooth 5.3 | 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
Asus ROG Phone 8 Pro is slightly better than the Galaxy A21s, having a general score of 84.2 against 77.7. These devices come with Android OS, but Asus ROG Phone 8 Pro has a newer 14 version while Galaxy A21s has Android 10, offering a couple additional features. Asus ROG Phone 8 Pro's design has the same thickness than the Galaxy A21s, but it's heavier.
Galaxy A21s features a really superior hardware performance than Asus ROG Phone 8 Pro, although it has a smaller amount of RAM memory, they both have a Octa-Core processor. Asus ROG Phone 8 Pro has a way better screen than Galaxy A21s, because it has a much better resolution of 1080 x 2400 pixels, a better pixels number in each inch in the screen and a quite bigger display.
The Asus ROG Phone 8 Pro counts with a very superior storage capacity for apps and games than Samsung Galaxy A21s, because although it has no slot for an SD memory card, it also counts with 480 GB more internal memory. The Asus ROG Phone 8 Pro counts with just a bit better battery performance than Galaxy A21s, because it has 5500mAh of battery capacity.
The Asus ROG Phone 8 Pro captures much better videos and photos than Galaxy A21s, because it has a bigger diafragm aperture to capture better low light photos and videos, a higher 50 MP resolution back facing camera, a lot bigger sensor providing a lot higher image quality and a lot higher video resolution.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.