Compare phones
| Global Score | |
| 77.7 | 79.5 |
| Basic Information | |
| Samsung | Asus |
| Android 10 | Android 14 |
| 2020-06-19 | 2024-01-08 |
| 6.44 x 2.96 x 0.35 inches | 6.45 x 3.02 x 0.35 inches |
| 6.77 ounces | 7.94 ounces |
| Black, Blue, Red and White | Phantom Black and Rebel Grey |
| -- | Aluminum and Glass (Corning Gorilla Glass) |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 6.8 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| TFT | OLED |
| 270 pixels per inch | 387 pixels per inch |
| -- | 2500 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 9.5 |
| Performance | |
| Samsung Exynos 850 chipset | QualcommSnapdragon 8 Gen 3 SM8650-AB (3 nm) chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | processor |
| 3 GB RAM | 12 GB RAM |
| Mali-G76 GPU | Adreno 750 GPU |
| 9.09 | 6.21 |
| Storage | |
| 32 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 9.84 | 13.3 |
| Camera | |
| 48.00 MP + 13.00 MP | 50.00 MP + 32.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 26.00mm focal length | 24.00mm focal length |
| 0.5 inches (1/2") sensor | 0.64 inches (1/1.56") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 10.78 | 12.54 |
| 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, Dual SIM | Nano SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 5500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 7.2 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.3 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Asus ROG Phone 8 has an overall score of 79.5, which is just a bit better than Galaxy A21s's general score of 77.7. These phones have Android OS, but Asus ROG Phone 8 has a more recent 14 version while Galaxy A21s has Android 10. The Asus ROG Phone 8 is a somewhat heavier phone than Galaxy A21s, but both of them are 0.35inches thick.
Asus ROG Phone 8 features an incredibly better looking screen than Galaxy A21s, because it has a much better 1080 x 2400 resolution, a better display density and a bit larger screen. Asus ROG Phone 8 has a much bigger storage capacity to install games and applications than Samsung Galaxy A21s, because although it has no external memory card slot, it also counts with 256 GB internal storage.
The Galaxy A21s features a very superior hardware performance than Asus ROG Phone 8, although it has less RAM, they both have a Octa-Core CPU. Asus ROG Phone 8 has just a bit longer battery lifetime than Galaxy A21s, because it has a 5500mAh battery size. Asus ROG Phone 8 counts with a much better camera than Galaxy A21s, because it has a much better video resolution, a camera in the back with a better resolution, a bigger camera aperture to capture better photography in poorly lited environments and a much bigger back-facing camera sensor taking more light and vivid colors.
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