Compare phones
| Global Score | |
| 79.5 | 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 |
| 12 GB RAM | 3 GB RAM |
| Adreno 750 GPU | Mali-G76 GPU |
| 6.21 | 9.09 |
| Storage | |
| 256 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 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 has a score of 79.5, which is a little bit better than the Galaxy A21s's 77.7 score. Both devices in this comparison work with Android OS (operating system), but the Asus ROG Phone 8 has the newer 14 version and Galaxy A21s has Android 10. The Asus ROG Phone 8 is a somewhat heavier cellphone than Galaxy A21s, but both have the same thickness.
The Samsung Galaxy A21s features a very superior processing power than Asus ROG Phone 8, although it has a lower amount of RAM memory, they both have the same number of cores. Asus ROG Phone 8 has a much sharper screen than Samsung Galaxy A21s, because it has a greater number of pixels per screen inch, a way higher resolution of 1080 x 2400 and a little bit larger display.
The Asus ROG Phone 8 features much more memory for applications, games, photos and videos than Galaxy A21s, because although it has no SD extension slot, it also counts with 256 GB internal memory. Asus ROG Phone 8 counts with a superior camera than Galaxy A21s, because it has a way higher 7680x4320 video resolution, a larger camera aperture, a lot bigger back-facing camera sensor and a camera in the back with a higher 50 MP resolution.
The Asus ROG Phone 8 features just a bit better battery performance than Samsung Galaxy A21s, because it has a 5500mAh battery size.
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