| Global Score | |
| 77.7 | 94 |
| Basic Information | |
| Samsung | Asus |
| Android 10 | -- |
| 2020-06-19 | 2021-06-07 |
| 6.44 x 2.96 x 0.35 inches | 6.80 x 3.04 x 0.41 inches |
| 6.77 ounces | 8.40 ounces |
| Black, Blue, Red and White | Matte White |
| -- | Aluminum and Glass (Corning Gorilla Glass 3) |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.5 inches | 6.8 inches |
| 1600 x 720 pixels | 2448 x 1080 pixels |
| TFT | AMOLED |
| 270 pixels per inch | 393 pixels per inch |
| -- | 1200 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.2 | 9 |
| Performance | |
| Samsung Exynos 850 chipset | Snapdragon 888 chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 18 GB RAM |
| Mali-G76 GPU | Adreno 660 GPU |
| 9.09 | 9.81 |
| Storage | |
| 32 GB internal memory | 512 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 9.84 | 17.6 |
| Camera | |
| 48.00 MP + 13.00 MP | 64.00 MP + 24.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 11.00mm focal length |
| 0.5 inches (1/2") sensor | 0.59 inches (1/1.7") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (30 fps) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 10.78 | 12.87 |
| 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), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 5000mAh Li - Polymer Battery | 6000mAh Nano SIM Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Asus ROG Phone 5 Ultimate is way better than Galaxy A21s, with a 94 score against 77.7. The Asus ROG Phone 5 Ultimate construction is newer than the Galaxy A21s's, although it's somewhat thicker and heavier. The Asus ROG Phone 5 Ultimate counts with just a little better performance than Galaxy A21s, and although they both have a Octa-Core processor, the Asus ROG Phone 5 Ultimate also has a greater amount of RAM.
Asus ROG Phone 5 Ultimate has an incredibly better screen than Galaxy A21s, because it has a higher display pixels density, a little bit bigger screen and a way higher resolution of 1080 x 2448 pixels. The Asus ROG Phone 5 Ultimate has a much greater storage capacity to install applications and games or saving photos and videos than Samsung Galaxy A21s, because although it has no SD card slot, it also counts with more internal memory capacity.
The Asus ROG Phone 5 Ultimate has superior battery duration than Galaxy A21s, because it has 6000mAh of battery capacity against 5000mAh. Asus ROG Phone 5 Ultimate takes much better pictures and videos than Galaxy A21s, because it has a back-facing camera with a much higher 64 megapixels resolution, a bigger aperture to take better low light photos and video, a much higher 7680x4320 video definition and a bigger sensor which gives a higher photo and video quality.
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