Compare phones
| Global Score | |
| 76.1 | 88 |
| Basic Information | |
| Samsung | Asus |
| Android 10 | -- |
| 2020-06-29 | 2019-09-04 |
| 6.61 x 3.02 x 0.32 inches | 6.73 x 3.06 x 0.37 inches |
| 6.81 ounces | 8.47 ounces |
| Black | Black Glare |
| Plastic and Plastic | Aluminum and Glass (Corning Gorilla Glass 3) |
| -- | Scratch-Resistant Glass |
| $ 194.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.6 inches |
| 1600 x 720 pixels | 2340 x 1080 pixels |
| IPS LCD | AMOLED |
| 270 pixels per inch | 390 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.3 | 8.5 |
| Performance | |
| Mediatek Helio P35 chipset | Qualcomm Snapdragon 855 Plus SM8150-AC chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2960 MHz) processor |
| 3 GB RAM | 12 GB RAM |
| PowerVR GE8320 GPU | Adreno 640 GPU |
| 9.27 | 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 | |
| 16.00 MP + 13.00 MP | 48.00 MP + 24.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.33 inches (1/3.06") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 9.35 | 11.99 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 6000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0, EDR |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Asus ROG Phone II has a score of 88, which is much better than Galaxy A21's score of 76.1. Even being the best device we are comparing here, the Asus ROG Phone II is an older, thicker and heavier device than Galaxy A21. The Asus ROG Phone II features a bit better hardware performance than Samsung Galaxy A21, and although they both have 8 cpu cores, the Asus ROG Phone II also has 9 GB more RAM memory.
The Asus ROG Phone II features a sharper display than Galaxy A21, because it has a little bigger screen, a much better 1080 x 2340 resolution and a better display pixels density. The Asus ROG Phone II has a much better memory to install applications and games or saving photos and videos than Galaxy A21, because although it has no external memory card slot, it also counts with more internal storage.
The Asus ROG Phone II has a very superior camera than Samsung Galaxy A21, and although they both have a same size diafragm aperture, the Asus ROG Phone II also has a much better resolution back camera, a much higher video definition and a much larger camera sensor providing a lot better image quality.
The Asus ROG Phone II has a much better battery duration than Galaxy A21, because it has a 50% more battery capacity.
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