Compare phones
| Global Score | |
| 77.1 | 84.1 |
| Basic Information | |
| Asus | Samsung |
| -- | Android 11, 10 |
| 2018-10-29 | 2020-03-23 |
| 6.25 x 3.00 x 0.34 inches | 6.26 x 2.96 x 0.35 inches |
| 7.05 ounces | 6.63 ounces |
| Black | Midnight blue and Raven black |
| Aluminum and Glass | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 1099.00 | -- |
| Display / Screen | |
| 6 inches | 6.4 inches |
| 2160 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED |
| 402 pixels per inch | 403 pixels per inch |
| 550 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.6 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Exynos 9611 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2960 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 630 GPU | Mali-G72 MP3 GPU |
| 9.72 | 9.27 |
| Storage | |
| 512 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 17.6 | 11.74 |
| Camera | |
| 8.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 24.00mm focal length | 26.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 3.63 | 11.55 |
| 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, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy M21 has a general score of 84.1, which is a bit better than Asus ROG Phone's overall score of 77.1. Although the Galaxy M21 is just a little bit thicker than Asus ROG Phone, it's a little lighter and also newer. Asus ROG Phone counts with a bit sharper screen than Samsung Galaxy M21, because although it has a bit worse quantity of pixels per inch of display, a quite lower resolution of 1080 x 2160 pixels and a little smaller display, it also counts with a brighter screen.
Asus ROG Phone features a bit better processor than Galaxy M21, and although they both have 8 cpu cores, the Asus ROG Phone also has a larger amount of RAM. Asus ROG Phone has a superior memory capacity for games and applications than Galaxy M21, because although it has no external memory slot, it also counts with 448 GB more internal memory capacity.
Galaxy M21 has a much better battery duration than Asus ROG Phone, because it has 6000mAh of battery capacity. Samsung Galaxy M21 counts with a way better camera than Asus ROG Phone, because although it has lower 30 fps video frame rate and a smaller camera aperture which is not favorable for shooting pictures in low-light situations, and they both have the same video definition, the Samsung Galaxy M21 also counts with a lot larger back camera sensor taking more light and vivid colors.
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