Compare phones
| Global Score | |
| 84.1 | 79.1 |
| Basic Information | |
| Samsung | Asus |
| Android 11, 10 | Android 12 |
| 2020-03-23 | 2022-07-05 |
| 6.26 x 2.96 x 0.35 inches | 6.81 x 3.03 x 0.41 inches |
| 6.63 ounces | 8.43 ounces |
| Midnight blue and Raven black | Phantom Black and Storm White |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.8 inches |
| 2340 x 1080 pixels | 2448 x 1080 pixels |
| Super AMOLED | AMOLED |
| 403 pixels per inch | 393 pixels per inch |
| 420 cd/m2 brightness | 1200 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 8.9 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 8+ Gen 1 SM8450 (4 nm) chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | processor |
| 4 GB RAM | 16 GB RAM |
| Mali-G72 MP3 GPU | Adreno 730 GPU |
| 9.27 | 6.3 |
| Storage | |
| 64 GB internal memory | 512 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 17.6 |
| Camera | |
| 48.00 MP + 20.00 MP | 50.00 MP + 12.00 MP |
| f/2.00 aperture | -- |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | -- |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | -- |
| 11.55 | 8.36 |
| 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 | |
| 6000mAh Li - Polymer Battery | 6000mAh Dual Nano SIM Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Samsung Galaxy M21 has a global score of 84.1, which is just a bit better than the Asus ROG Phone 6's overall score of 79.1. Samsung Galaxy M21 is an a lot older cellphone than the Asus ROG Phone 6, but it is incredibly lighter and thinner anyway. Both phones in our current comparison work with Android operating system, but Samsung Galaxy M21 has an older 11 version and Asus ROG Phone 6 has Android 12.
The Samsung Galaxy M21 features a much better hardware performance than Asus ROG Phone 6, although it has less RAM memory, they both have 8 cores. The Asus ROG Phone 6 has a little sharper display than Galaxy M21, because although it has a just a bit worse pixel amount per screen inch, it also counts with a quite larger display, a much brighter screen and a quite better resolution of 1080 x 2448px.
Galaxy M21 shoots way better photographs and videos than Asus ROG Phone 6, although it has a back camera with less megapixels. Asus ROG Phone 6 has a way bigger storage for games and applications than Galaxy M21, because although it has no external memory slot, it also counts with 448 GB more internal storage capacity.
Asus ROG Phone 6's battery life is very similar to Galaxy M21's battery lifetime.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.