Compare phones
| Global Score | |
| 83.2 | 84.1 |
| Basic Information | |
| Asus | Samsung |
| Android 12 | Android 11, 10 |
| 2022-09-19 | 2020-03-23 |
| 6.81 x 3.03 x 0.41 inches | 6.26 x 2.96 x 0.35 inches |
| 8.43 ounces | 6.63 ounces |
| Space Gray | Midnight blue and Raven black |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.8 inches | 6.4 inches |
| 2448 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED |
| 393 pixels per inch | 403 pixels per inch |
| 1200 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.9 | 8.4 |
| Performance | |
| MediaTek Dimensity 9000+ (4 nm) chipset | Exynos 9611 chipset |
| processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 16 GB RAM | 4 GB RAM |
| Mali-G710 MC10 GPU | Mali-G72 MP3 GPU |
| 6.3 | 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 | |
| 50.00 MP + 12.00 MP | 48.00 MP + 20.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.64 inches (1/1.56") sensor | 0.5 inches (1/2") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 12.43 | 11.55 |
| 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 | |
| 6000mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 7.52 |
| Other Features | |
| Bluetooth 5.3 | 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 |
Comparison review
Galaxy M21 has a general score of 84.1, which is just a bit better than the Asus ROG Phone 6D Ultimate's overall score of 83.2. Both devices we compare here have Android operating system, but the Galaxy M21 has 11 version and Asus ROG Phone 6D Ultimate has Android 12. Although the Galaxy M21 is a lot older than the Asus ROG Phone 6D Ultimate, it's design is somewhat thinner and way lighter.
Asus ROG Phone 6D Ultimate features a bit better looking screen than Galaxy M21, because although it has a little worse screen density, it also counts with a slightly better 1080 x 2448 resolution, a quite bigger screen and much more brightness. The Asus ROG Phone 6D Ultimate has a much better memory for applications, games, photos and videos than Galaxy M21, because although it has no SD extension slot, it also counts with 512 GB internal memory.
The Samsung Galaxy M21 counts with an extremely better CPU than Asus ROG Phone 6D Ultimate, although it has a lower amount of RAM, they both have 8 CPU cores. The Asus ROG Phone 6D Ultimate features just a bit better camera than Samsung Galaxy M21, because it has a lot bigger sensor shooting much higher quality videos and photos, a back-facing camera with more MP, a bigger camera aperture to capture better low light photography and a much better 7680x4320 video definition.
Galaxy M21's battery performance is just as good as Asus ROG Phone 6D Ultimate's battery life.
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