Compare phones
| Global Score | |
| 81.2 | 84.1 |
| Basic Information | |
| Asus | Samsung |
| Android 13 | Android 11, 10 |
| 2023-04-13 | 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 |
| Phantom Black and Storm White | Midnight blue and Raven black |
| Glass (Corning Gorilla Glass 3) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.8 inches | 6.4 inches |
| 2448 x 2080 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED |
| 472 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.9 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 2 SM8550 (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 |
| Adreno 740 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 + 32.00 MP | 48.00 MP + 20.00 MP |
| -- | 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 |
| 11.55 | 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 Li - Ion 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
The Galaxy M21 is a little bit better than Asus ROG Phone 7, having an 84.1 score against 81.2. Both of these devices use Android OS (operating system), but Galaxy M21 has an older 11 version while Asus ROG Phone 7 has Android 13 version. Despite of the fact that the Galaxy M21 is way older than Asus ROG Phone 7, it's construction is thinner and lighter.
The Galaxy M21 counts with a really superior processing power than Asus ROG Phone 7, although it has lesser RAM memory, they both have 8 cpu cores. Galaxy M21 counts with a bit more vivid display than Asus ROG Phone 7, although it has a just a bit lower pixels count per inch in the display, a little smaller screen and a lot lower resolution of 1080 x 2340.
The Samsung Galaxy M21 and Asus ROG Phone 7 both feature really similar cameras, although the Samsung Galaxy M21 has a back camera with a worse resolution, a way worse 3840x2160 video definition and a lot smaller sensor offering a lot worse image quality. The Asus ROG Phone 7 counts with a much better storage to store more games and applications than Samsung Galaxy M21, because although it has no slot for external memory cards, it also counts with 512 GB internal storage capacity.
Galaxy M21's battery lifetime is just as good as the Asus ROG Phone 7 one.
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