Compare phones
| Global Score | |
| 84.1 | 84 |
| Basic Information | |
| Samsung | Huawei |
| Android 11, 10 | Android 10 |
| 2020-03-23 | 2019-09-20 |
| 6.26 x 2.96 x 0.35 inches | 6.33 x 3.00 x 0.33 inches |
| 6.63 ounces | 6.91 ounces |
| Midnight blue and Raven black | Black, Cosmic purple, Emerald green and Space silver |
| Plastic and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.6 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | OLED |
| 403 pixels per inch | 390 pixels per inch |
| 420 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.1 |
| Performance | |
| Exynos 9611 chipset | HiSilicon Kirin 990 chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A76 and ARM Cortex-A55, 64-bit, 7 nm (Octa-Core 2860 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Mali-G72 MP3 GPU | Mali-G76 MP16 GPU |
| 9.27 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 10.1 |
| Camera | |
| 48.00 MP + 20.00 MP | 40.00 MP + 24.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.5 inches (1/2") sensor | 0.67 inches (1/1.5") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.55 | 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, Dual SIM | Nano SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 4200mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.52 | 6.08 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| GPS | GPS |
| -- | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy M21 has a general score of 84.1, which is a bit better than Huawei Mate 30's 84 general score. Both of these devices have Android OS (operating system), but Galaxy M21 has the newer 11 version and Huawei Mate 30 has Android 10, so it provides a lot of extra features. Although Galaxy M21 and the Huawei Mate 30 were released only a couple months apart, the Galaxy M21 body is just a bit thicker but also a little bit lighter.
The Huawei Mate 30 has just a little better processing power than Samsung Galaxy M21, and although they both have the same number of cores, the Huawei Mate 30 also has 4 GB more RAM. The Galaxy M21 has a bit better display than Huawei Mate 30, because although it has a little smaller screen, and they both have the same 1080 x 2340px resolution, the Galaxy M21 also counts with a little bit more pixels per inch in the screen.
Huawei Mate 30 has just a bit better camera than Samsung Galaxy M21, because although it has a worse (4K) video resolution and a back facing camera with a lower resolution, it also counts with a much bigger sensor shooting much higher quality pictures and videos and a bigger aperture to take better low light photography.
The Galaxy M21 features a better storage capacity to install games and applications than Huawei Mate 30, because although it has just 64 GB internal storage capacity, it also counts with a SD memory card expansion slot that allows up to 512 GB. The Galaxy M21 counts with a superior battery performance than Huawei Mate 30, because it has 6000mAh of battery capacity against 4200mAh.
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