Compare phones
| Global Score | |
| 77.7 | 82.4 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 9.0 Pie, 8.1 Oreo |
| 2020-06-19 | 2019-03-07 |
| 6.44 x 2.96 x 0.35 inches | 6.26 x 2.96 x 0.33 inches |
| 6.77 ounces | 6.14 ounces |
| Black, Blue, Red and White | Black and Blue |
| -- | Plastic |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 1600 x 720 pixels | 2280 x 1080 pixels |
| TFT | Super AMOLED |
| 270 pixels per inch | 394 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8 |
| Performance | |
| Samsung Exynos 850 chipset | Samsung Exynos 7 Octa 7904 chipset |
| Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Mali-G76 GPU | Mali-G71 MP2 GPU |
| 9.09 | 9 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 9.84 | 14.14 |
| Camera | |
| 48.00 MP + 13.00 MP | 13.00 MP + 16.00 MP |
| f/2.00 aperture | f/1.90 aperture |
| 26.00mm focal length | 27.00mm focal length |
| 0.5 inches (1/2") sensor | 0.32 inches (1/3.1") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 10.78 | 9.13 |
| 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 | |
| 5000mAh Li - Polymer Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy M30 is a little bit better than Samsung Galaxy A21s, having a general score of 82.4 against 77.7. Even though the Galaxy M30 is older than the Samsung Galaxy A21s, it's body is a little bit thinner and a little bit lighter. Both of these devices include Android OS, but Galaxy M30 has a newer 9.0 Pie version and Samsung Galaxy A21s has Android 10 version, offering a lot of extra features.
Samsung Galaxy A21s counts with a little bit better performance than Samsung Galaxy M30, although it has 3 GB less RAM memory, they both have the same number of cores. Galaxy M30 has a sharper screen than Galaxy A21s, because although it has a little bit smaller display, it also counts with a greater pixels number in each display inch and a much higher 1080 x 2280 resolution.
The Galaxy M30 has a very superior memory capacity for applications and games than Galaxy A21s, and although they both have a slot for external memory cards that admits a maximum of 512 GB, the Galaxy M30 also has more internal storage capacity. The Galaxy A21s shoots much clearer videos and photos than Galaxy M30, because although it has a smaller diafragm aperture which is not so good for low light photos, and they both have the same video frame rates and the same (Full HD) video definition, the Galaxy A21s also counts with a camera with a much better 48 MP resolution and a way larger back-facing camera sensor.
The Galaxy A21s and the Samsung Galaxy M30 count with similar battery performance.
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