Compare phones
| Global Score | |
| 82.4 | 76.1 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 8.1 Oreo | Android 10 |
| 2019-03-07 | 2020-06-29 |
| 6.26 x 2.96 x 0.33 inches | 6.61 x 3.02 x 0.32 inches |
| 6.14 ounces | 6.81 ounces |
| Black and Blue | Black |
| Plastic | Plastic and Plastic |
| -- | $ 194.00 |
| Display / Screen | |
| 6.4 inches | 6.5 inches |
| 2280 x 1080 pixels | 1600 x 720 pixels |
| Super AMOLED | IPS LCD |
| 394 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8 | 7.3 |
| Performance | |
| Samsung Exynos 7 Octa 7904 chipset | Mediatek Helio P35 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 3 GB RAM |
| Mali-G71 MP2 GPU | PowerVR GE8320 GPU |
| 9 | 9.27 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.14 | 9.84 |
| Camera | |
| 13.00 MP + 16.00 MP | 16.00 MP + 13.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 27.00mm focal length | -- |
| 0.32 inches (1/3.1") sensor | 0.33 inches (1/3.06") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.13 | 9.35 |
| 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 | |
| 5000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
The Galaxy M30 is just a bit better than Samsung Galaxy A21, having an 82.4 score against 76.1. The Galaxy M30 design is a little bit lighter than the Samsung Galaxy A21, but it's just a bit thicker and was released around a year before. Both of these phones have Android operating system, but Galaxy M30 has the newer 9.0 Pie version and Samsung Galaxy A21 has Android 10, providing a couple additional features.
Galaxy M30 counts with a bit more vivid display than Samsung Galaxy A21, because although it has a little smaller screen, it also counts with a way higher 1080 x 2280px resolution and a higher quantity of pixels per inch in the screen. The Samsung Galaxy M30 has a superior memory capacity to install applications and games than Galaxy A21, and although they both have a slot for external memory cards that admits a maximum of 512 GB, the Samsung Galaxy M30 also has more internal storage capacity.
Samsung Galaxy A21 has a bit more powerful processor than Galaxy M30, although it has less RAM memory, they both have 8 CPU cores. The Galaxy A21 shoots a little bit better photos and videos than Galaxy M30, and although they both have the same video frame rate and the same 1920x1080 video resolution, the Galaxy A21 also has a bigger camera sensor taking higher quality videos and pictures, a larger camera aperture and a more mega pixels camera.
The Galaxy M30 counts with longer battery lifetime than Galaxy A21, because it has a 5000mAh battery capacity.
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