Compare phones
| Global Score | |
| 76.1 | 82.4 |
| Basic Information | |
| Samsung | Samsung |
| Android 10 | Android 9.0 Pie, 8.1 Oreo |
| 2020-06-29 | 2019-03-07 |
| 6.61 x 3.02 x 0.32 inches | 6.26 x 2.96 x 0.33 inches |
| 6.81 ounces | 6.14 ounces |
| Black | Black and Blue |
| Plastic and Plastic | Plastic |
| $ 194.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.4 inches |
| 1600 x 720 pixels | 2280 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 270 pixels per inch | 394 pixels per inch |
| No touch screen | No touch screen |
| 7.3 | 8 |
| Performance | |
| Mediatek Helio P35 chipset | Samsung Exynos 7 Octa 7904 chipset |
| Arm Cortex-A53, 64-bit, 12 nm (Octa-Core 2300 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| PowerVR GE8320 GPU | Mali-G71 MP2 GPU |
| 9.27 | 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 | |
| 16.00 MP + 13.00 MP | 13.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| -- | 27.00mm focal length |
| 0.33 inches (1/3.06") 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 |
| 9.35 | 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 | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy M30 is a bit better than the Galaxy A21, having a score of 82.4 against 76.1. These devices work with Android operating system, but Galaxy M30 has a newer 9.0 Pie version while Galaxy A21 has Android 10, so it provides the user a couple nice extra features and performance improvements. Although the Galaxy M30 is older and just a little thicker than Galaxy A21, it's body is still just a little bit lighter.
Galaxy M30 features a little bit better screen than Samsung Galaxy A21, because although it has a little bit smaller screen, it also counts with a better pixels density and a much higher 1080 x 2280px resolution. The Galaxy M30 counts with much more storage capacity for applications and games than Samsung Galaxy A21, and although they both have a slot for an SD memory card that admits a maximum of 512 GB, the Galaxy M30 also has 96 GB more internal memory.
Samsung Galaxy A21 counts with just a little better processing power than Samsung Galaxy M30, although it has 3 GB lesser RAM, they both have 8 cpu cores. Samsung Galaxy A21 counts with a little bit better camera than Galaxy M30, and although they both have the same video frame rates and the same video quality, the Samsung Galaxy A21 also has a camera in the back with a better 16 megapixels resolution, a bigger camera aperture and a larger sensor.
Galaxy M30 has longer battery life than Samsung Galaxy A21, because it has 5000mAh of battery capacity against 4000mAh.
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