Compare phones
| Global Score | |
| 82.4 | 79.6 |
| Basic Information | |
| Samsung | Samsung |
| Android 9.0 Pie, 8.1 Oreo | Android 11, 10, 9.0 Pie |
| 2019-03-07 | 2019-04-10 |
| 6.26 x 2.96 x 0.33 inches | 5.69 x 2.72 x 0.31 inches |
| 6.14 ounces | 4.94 ounces |
| Black and Blue | Black, Blue, Coral and White |
| Plastic | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 5.9 inches |
| 2280 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | Super AMOLED |
| 394 pixels per inch | 437 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.2 |
| Performance | |
| Samsung Exynos 7 Octa 7904 chipset | Exynos 7904 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Mali-G71 MP2 GPU | Mali-G71 MP2 GPU |
| 9 | 8.91 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.14 | 11.74 |
| Camera | |
| 13.00 MP + 16.00 MP | 16.00 MP + 25.00 MP |
| f/1.90 aperture | f/1.70 aperture |
| 27.00mm focal length | 27.00mm focal length |
| 0.32 inches (1/3.1") sensor | 0.36 inches (1/2.8") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 9.13 | 9.46 |
| 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 Battery | 3100mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.12 |
| 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 a little bit better than Galaxy A40, with an 82.4 score against 79.6. Both devices in this comparison come with Android OS (Operating System), but Galaxy M30 has the newer 9.0 Pie version while Galaxy A40 has Android 11, so it gives some extra features and better performance. Even being the best device we compare here, it must be told that it's also a just a bit thicker and somewhat heavier device.
Samsung Galaxy M30 counts with a little faster processor than Galaxy A40, and although they both have the same number of cores, the Samsung Galaxy M30 also has more RAM memory. Galaxy A40 counts with just a bit better looking screen than Samsung Galaxy M30, because although it has a little bit smaller display, it also counts with a quite better resolution of 1080 x 2340px and a just a bit higher pixel density.
The Samsung Galaxy A40 features a bit better camera than Galaxy M30, and although they both have the same 30 fps video frame rate and the same 1920x1080 (Full HD) video definition, the Samsung Galaxy A40 also has a bigger back-facing camera sensor taking more light and vivid colors, a bigger diafragm aperture for better low-light captures and video and a more mega pixels camera.
The Galaxy M30 features a lot bigger storage capacity for applications and games than Galaxy A40, and although they both have a SD extension slot that supports up to 512 GB, the Galaxy M30 also has 128 GB internal memory capacity. The Galaxy M30 has a very superior battery duration than Galaxy A40, because it has a 61 percent bigger battery capacity.
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