Compare phones
| Global Score | |
| 78.9 | 87 |
| Basic Information | |
| Samsung | Samsung |
| Android 10, 9.0 Pie, 8.1 Oreo | Android 11, 10 |
| 2019-02-05 | 2020-11-06 |
| 6.16 x 2.93 x 0.35 inches | 6.47 x 2.99 x 0.34 inches |
| 6.56 ounces | 6.81 ounces |
| Charcoal black and Ocean blue | Prism Dot black, Prism Dot grey and Prism Dot white |
| Plastic and Plastic | -- |
| Display / Screen | |
| 6.3 inches | 6.6 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| IPS LCD | Super AMOLED |
| 409 pixels per inch | 266 pixels per inch |
| No touch screen | No touch screen |
| 8 | 7.2 |
| Performance | |
| Samsung Exynos 7 Octa 7904 chipset | Qualcomm Snapdragon 750G SM7225 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | Kryo 570, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G71 MP2 GPU | Adreno 619 GPU |
| 8.91 | 9.18 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 11.74 | 15.38 |
| Camera | |
| 13.00 MP + 8.00 MP | 48.00 MP + 20.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 12.00mm focal length | -- |
| 0.32 inches (1/3.1") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (480 fps) (HD) slow motion video |
| 9.02 | 11.11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| 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 | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Galaxy A42 has a global score of 87, which is much better than Samsung Galaxy M20's overall score of 78.9. Even though Galaxy A42 is a little bit heavier than Samsung Galaxy M20, it's a little bit thinner and also newer. Both phones we are comparing include Android OS (operating system), but Galaxy A42 has a more recent 11 version and Samsung Galaxy M20 has Android 10 version, so it offers some extra features and enhanced performance.
Galaxy A42 features a little faster CPU than Samsung Galaxy M20. Both of them have the same number of cores and 4 GB of RAM memory. Samsung Galaxy M20 counts with a more vivid screen than Samsung Galaxy A42, because although it has a little bit smaller display, it also counts with a lot greater quantity of pixels per screen inch and a way better resolution of 1080 x 2340.
Galaxy A42 takes a lot better pictures and videos than Samsung Galaxy M20, because it has a bigger aperture to take better captures and videos in low light environments, a much higher 3840x2160 (4K) video resolution and a way higher resolution back camera. Galaxy A42 counts with a very superior memory for applications and games than Galaxy M20, because it has an external memory card slot that allows up to 1000 GB and 128 GB internal storage.
The Galaxy A42 has a battery duration that is very similar to the battery duration in Samsung Galaxy M20.
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