Compare phones
| Global Score | |
| 79.6 | 87 |
| Basic Information | |
| Samsung | Samsung |
| -- | Android 11, 10 |
| 2019-03-02 | 2020-11-06 |
| 6.24 x 2.94 x 0.30 inches | 6.47 x 2.99 x 0.34 inches |
| 5.82 ounces | 6.81 ounces |
| Black, Blue and White | Prism Dot black, Prism Dot grey and Prism Dot white |
| Plastic | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 6.6 inches |
| 2340 x 1080 pixels | 1600 x 720 pixels |
| Super AMOLED | Super AMOLED |
| 403 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 | |
| 16.00 MP + 16.00 MP | 48.00 MP + 20.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 27.00mm focal length | -- |
| 0.36 inches (1/2.8") 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 |
| 9.46 | 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 | |
| 4000mAh Li - Ion 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, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy A42 has a global score of 87, which is slightly better than Galaxy A30's 79.6 general score. Although Galaxy A42 is newer than the Galaxy A30, it's thicker and somewhat heavier. Samsung Galaxy A42 features a little bit better processing power than Galaxy A30. They have the same number of cores and a 4 GB RAM memory.
Samsung Galaxy A30 features a much better looking screen than Samsung Galaxy A42, because although it has a little smaller screen, it also counts with a way better pixels amount per inch in the display and a way better 1080 x 2340 resolution. The Galaxy A42 shoots much clearer videos and photos than Galaxy A30, because although it has a smaller aperture, it also counts with a lot better 3840x2160 video resolution and a much higher 48 megapixels resolution camera.
Galaxy A42 has a lot bigger storage for apps and games than Samsung Galaxy A30, because it has a slot for an external memory card that allows a maximum of 1000 GB and 128 GB internal memory capacity. Samsung Galaxy A42 features superior battery lifetime than Galaxy A30, because it has a 25 percent larger battery size.
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