Compare phones
| Global Score | |
| 87 | 79.8 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 11, 10, 9.0 Pie |
| 2020-11-06 | 2019-09-20 |
| 6.47 x 2.99 x 0.34 inches | 6.24 x 2.94 x 0.30 inches |
| 6.81 ounces | 5.86 ounces |
| Prism Dot black, Prism Dot grey and Prism Dot white | Prism crush black, Prism crush green, Prism crush violet and Prism crush white |
| Display / Screen | |
| 6.6 inches | 6.4 inches |
| 1600 x 720 pixels | 1560 x 720 pixels |
| Super AMOLED | Super AMOLED |
| 266 pixels per inch | 268 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 750G SM7225 chipset | Samsung Exynos 7 Octa 7885 chipset |
| Kryo 570, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 619 GPU | Mali-G71 MP2 GPU |
| 9.18 | 8.91 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 15.38 | 14.14 |
| Camera | |
| 48.00 MP + 20.00 MP | 25.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| -- | 27.00mm focal length |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | -- |
| 11.11 | 9.68 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.7 | 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, Light Sensor and Proximity Sensor | Accelerometer, Compass, Light Sensor and Proximity Sensor |
Comparison review
The Samsung Galaxy A42 is just a bit better than Galaxy A30s, having an 87 score against 79.8. Both of these devices use the same Android 11 operating system. Even though Samsung Galaxy A42 is newer than the Galaxy A30s, it's heavier and somewhat thicker. The Galaxy A42 has a little better processing power than Galaxy A30s. Both have a 4 GB RAM and a Octa-Core processing unit.
Galaxy A30s counts with a screen that's just as good as the Samsung Galaxy A42 one, because although the Galaxy A30s has a little bit smaller screen and a bit lower 720 x 1560 pixels resolution, it also counts with a little more pixels per inch of display. Galaxy A42 has a much better camera than Galaxy A30s, because although it has a smaller aperture which is not so good for low-light photography and video, it also counts with a way better resolution camera in the back and a much better 3840x2160 video quality.
The Samsung Galaxy A42 has slightly more memory capacity for applications, games, photos and videos than Samsung Galaxy A30s, and although they both have the same internal storage, the Samsung Galaxy A42 also has a slot for an SD memory card that allows up to 1000 GB. The Samsung Galaxy A42 counts with longer battery life than Samsung Galaxy A30s, because it has 5000mAh of battery capacity.
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