Compare phones
| Global Score | |
| 85.5 | 87 |
| Basic Information | |
| Samsung | Samsung |
| Android 11, 10 | Android 11, 10 |
| 2019-12-27 | 2020-11-06 |
| 6.24 x 2.90 x 0.31 inches | 6.47 x 2.99 x 0.34 inches |
| 6.07 ounces | 6.81 ounces |
| Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white | Prism Dot black, Prism Dot grey and Prism Dot white |
| Plastic and Plastic | -- |
| Scratch-Resistant Glass | -- |
| $ 282.00 | -- |
| Display / Screen | |
| 6.5 inches | 6.6 inches |
| 2400 x 1080 pixels | 1600 x 720 pixels |
| Super AMOLED | Super AMOLED |
| 405 pixels per inch | 266 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.2 |
| Performance | |
| Samsung Exynos 9611 chipset | Qualcomm Snapdragon 750G SM7225 chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 570, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G72 MP3 GPU | Adreno 619 GPU |
| 9.27 | 9.18 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 14.14 | 15.38 |
| Camera | |
| 48.00 MP + 32.00 MP | 48.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | -- |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 11.55 | 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 - 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 | 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
Galaxy A42 has a general score of 87, which is just a bit better than the Samsung Galaxy A51's overall score of 85.5. The Galaxy A42 construction is newer than the Samsung Galaxy A51's, but it is heavier and a little thicker. These phones use the same Android 11 OS (Operating System), so you shouldn't notice any difference regarding that.
The Samsung Galaxy A51 has a sharper display than Galaxy A42, because although it has a bit smaller screen, it also counts with a way higher resolution of 1080 x 2400px and much more pixels per display inch. Samsung Galaxy A42 features a little bit better storage to install applications and games than Samsung Galaxy A51, and although they both have equal internal storage, the Samsung Galaxy A42 also has a slot for an SD memory card that admits up to 1000 GB.
Samsung Galaxy A51 features a bit faster processor than Samsung Galaxy A42. Both have the same RAM memory amount and 8 cores. Samsung Galaxy A51 shoots clearer videos and photos than Galaxy A42, although it has a smaller diafragm aperture, they both have the same video frame rates, a same resolution back-facing camera and the same video resolution.
The Samsung Galaxy A42 has improved battery duration than Galaxy A51, because it has a 25% greater battery capacity.
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