Compare phones
| Global Score | |
| 87 | 76.7 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 11 |
| 2020-11-06 | 2021-05-27 |
| 6.47 x 2.99 x 0.34 inches | 6.23 x 2.96 x 0.33 inches |
| 6.81 ounces | 6.70 ounces |
| Prism Dot black, Prism Dot grey and Prism Dot white | Moonlight White, Neptune Blue and Space Black, |
| -- | Glass and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.6 inches | 6.3 inches |
| 1600 x 720 pixels | 2340 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 266 pixels per inch | 409 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 750G SM7225 chipset | MediaTek Helio G85 MT6769Z chipset |
| Kryo 570, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 619 GPU | Mali G52 MC2 GPU |
| 9.18 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 15.38 | 10.02 |
| Camera | |
| 48.00 MP + 20.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 0.5 inches (1/2") sensor |
| 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 | 1280 x 720 (120 fps) (HD) slow motion video |
| 11.11 | 11 |
| 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 HSPA |
| Nano SIM | Nano SIM |
| 10.7 | 6.6 |
| Battery Life | |
| 5000mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | -- |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Galaxy A42 is better than the Xiaomi Redmi Note 8 2021, getting an 87 score against 76.7. Even being the best in our current comparison, the Galaxy A42 is a just a little thicker and just a bit heavier cellphone than Xiaomi Redmi Note 8 2021. These phones include the same Android 11 operating system.
The Xiaomi Redmi Note 8 2021 features a sharper display than Galaxy A42, because although it has a bit smaller display, it also counts with a much higher 1080 x 2340px resolution and a lot higher pixels count per inch in the display. The Galaxy A42 counts with a lot bigger memory to store more apps and games than Xiaomi Redmi Note 8 2021, because it has 128 GB internal storage and an external memory slot that allows a maximum of 1000 GB.
Galaxy A42 has a bit more powerful processing unit than Xiaomi Redmi Note 8 2021. They have the same number of cores and the same RAM memory amount. The Galaxy A42 has longer battery duration than Xiaomi Redmi Note 8 2021, because it has a 25 percent more battery capacity. Samsung Galaxy A42 shoots clearer photographs and videos than Xiaomi Redmi Note 8 2021, and although they both have a F1.8 diafragm aperture and a same resolution camera in the back, the Samsung Galaxy A42 also has a way higher video quality.
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