Compare phones
| Global Score | |
| 87 | 79 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 11, 10 |
| 2020-11-06 | 2020-04-07 |
| 6.47 x 2.99 x 0.34 inches | 6.53 x 3.02 x 0.35 inches |
| 6.81 ounces | 7.37 ounces |
| Prism Dot black, Prism Dot grey and Prism Dot white | Aurora blue, Glacier white and Interstellar grey |
| -- | Glass (Corning Gorilla Glass 5) |
| -- | Scratch-Resistant Glass |
| -- | $ 249.00 |
| Display / Screen | |
| 6.6 inches | 6.7 inches |
| 1600 x 720 pixels | 2400 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 266 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 7.2 | 8 |
| Performance | |
| Qualcomm Snapdragon 750G SM7225 chipset | Qualcomm Snapdragon 720G SM7125 chipset |
| Kryo 570, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 619 GPU | Adreno 618 GPU |
| 9.18 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 15.38 | 11.74 |
| Camera | |
| 48.00 MP + 20.00 MP | 48.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 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 (480 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 11.11 | 11.55 |
| 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, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 5000mAh Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| 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
The Galaxy A42 is better than Xiaomi Redmi Note 9S, with a overall score of 87 against 79. The Galaxy A42 construction is just a little bit lighter and just a little bit thinner than Xiaomi Redmi Note 9S, although both of them were released with only 7 months difference. Both of these devices use the same Android 11 OS.
Xiaomi Redmi Note 9S has a bit more powerful processing unit than Galaxy A42. They have a Octa-Core processor and a 4 GB RAM memory. Xiaomi Redmi Note 9S counts with a better looking display than Galaxy A42, because it has a way higher 1080 x 2400 pixels resolution, a quite bigger display and a greater screen pixel density.
Galaxy A42 features a superior memory to store more games and applications than Xiaomi Redmi Note 9S, because it has a slot for external memory cards that holds up to 1000 GB and 128 GB internal memory. The Xiaomi Redmi Note 9S features a slightly better camera than Galaxy A42. Both of them have the same 3840x2160 (4K) video resolution, the same resolution camera, the same video frame rates and a same size aperture.
Samsung Galaxy A42 and Xiaomi Redmi Note 9S both count with extremely similar batteries duration, although the Xiaomi Redmi Note 9S also has 5020mAh of battery capacity against 5000mAh.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.