Compare phones
| Global Score | |
| 74.1 | 87 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 7.0 Nougat, 6.0 Marshmallow | Android 11, 10 |
| 2017-01-23 | 2020-11-06 |
| 5.94 x 2.99 x 0.33 inches | 6.47 x 2.99 x 0.34 inches |
| 5.82 ounces | 6.81 ounces |
| 16 777 216 | Prism Dot black, Prism Dot grey and Prism Dot white |
| Aluminum | -- |
| $ 190.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.6 inches |
| 1920 x 1080 pixels (Full HD) | 1600 x 720 pixels |
| IPS LCD | Super AMOLED |
| 401 pixels per inch | 266 pixels per inch |
| 450 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Qualcomm Snapdragon 750G SM7225 chipset |
| ARM Cortex-A53, 64-bit (Octa-Core 2000 MHz) processor | Kryo 570, 64-bit, 8 nm (Octa-Core 2200 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 506 GPU | Adreno 619 GPU |
| 9.09 | 9.18 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 1000 GB) external memory slot |
| 10.02 | 15.38 |
| Camera | |
| 13.00 MP + 5.00 MP | 48.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (480 fps) (HD) slow motion video |
| 9.02 | 11.11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G) and HSPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM |
| 6.1 | 10.7 |
| Battery Life | |
| 4100mAh Li - Polymer Battery | 5000mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6 | 6.8 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Samsung Galaxy A42 is much better than the Xiaomi Redmi Note 4, with an 87 score against 74.1. Although Samsung Galaxy A42 is newer than Xiaomi Redmi Note 4, it's just a bit thicker and somewhat heavier. These devices have Android OS, but the Samsung Galaxy A42 has older 11 version and Xiaomi Redmi Note 4 has Android 7.0 Nougat version.
Xiaomi Redmi Note 4 features a much better screen than Samsung Galaxy A42, because although it has a little bit smaller display, it also counts with a better resolution of 1080 x 1920 and a way better pixels density. Samsung Galaxy A42 features just a little better processing power than Xiaomi Redmi Note 4. They have a 4 GB RAM and the same number of cores.
The Galaxy A42 takes way better pictures and videos than Xiaomi Redmi Note 4, because it has a way higher video resolution, a larger aperture for better low-light captures and video and a camera in the back with way more megapixels. The Galaxy A42 has a lot bigger memory for games and applications than Xiaomi Redmi Note 4, because it has more internal memory capacity and an external memory slot that admits up to 1000 GB.
The Galaxy A42 counts with better battery lifetime than Xiaomi Redmi Note 4, because it has a 5000mAh battery size.
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