Compare phones
| Global Score | |
| 74.4 | 77.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 7.1 Nougat | Android 10 |
| 2018-02-22 | 2020-06-19 |
| 6.24 x 2.97 x 0.32 inches | 6.44 x 2.96 x 0.35 inches |
| 6.35 ounces | 6.77 ounces |
| 16 777 216 | Black, Blue, Red and White |
| Metal | -- |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6 inches | 6.5 inches |
| 2160 x 1080 pixels | 1600 x 720 pixels |
| IPS LCD | TFT |
| 402 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 8 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Samsung Exynos 850 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2000 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Adreno 506 GPU | Mali-G76 GPU |
| 9.09 | 9.09 |
| Storage | |
| 64 GB internal memory | 32 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.02 | 9.84 |
| Camera | |
| 12.00 MP + 5.00 MP | 48.00 MP + 13.00 MP |
| f/2.20 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 8.8 | 10.78 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 4000mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.8 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy A21s is just a bit better than Xiaomi Redmi Note 5, having a 77.7 score against 74.4. Both phones in this comparison review include Android operating system, but Galaxy A21s has the older 10 version while Xiaomi Redmi Note 5 has Android 7.1 Nougat version. The Galaxy A21s is a incredibly newer cellphone than the Xiaomi Redmi Note 5, although it is a little thicker and just a little heavier.
Xiaomi Redmi Note 5 counts with a much better looking display than Samsung Galaxy A21s, because although it has a bit smaller display, it also counts with a greater screen density and a much better resolution of 1080 x 2160px. The Xiaomi Redmi Note 5 features just a bit more memory to install applications and games or saving photos and videos than Samsung Galaxy A21s, because although it has an external memory slot that supports 384 GB smaller, it also counts with 32 GB more internal storage.
The Xiaomi Redmi Note 5 and the Galaxy A21s have incredibly similar CPUs, and although the Galaxy A21s has a lower amount of RAM, they both have 8 cpu cores. Galaxy A21s features a way better camera than Xiaomi Redmi Note 5, and although they both have the same video resolution and the same 30 fps video frame rate, the Galaxy A21s also has a larger camera aperture to capture better low light photos and videos and a back-facing camera with a much better resolution.
Galaxy A21s has longer battery duration than Xiaomi Redmi Note 5, because it has 5000mAh of battery capacity against 4000mAh.
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