Compare phones
| Global Score | |
| 72.1 | 77.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 7.0 Nougat | Android 10 |
| 2017-11-08 | 2020-06-19 |
| 6.02 x 3.00 x 0.30 inches | 6.44 x 2.96 x 0.35 inches |
| 5.40 ounces | 6.77 ounces |
| 16 777 216 | Black, Blue, Red and White |
| Metal | -- |
| Scratch-Resistant Glass | -- |
| $ 170.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1280 x 720 pixels (HD) | 1600 x 720 pixels |
| IPS LCD | TFT |
| 267 pixels per inch | 270 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 435 8940 chipset | Samsung Exynos 850 chipset |
| ARM Cortex-A53, 64-bit, 28 nm (Octa-Core 1400 MHz) processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 4 GB RAM | 3 GB RAM |
| Adreno 505 GPU | Mali-G76 GPU |
| 8.64 | 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 | |
| 13.00 MP + 16.00 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 |
| 8.91 | 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 |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3080mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.04 | 6.8 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
Comparison review
The Galaxy A21s is a little bit better than Xiaomi Redmi Y1, with a 77.7 score against 72.1. Galaxy A21s's design is much newer, but incredibly heavier and somewhat thicker than the Xiaomi Redmi Y1. Both phones in this comparison have Android OS (operating system), but Galaxy A21s has the previous 10 version while Xiaomi Redmi Y1 has Android 7.0 Nougat version.
Galaxy A21s has a little more vivid screen than Xiaomi Redmi Y1, because it has a bigger screen, a slightly better resolution of 720 x 1600px and a quite better pixel density. The Xiaomi Redmi Y1 counts with just a bit more storage capacity for apps and games than Samsung Galaxy A21s, because although it has a SD card slot that allows 384 GB smaller, it also counts with 32 GB more internal memory.
Samsung Galaxy A21s features a little bit better processing power than Xiaomi Redmi Y1, although it has a lower amount of RAM, they both have the same number of cores. Samsung Galaxy A21s counts with a greater camera than Xiaomi Redmi Y1, and although they both have the same 1920x1080 video quality and the same video frame rate, the Samsung Galaxy A21s also has a camera in the back with a way better resolution and a larger diafragm aperture to capture better photos and videos in low light situations.
The Samsung Galaxy A21s features a much better battery performance than Xiaomi Redmi Y1, because it has a 5000mAh battery size.
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