Compare phones
| Global Score | |
| 72.1 | 84.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 7.0 Nougat | Android 11, 10 |
| 2017-11-08 | 2020-03-23 |
| 6.02 x 3.00 x 0.30 inches | 6.26 x 2.96 x 0.35 inches |
| 5.40 ounces | 6.63 ounces |
| 16 777 216 | Midnight blue and Raven black |
| Metal | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 170.00 | -- |
| Display / Screen | |
| 5.5 inches | 6.4 inches |
| 1280 x 720 pixels (HD) | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 267 pixels per inch | 403 pixels per inch |
| -- | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.1 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 435 8940 chipset | Exynos 9611 chipset |
| ARM Cortex-A53, 64-bit, 28 nm (Octa-Core 1400 MHz) processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 505 GPU | Mali-G72 MP3 GPU |
| 8.64 | 9.27 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.02 | 11.74 |
| Camera | |
| 13.00 MP + 16.00 MP | 48.00 MP + 20.00 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 | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 8.91 | 11.55 |
| 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 | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.04 | 7.52 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Galaxy M21 has a score of 84.1, which is much better than the Xiaomi Redmi Y1's overall score of 72.1. Both phones in this comparison come with Android operating system, but Galaxy M21 has 11 version and Xiaomi Redmi Y1 has Android 7.0 Nougat. The Galaxy M21 construction is incredibly newer, but somewhat thicker and somewhat heavier than the Xiaomi Redmi Y1.
The Galaxy M21 features a more vivid display than Xiaomi Redmi Y1, because it has a way greater pixel count per display inch, a bigger display and a lot higher resolution of 1080 x 2340 pixels. Galaxy M21 features more storage to store more games and applications than Xiaomi Redmi Y1, and although they both have equal internal storage, the Galaxy M21 also has a SD extension slot that admits up to 512 GB.
The Galaxy M21 has a bit superior processing unit than Xiaomi Redmi Y1. Both have 4 GB of RAM and 8 cores. The Galaxy M21 takes much better photographs and videos than Xiaomi Redmi Y1, because it has a larger diafragm aperture, a way more MP camera and a way higher 3840x2160 video quality. The Galaxy M21 has a really longer battery performance than Xiaomi Redmi Y1, because it has a 95 percent bigger battery capacity.
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