Compare phones
| Global Score | |
| 76.4 | 84.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 6.0 Marshmallow | Android 11, 10 |
| 2016-09-29 | 2020-03-23 |
| 5.73 x 2.77 x 0.32 inches | 6.26 x 2.96 x 0.35 inches |
| 5.11 ounces | 6.63 ounces |
| Gold, Gray, Pink and Silver | Midnight blue and Raven black |
| Metal | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 345.00 | -- |
| Display / Screen | |
| 5.2 inches | 6.4 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 424 pixels per inch | 403 pixels per inch |
| 600 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.7 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 821 MSM8996 Pro chipset | Exynos 9611 chipset |
| Kryo, 64-bit (Quad-Core 2340 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 530 GPU | Mali-G72 MP3 GPU |
| 9 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 12.00 MP + 4.00 MP | 48.00 MP + 20.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (120 fps) (Full HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.68 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| LTE-A (4G), LTE (4G) and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 5.5 | 6.7 |
| Battery Life | |
| 3200mAh Li - Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.2 | 7.52 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy M21 has a general score of 84.1, which is better than Xiaomi Mi 5s's 76.4 score. Galaxy M21 is a a lot newer cellphone than Xiaomi Mi 5s, but it's just a bit thicker and much heavier. Both devices we compare here come with Android operating system, but Galaxy M21 has the older 11 version and Xiaomi Mi 5s has Android 6.0 Marshmallow.
Xiaomi Mi 5s features a little bit better display than Galaxy M21, because although it has a little smaller screen and a bit lower resolution of 1080 x 1920 pixels, it also counts with a little bit greater display density and a brighter screen. Galaxy M21 has more storage to store more apps and games than Xiaomi Mi 5s, because although it has only 64 GB internal storage, it also counts with a SD card slot that supports up to 512 GB.
The Galaxy M21 counts with a bit better processor than Xiaomi Mi 5s, and although they both have 4 GB of RAM, the Galaxy M21 also has a higher number of cores. Galaxy M21 has a much better battery duration than Xiaomi Mi 5s, because it has an 88% larger battery size. Samsung Galaxy M21 has a much better camera than Xiaomi Mi 5s, and although they both have the same 3840x2160 (4K) video resolution, the same camera aperture and the same video frame rate, the Samsung Galaxy M21 also has a much higher resolution camera and a bigger back camera sensor.
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