Compare phones
| Global Score | |
| 84.1 | 78.1 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 6.0 Marshmallow |
| 2020-03-23 | 2016-09-29 |
| 6.26 x 2.96 x 0.35 inches | 6.09 x 3.06 x 0.31 inches |
| 6.63 ounces | 5.93 ounces |
| Midnight blue and Raven black | Gold, Gray, Pink and Silver |
| Plastic and Plastic | Metal |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 6.4 inches | 5.7 inches |
| 2340 x 1080 pixels | 1920 x 1080 pixels (Full HD) |
| Super AMOLED | IPS LCD |
| 403 pixels per inch | 386 pixels per inch |
| 420 cd/m2 brightness | 550 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 8.4 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 821 MSM8996 Pro chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo, 64-bit (Quad-Core 2340 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G72 MP3 GPU | Adreno 530 GPU |
| 9.27 | 9.09 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 10.1 |
| Camera | |
| 48.00 MP + 20.00 MP | 13.00 MP + 4.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.33 inches (1/3") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 11.55 | 9.57 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G) and HSPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.1 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 3800mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 5.76 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy M21 has a general score of 84.1, which is slightly better than Xiaomi Mi 5s Plus's score of 78.1. Both of these devices include Android OS (operating system), but Galaxy M21 has the older 11 version and Xiaomi Mi 5s Plus has Android 6.0 Marshmallow version. Galaxy M21's body is extremely newer, but somewhat heavier and thicker than the Xiaomi Mi 5s Plus.
The Samsung Galaxy M21 features a bit superior CPU than Xiaomi Mi 5s Plus, because although it has a smaller amount of RAM, it also counts with a larger number of cores. The Xiaomi Mi 5s Plus and Galaxy M21 both have very similar screens, because although the Xiaomi Mi 5s Plus has a just a little less pixels per screen inch, a bit smaller display and a bit lower resolution of 1080 x 1920px, it also counts with a brighter display.
The Samsung Galaxy M21 has a much better camera than Xiaomi Mi 5s Plus, and although they both have the same 3840x2160 video definition, a same size aperture and the same 30 frames per second video frame rate, the Samsung Galaxy M21 also has a much larger camera sensor and a back facing camera with a lot better 48 MP resolution.
Galaxy M21 counts with a quite bigger storage capacity for applications and games than Xiaomi Mi 5s Plus, because although it has just 64 GB internal storage, it also counts with a slot for external memory cards that admits up to 512 GB. The Samsung Galaxy M21 has a really longer battery performance than Xiaomi Mi 5s Plus, because it has 6000mAh of battery capacity against 3800mAh.
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