Compare phones
| Global Score | |
| 78.1 | 84.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 6.0 Marshmallow | Android 11, 10 |
| 2016-09-29 | 2020-03-23 |
| 6.09 x 3.06 x 0.31 inches | 6.26 x 2.96 x 0.35 inches |
| 5.93 ounces | 6.63 ounces |
| Gold, Gray, Pink and Silver | Midnight blue and Raven black |
| Metal | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 5.7 inches | 6.4 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 386 pixels per inch | 403 pixels per inch |
| 550 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 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 |
| 6 GB RAM | 4 GB RAM |
| Adreno 530 GPU | Mali-G72 MP3 GPU |
| 9.09 | 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 | |
| 13.00 MP + 4.00 MP | 48.00 MP + 20.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.33 inches (1/3") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 9.57 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | 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 |
| 6.1 | 6.7 |
| Battery Life | |
| 3800mAh Li - Ion Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.76 | 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
The Galaxy M21 is a bit better than the Xiaomi Mi 5s Plus, getting an 84.1 score against 78.1. Galaxy M21's construction is extremely newer than the Xiaomi Mi 5s Plus's, but it's somewhat thicker and heavier. Both devices in this review have Android OS (Operating System), but Galaxy M21 has older 11 version and Xiaomi Mi 5s Plus has Android 6.0 Marshmallow version.
Galaxy M21 features a little faster processor than Xiaomi Mi 5s Plus, because although it has less RAM memory, it also counts with a greater number of cores. The Xiaomi Mi 5s Plus and the Galaxy M21 have similar screens, because although the Galaxy M21 has much less brightness, it also counts with a slightly higher resolution of 1080 x 2340 pixels, a bit bigger display and a little more pixels per inch of screen.
The Galaxy M21 takes much clearer photos and videos than Xiaomi Mi 5s Plus, and although they both have the same aperture, the same video frame rate and the same 3840x2160 (4K) video definition, the Galaxy M21 also has a much larger back-facing camera sensor and a camera with lot more mega pixels.
Galaxy M21 counts with a quite bigger storage capacity to install applications and games or saving photos and videos than Xiaomi Mi 5s Plus, because although it has less internal memory capacity, it also counts with an external memory slot that supports a maximum of 512 GB. The Samsung Galaxy M21 counts with a much better battery performance than Xiaomi Mi 5s Plus, because it has a 6000mAh battery capacity.
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