Compare phones
| Global Score | |
| 73.9 | 84.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 11, 10 |
| -- | 2020-03-23 |
| 6.29 x 2.91 x 0.32 inches | 6.26 x 2.96 x 0.35 inches |
| 6.31 ounces | 6.63 ounces |
| -- | Midnight blue and Raven black |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.4 inches |
| 2400 x 2080 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 496 pixels per inch | 403 pixels per inch |
| 1000 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.3 | 8.4 |
| Performance | |
| MediaTek Helio G96 MediaTek Helio G96 (6 nm) chipset | Exynos 9611 chipset |
| processor | Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Mali-G57 MC2 GPU | Mali-G72 MP3 GPU |
| 6.03 | 9.27 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1 TB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 13.02 | 11.74 |
| Camera | |
| 108.00 MP + 13.00 MP | 48.00 MP + 20.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.25 inches (1/4") sensor | 0.5 inches (1/2") sensor |
| -- | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 10.34 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 5000mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 7.52 |
| Other Features | |
| Bluetooth 5.0 | 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 |
| -- | FM Radio |
Comparison review
Samsung Galaxy M21 is much better than Xiaomi Redmi Note 11S, with an 84.1 score against 73.9. Both of these devices use the same Android 11 operating system, so they should offer all the same OS features. Although it's the best phone we are comparing, the Samsung Galaxy M21 body is just a little thicker and just a little bit heavier than Xiaomi Redmi Note 11S.
The Samsung Galaxy M21 counts with a much faster processor than Xiaomi Redmi Note 11S. Both have a 4 GB RAM and the same number of cores. Xiaomi Redmi Note 11S has a much better screen than Galaxy M21, and although they both have a screen of the same size, the Xiaomi Redmi Note 11S also has much more brightness, a better 2080 x 2400 resolution and a little bit more pixels per inch of display.
The Galaxy M21 has a superior camera than Xiaomi Redmi Note 11S, because although it has a camera with lot less MP resolution and a smaller aperture which is not so good for taking pictures or video in low light environments, it also counts with a lot larger back camera sensor. The Xiaomi Redmi Note 11S has a bigger storage for applications and games than Samsung Galaxy M21, and although they both have equal 64 GB internal storage capacity, the Xiaomi Redmi Note 11S also has a slot for an external memory card that holds a maximum of 1 TB.
The Samsung Galaxy M21 counts with superior battery performance than Xiaomi Redmi Note 11S, because it has a 20% greater battery capacity.
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