Compare phones
| Global Score | |
| 74.3 | 84.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 8.1 Oreo | Android 11, 10 |
| 2018-07-27 | 2020-03-23 |
| 5.88 x 2.82 x 0.34 inches | 6.26 x 2.96 x 0.35 inches |
| 6.28 ounces | 6.63 ounces |
| Black, Blue and Gold | Midnight blue and Raven black |
| -- | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 5.8 inches | 6.4 inches |
| 2280 x 1080 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 435 pixels per inch | 403 pixels per inch |
| 500 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.6 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 625 MSM8953 chipset | Exynos 9611 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2000 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 506 GPU | Mali-G72 MP3 GPU |
| 9.09 | 9.27 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.78 | 11.74 |
| Camera | |
| 12.00 MP + 5.00 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 |
| 8.8 | 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 | |
| 4000mAh Li - Polymer Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 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 global score of 84.1, which is much better than Xiaomi Mi A2 Lite's score of 74.3. The Galaxy M21 is a newer cellphone than the Xiaomi Mi A2 Lite, although it is a bit thicker and just a little heavier. Both phones we are comparing come with Android OS (Operating System), but the Galaxy M21 has older 11 version while Xiaomi Mi A2 Lite has Android 8.1 Oreo version.
The Xiaomi Mi A2 Lite features a slightly better screen than Galaxy M21, because although it has a bit smaller screen and a bit lower 1080 x 2280px resolution, it also counts with a little brighter screen and a quite better pixel density. Samsung Galaxy M21 has slightly more memory capacity to store more games and applications than Xiaomi Mi A2 Lite, and although they both have equal internal memory, the Samsung Galaxy M21 also has a SD memory slot that holds a maximum of 512 GB.
The Samsung Galaxy M21 features a bit superior processor than Xiaomi Mi A2 Lite. Both of them have the same RAM memory amount and the same number of cores. Samsung Galaxy M21 counts with a much longer battery life than Xiaomi Mi A2 Lite, because it has a 50% larger battery capacity. The Galaxy M21 features a much better camera than Xiaomi Mi A2 Lite, because it has a way more MP camera in the back, a larger diafragm aperture and a much better video definition.
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