Compare phones
| Global Score | |
| 87.3 | 84.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 11, 10 |
| 2021-03-27 | 2020-03-23 |
| 6.44 x 3.01 x 0.31 inches | 6.26 x 2.96 x 0.35 inches |
| 6.91 ounces | 6.63 ounces |
| Arctic white, Deep Ocean blue and Night black | Midnight blue and Raven black |
| Glass (Corning Gorilla Glass 5) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.7 inches | 6.4 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED |
| 393 pixels per inch | 403 pixels per inch |
| 1300 cd/m2 brightness | 420 cd/m2 brightness |
| No touch screen | No touch screen |
| 9.1 | 8.4 |
| Performance | |
| Qualcomm Snapdragon 870 SM8250-AC chipset | Exynos 9611 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 3200 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 650 GPU | Mali-G72 MP3 GPU |
| 9.81 | 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 | |
| 48.00 MP + 20.00 MP | 48.00 MP + 20.00 MP |
| f/1.80 aperture | f/2.00 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.5 inches (1/2") 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 |
| 11.55 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4520mAh Battery | 6000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.4 | 7.52 |
| Other Features | |
| Bluetooth 5.1 | 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
Xiaomi Poco F3 is slightly better than Samsung Galaxy M21, with an 87.3 score against 84.1. The Xiaomi Poco F3 body is newer and somewhat thinner, but also just a bit heavier than the Samsung Galaxy M21. Both phones in this review come with the same Android 11 OS, so both should provide the user identical OS features.
The Xiaomi Poco F3 counts with a bit better processor than Samsung Galaxy M21, and although they both have a Octa-Core processor, the Xiaomi Poco F3 also has a higher amount of RAM memory. The Xiaomi Poco F3 has a slightly better screen than Galaxy M21, because although it has a little bit lower pixels density, it also counts with a quite larger screen, a little bit higher resolution of 1080 x 2400px and much more brightness.
Samsung Galaxy M21 has a greater storage for games and applications than Xiaomi Poco F3, because although it has less internal storage, it also counts with a slot for an SD memory card that allows a maximum of 512 GB. The Galaxy M21 has better battery life than Xiaomi Poco F3, because it has a 6000mAh battery size against 4520mAh.
The Samsung Galaxy M21's camera is very similar to the Xiaomi Poco F3 one, and although the Samsung Galaxy M21 has a smaller aperture which is not good for capturing photographs and video in low-light situations, they both have the same 3840x2160 (4K) video resolution, a same size camera sensor, the same video frame rates and a same resolution camera in the back.
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