Compare phones
| Global Score | |
| 84.1 | 87.5 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 12 |
| 2020-03-23 | 2022-06-23 |
| 6.26 x 2.96 x 0.35 inches | 6.43 x 2.99 x 0.30 inches |
| 6.63 ounces | 6.88 ounces |
| Midnight blue and Raven black | Moonlight Silver, Nebula Green and Night Black |
| Plastic and Plastic | Glass (Corning Gorilla Glass 5) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 6.7 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | AMOLED |
| 403 pixels per inch | 393 pixels per inch |
| 420 cd/m2 brightness | 1300 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.4 | 9.1 |
| Performance | |
| Exynos 9611 chipset | Qualcomm Snapdragon 870 SM8250-AC (7 nm) chipset |
| Arm Cortex-A73 and Arm Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor | Kryo 585, 64-bit (Octa-Core 3200 MHz) processor |
| 4 GB RAM | 6 GB RAM |
| Mali-G72 MP3 GPU | Adreno 650 GPU |
| 9.27 | 9.81 |
| 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 | 64.00 MP + 20.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 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 |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 11.55 | 11.88 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM |
| 6.7 | 10.7 |
| Battery Life | |
| 6000mAh Li - Polymer Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 7.52 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.2 |
| GPS | GPS |
| -- | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Xiaomi Poco F4 is slightly better than Samsung Galaxy M21, with a global score of 87.5 against 84.1. Even though Xiaomi Poco F4 is just a little heavier than Samsung Galaxy M21, it's thinner and much newer. These devices work with Android OS (operating system), but Xiaomi Poco F4 has newer 12 version and Samsung Galaxy M21 has Android 11, so it provides the user some extra features.
Xiaomi Poco F4 counts with a little bit better screen than Galaxy M21, because although it has a bit inferior pixels number in each screen inch, it also counts with a slightly better 1080 x 2400 resolution, a little bigger screen and a lot brighter screen. Xiaomi Poco F4 has a little faster processing unit than Galaxy M21, and although they both have the same number of cores, the Xiaomi Poco F4 also has more RAM memory.
Samsung Galaxy M21 features a better storage to install applications and games or saving photos and videos than Xiaomi Poco F4, because although it has just 64 GB internal memory capacity, it also counts with a slot for an external memory card that holds a maximum of 512 GB. The Galaxy M21 counts with better battery life than Xiaomi Poco F4, because it has 6000mAh of battery capacity.
Xiaomi Poco F4 shoots a bit better pictures and videos than Galaxy M21, and although they both have the same 3840x2160 (4K) video quality, the same video frame rates and a 0.5 inches sensor, the Xiaomi Poco F4 also has a bigger aperture to capture better low-light images and video and a camera in the back with a much higher resolution.
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