Compare phones
| Global Score | |
| 87.5 | 85.5 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 12 | Android 11, 10 |
| 2022-06-23 | 2019-12-27 |
| 6.43 x 2.99 x 0.30 inches | 6.24 x 2.90 x 0.31 inches |
| 6.88 ounces | 6.07 ounces |
| Moonlight Silver, Nebula Green and Night Black | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| Glass (Corning Gorilla Glass 5) and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 282.00 |
| Display / Screen | |
| 6.7 inches | 6.5 inches |
| 2400 x 1080 pixels | 2400 x 1080 pixels |
| AMOLED | Super AMOLED |
| 393 pixels per inch | 405 pixels per inch |
| 1300 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 870 SM8250-AC (7 nm) chipset | Samsung Exynos 9611 chipset |
| Kryo 585, 64-bit (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 | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 14.14 |
| Camera | |
| 64.00 MP + 20.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/2.00 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 |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 11.88 | 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 | Nano SIM, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 4500mAh Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 5.92 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Xiaomi Poco F4 is a bit better than the Galaxy A51, with an 87.5 score against 85.5. Both of these devices include Android OS (operating system), but the Xiaomi Poco F4 has a newer 12 version and Galaxy A51 has Android 11, so it gives lots of additional features. Xiaomi Poco F4's construction is newer and just a little bit thinner than Galaxy A51's, but it is also heavier.
The Xiaomi Poco F4 features a bit superior processing unit than Galaxy A51, and although they both have 8 processing cores, the Xiaomi Poco F4 also has a greater amount of RAM memory. Xiaomi Poco F4 has a more vivid screen than Samsung Galaxy A51, because although it has a quite worse pixels amount in each inch of screen, and they both have exactly the same 1080 x 2400 resolution, the Xiaomi Poco F4 also counts with a little larger display.
The Samsung Galaxy A51 features a much better storage for applications and games than Xiaomi Poco F4, and although they both have equal 128 GB internal memory capacity, the Samsung Galaxy A51 also has a SD card slot that admits up to 512 GB. Xiaomi Poco F4 has a little bit better camera than Galaxy A51, and although they both have the same 3840x2160 (4K) video quality, the same video frame rate and the same sensor size, the Xiaomi Poco F4 also has a back facing camera with much more mega-pixels and a larger diafragm aperture to capture better low-light photography and video.
The Xiaomi Poco F4 has just a bit longer battery life than Galaxy A51, because it has a 4500mAh battery size.
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