Compare phones
| Global Score | |
| 81.6 | 85.5 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10 | Android 11, 10 |
| 2020-09-08 | 2019-12-27 |
| 6.51 x 3.02 x 0.37 inches | 6.24 x 2.90 x 0.31 inches |
| 7.58 ounces | 6.07 ounces |
| Cobalt blue and Shadow gray | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| 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 |
| IPS LCD | Super AMOLED |
| 393 pixels per inch | 405 pixels per inch |
| 450 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.4 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 732G SM7150-AC chipset | Samsung Exynos 9611 chipset |
| Kryo 470, 64-bit, 8 nm (Octa-Core 2300 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 618 GPU | Mali-G72 MP3 GPU |
| 9.36 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.78 | 14.14 |
| Camera | |
| 64.00 MP + 20.00 MP | 48.00 MP + 32.00 MP |
| f/1.90 aperture | f/2.00 aperture |
| -- | 26.00mm focal length |
| 0.59 inches (1/1.7") 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 (960 fps) (HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 12.1 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 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 |
| 6.7 | 6.7 |
| Battery Life | |
| 5160mAh Li - Polymer Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.88 | 5.92 |
| Other Features | |
| Bluetooth 5.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Galaxy A51 is slightly better than Xiaomi Poco X3 NFC, with an 85.5 score against 81.6. These phones have Android OS, but the Galaxy A51 has a more recent 11 version while Xiaomi Poco X3 NFC has Android 10, providing the user a couple additional features and performance tweaks. Even though the Galaxy A51 and Xiaomi Poco X3 NFC were released only a few months apart, the Galaxy A51 is somewhat thinner and somewhat lighter.
The Xiaomi Poco X3 NFC features a little sharper screen than Galaxy A51, because although it has a little bit worse display pixel density, and they both have the same exact resolution of 1080 x 2400, the Xiaomi Poco X3 NFC also counts with a quite bigger display. The Xiaomi Poco X3 NFC features just a little better performance than Samsung Galaxy A51, and although they both have 8 cpu cores, the Xiaomi Poco X3 NFC also has a larger amount of RAM.
Samsung Galaxy A51 features a much bigger memory capacity for applications, games, photos and videos than Xiaomi Poco X3 NFC, because it has a slot for external memory cards that admits up to 512 GB and more internal memory. Xiaomi Poco X3 NFC features longer battery performance than Samsung Galaxy A51, because it has 5160mAh of battery capacity.
Xiaomi Poco X3 NFC counts with just a bit better camera than Galaxy A51, and although they both have the same 3840x2160 video quality and the same video frame rate, the Xiaomi Poco X3 NFC also has a bigger sensor taking better quality videos and pictures, a bigger camera aperture and a much more megapixels back-facing camera.
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