Compare phones
| Global Score | |
| 71.6 | 85.5 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 4.4.2, 4.2.1 | Android 11, 10 |
| 0000-00-00 | 2019-12-27 |
| 5.67 x 2.90 x 0.32 inches | 6.24 x 2.90 x 0.31 inches |
| 5.11 ounces | 6.07 ounces |
| Black | Prism Crush black, Prism Crush blue, Prism Crush pink and Prism Crush white |
| -- | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 300.00 | $ 282.00 |
| Display / Screen | |
| 5 inches | 6.5 inches |
| 1080 x 1920 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 441 pixels per inch | 405 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 800 8974-AB chipset | Samsung Exynos 9611 chipset |
| Krait 400 (Quad-Core 2360 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 10 nm (Octa-Core 2300 MHz) processor |
| 2 GB (933 MHz) RAM | 4 GB RAM |
| Adreno 330 (450 MHz) GPU | Mali-G72 MP3 GPU |
| 9.27 | 9.27 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 7.7 | 14.14 |
| Camera | |
| 13.00 MP + 2.00 MP | 48.00 MP + 32.00 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 |
| -- | 1280 x 720 (240 fps) (HD) slow motion video |
| 8.91 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| SIM | Nano SIM, Dual SIM |
| 4.6 | 6.7 |
| Battery Life | |
| 3050mAh Li-Ion Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.04 | 5.92 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Galaxy A51 is much better than Xiaomi Mi-3, with a overall score of 85.5 against 71.6. Both phones in our current comparison work with Android OS (operating system), but Galaxy A51 has the older 11 version while Xiaomi Mi-3 has Android 4.4.2 version. Galaxy A51's construction is heavier but a little thinner than Xiaomi Mi-3.
The Samsung Galaxy A51 features a CPU that is very similar to the processing unit in Xiaomi Mi-3, because although the Samsung Galaxy A51 has doesn't have an additional graphics processor, it also counts with a higher number of cores and a larger amount of RAM memory. The Xiaomi Mi-3 has a much better display than Galaxy A51, because although it has a really smaller display and a bit lower resolution of 1920 x 1080, it also counts with a just a bit higher quantity of pixels in each screen inch.
Galaxy A51 counts with a much better storage to install applications and games than Xiaomi Mi-3, because it has 64 GB more internal memory and a slot for an SD memory card that admits a maximum of 512 GB. The Galaxy A51 features a lot better camera than Xiaomi Mi-3, because it has a way more megapixels back facing camera, a way better (4K) video definition and a bigger camera aperture for better low-light captures and videos.
The Samsung Galaxy A51 features longer battery lifetime than Xiaomi Mi-3, because it has 4000mAh of battery capacity against 3050mAh.
The Galaxy A51 not only is the best phones of the ones we are comparing here, but it's also cheaper than the other phone, which makes this phone an easy choice.
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