Compare phones
| Global Score | |
| 90.8 | 76 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10 | Android 6.0 Marshmallow |
| 2020-04-29 | 2016-11-01 |
| 6.26 x 2.90 x 0.34 inches | 6.15 x 3.04 x 0.30 inches |
| 6.60 ounces | 5.86 ounces |
| Prism cube black | Black and Silver |
| Aluminum and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | -- |
| $ 339.00 | $ 516.00 |
| Display / Screen | |
| 6.5 inches | 5.7 inches |
| 2400 x 1080 pixels | 1920 x 1080 pixels (Full HD) |
| Super AMOLED | OLED |
| 405 pixels per inch | 386 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 7.9 |
| Performance | |
| Samsung Exynos 980 chipset | Qualcomm Snapdragon 821 MSM8996 Pro chipset |
| ARM Cortex-A77 and ARM Cortex-A55, 64-bit, 8 nm (Octa-Core 2200 MHz) processor | Kryo, 64-bit (Quad-Core 2350 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Mali-G76 MP5 GPU | Adreno 530 GPU |
| 9.27 | 9.09 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | No SD card slot |
| 15.38 | 10.1 |
| Camera | |
| 48.00 MP + 32.00 MP | 23.00 MP + 8.00 MP |
| f/2.00 aperture | f/2.00 aperture |
| 26.00mm focal length | -- |
| 0.5 inches (1/2") sensor | 0.38 inches (1/2.6") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (4K) video resolution |
| 1280 x 720 (480 fps) (HD) slow motion video | -- |
| 11.55 | 8.69 |
| Networks | |
| Wi-Fi | Wi-Fi |
| 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 | 6.1 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 4070mAh Li - Ion Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 6 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.2 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Samsung Galaxy A51 5G is better than Xiaomi Mi Note 2, getting a 90.8 score against 76. Even though the Samsung Galaxy A51 5G is extremely newer than Xiaomi Mi Note 2, it is thicker and heavier. Both phones in this comparison review include Android OS (Operating System), but the Samsung Galaxy A51 5G has 11 version while Xiaomi Mi Note 2 has Android 6.0 Marshmallow.
The Galaxy A51 5G features a bit more powerful processing unit than Xiaomi Mi Note 2, and although they both have a 6 GB RAM, the Galaxy A51 5G also has 4 more cores. Samsung Galaxy A51 5G has a little bit better screen than Xiaomi Mi Note 2, because it has a slightly better resolution of 1080 x 2400, a little bit bigger display and a just a little better pixel density.
Galaxy A51 5G has a way bigger memory capacity to install applications and games or saving photos and videos than Xiaomi Mi Note 2, and although they both have exactly the same 128 GB internal storage capacity, the Galaxy A51 5G also has a slot for external memory cards that admits up to 1000 GB. Galaxy A51 5G shoots greater photographs and videos than Xiaomi Mi Note 2, and although they both have the same (4K) video resolution, a F2 diafragm aperture and the same video frame rate, the Galaxy A51 5G also has a back-facing camera with much more MP and a lot bigger camera sensor capturing more light and vivid colors.
The Samsung Galaxy A51 5G has a bit better battery performance than Xiaomi Mi Note 2, because it has 4500mAh of battery capacity against 4070mAh.
Samsung Galaxy A51 5G is not only the best phones of the ones in this comparison, but it's also by far the cheapest one.
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