Compare phones
| Global Score | |
| 76 | 98.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 6.0 Marshmallow | Android 11 |
| 2016-11-01 | 2021-01-29 |
| 6.15 x 3.04 x 0.30 inches | 6.50 x 2.98 x 0.35 inches |
| 5.86 ounces | 8.04 ounces |
| Black and Silver | Phantom black and Silver |
| Aluminum and Glass | Aluminum and Glass (Corning Gorilla Glass Victus) |
| -- | Scratch-Resistant Glass |
| $ 516.00 | $ 966.00 |
| Display / Screen | |
| 5.7 inches | 6.8 inches |
| 1920 x 1080 pixels (Full HD) | 3200 x 1440 pixels |
| OLED | Dynamic AMOLED |
| 386 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.9 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 821 MSM8996 Pro chipset | Qualcomm Snapdragon 888 chipset |
| Kryo, 64-bit (Quad-Core 2350 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 12 GB RAM |
| Adreno 530 GPU | Adreno 660 GPU |
| 9.09 | 9.72 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 23.00 MP + 8.00 MP | 108.00 MP + 40.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| -- | 24.00mm focal length |
| 0.38 inches (1/2.6") sensor | 0.75 inches (1/1.33") sensor |
| 3840 x 2160 (4K) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 8.69 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | 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 |
| 6.1 | 10.7 |
| Battery Life | |
| 4070mAh Li - Ion Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6 | 6.8 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy S21 Ultra is much better than Xiaomi Mi Note 2, having a 98.1 score against 76. The Samsung Galaxy S21 Ultra is a newer cellphone than Xiaomi Mi Note 2, but it's notably heavier and somewhat thicker. Both devices in this review include Android operating system, but Samsung Galaxy S21 Ultra has the previous 11 version and Xiaomi Mi Note 2 has Android 6.0 Marshmallow version.
The Galaxy S21 Ultra features a bit better processing power than Xiaomi Mi Note 2, because it has 4 more processing cores and a higher amount of RAM memory. The Galaxy S21 Ultra has a way better looking display than Xiaomi Mi Note 2, because it has a greater pixel density, a much higher 1440 x 3200 resolution and a larger display.
Xiaomi Mi Note 2 and Samsung Galaxy S21 Ultra feature extremely similar memory capacity to store more games and applications, both have the same internal memory. Samsung Galaxy S21 Ultra features longer battery lifetime than Xiaomi Mi Note 2, because it has 5000mAh of battery capacity against 4070mAh.
Galaxy S21 Ultra shoots a lot better videos and photos than Xiaomi Mi Note 2, because it has a bigger diafragm aperture for better low light photography and video, a way higher video definition, a much larger sensor taking more light and vivid colors and a back camera with a lot better 108 mega pixels resolution.
The Samsung Galaxy S21 Ultra is way more expensive than Xiaomi Mi Note 2, but it's still a great choice, as you can get a better phone for that extra money.
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