Compare phones
| Global Score | |
| 98.9 | 79.2 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 13, 12, 11, 10 | Android 11, 10, 9.0 Pie |
| 2020-08-21 | 2019-07-24 |
| 6.49 x 3.04 x 0.32 inches | 6.04 x 2.83 x 0.33 inches |
| 7.34 ounces | 6.13 ounces |
| Mystic black, Mystic bronze and Mystic white | Blue, Gray and White |
| Glass (Corning Gorilla Glass Victus) and Stainless steel | Glass (Corning Gorilla Glass 5) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 1300.00 | -- |
| Display / Screen | |
| 6.9 inches | 6.1 inches |
| 3088 x 1440 pixels | 1560 x 720 pixels |
| Dynamic AMOLED | Super AMOLED |
| 494 pixels per inch | 282 pixels per inch |
| No touch screen | No touch screen |
| 8.7 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 865+ SM8250-AB (7 nm) chipset | Qualcomm Snapdragon 665 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 3000 MHz) processor | Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 12 GB RAM | 4 GB RAM |
| Adreno 650 GPU | Adreno 610 GPU |
| 9.81 | 9.09 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1000 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 15.38 | 13.18 |
| Camera | |
| 108.00 MP + 10.00 MP | 48.00 MP + 32.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 26.00mm focal length | -- |
| 0.75 inches (1/1.33") sensor | 0.43 inches (1/2.3") sensor |
| 7680 x 4320 (24 fps) 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 |
| 13.64 | 11.44 |
| 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 |
| 10.7 | 6.7 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 4030mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.32 | 5.92 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | FM Radio |
Comparison review
Samsung Galaxy Note 20 Ultra is a lot better than the Xiaomi Mi A3, with a 98.9 score against 79.2. Both phones in this review include Android OS (Operating System), but Samsung Galaxy Note 20 Ultra has the newer 13 version and Xiaomi Mi A3 has Android 11, providing lots of additional features and increased performance. Samsung Galaxy Note 20 Ultra's construction is newer and a little bit thinner than the Xiaomi Mi A3's, but it's somewhat heavier.
Galaxy Note 20 Ultra features a bit more powerful processing unit than Xiaomi Mi A3, and although they both have a Octa-Core processor, the Galaxy Note 20 Ultra also has a greater amount of RAM memory. Galaxy Note 20 Ultra features a brighter screen than Xiaomi Mi A3, because it has way more pixels per display inch, a little larger screen and a way better resolution of 1440 x 3088 pixels.
The Samsung Galaxy Note 20 Ultra counts with a superior camera than Xiaomi Mi A3, and although they both have a same size aperture, the Samsung Galaxy Note 20 Ultra also has a much bigger sensor capturing way better quality photos and videos, a camera with lot more megapixels and a lot higher 7680x4320 video quality.
Galaxy Note 20 Ultra has more memory for apps and games than Xiaomi Mi A3, and although they both have the same internal storage capacity, the Galaxy Note 20 Ultra also has an external memory card slot that holds up to 1000 GB. Galaxy Note 20 Ultra has a bit longer battery lifetime than Xiaomi Mi A3, because it has a 12 percent larger battery size.
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