Global Score | |
98.1 | 78 |
Basic Information | |
Samsung | Xiaomi |
Android 11 | -- |
2021-01-29 | 2018-07-27 |
6.50 x 2.98 x 0.35 inches | 6.25 x 2.97 x 0.29 inches |
8.04 ounces | 5.93 ounces |
Phantom black and Silver | Black, Blue, Gold, Pink and Red |
Aluminum and Glass (Corning Gorilla Glass Victus) | Aluminum |
Scratch-Resistant Glass | Scratch-Resistant Glass |
$ 966.00 | -- |
Display / Screen | |
6.8 inches | 6 inches |
3200 x 1440 pixels | 2160 x 1080 pixels |
Dynamic AMOLED | IPS LCD |
516 pixels per inch | 402 pixels per inch |
1500 cd/m2 brightness | -- |
No touch screen | No touch screen |
9.8 | 8.1 |
Performance | |
Qualcomm Snapdragon 888 chipset | Qualcomm Snapdragon 660 SDM660 chipset |
Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
12 GB RAM | 6 GB RAM |
Adreno 660 GPU | Adreno 512 GPU |
9.72 | 9.27 |
Storage | |
128 GB internal memory | 128 GB internal memory |
No SD card slot | No SD card slot |
10.1 | 10.1 |
Camera | |
108.00 MP + 40.00 MP | 12.00 MP + 20.00 MP |
f/1.80 aperture | f/1.80 aperture |
24.00mm focal length | -- |
0.75 inches (1/1.33") sensor | 0.34 inches (1/2.9") 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 (120 fps) (HD) slow motion video |
13.75 | 9.79 |
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 and HSUPA |
Nano SIM | Nano SIM, Dual SIM |
10.7 | 6.3 |
Battery Life | |
5000mAh Li - Polymer Battery | 3010mAh Li - Polymer Battery |
Non-Removable Battery | Non-Removable Battery |
Wireless Charging | -- |
6.8 | 4.96 |
Other Features | |
Bluetooth 5.1 | 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 |
The Galaxy S21 Ultra is a lot better than the Xiaomi Mi A2, with a general score of 98.1 against 78. The Galaxy S21 Ultra body is notably newer than Xiaomi Mi A2's, although it is somewhat thicker and noticeably heavier. Samsung Galaxy S21 Ultra has an incredibly better looking display than Xiaomi Mi A2, because it has a better 1440 x 3200 resolution, a quite bigger display and more pixels per screen inch.
Xiaomi Mi A2 and Samsung Galaxy S21 Ultra have really similar memory for applications, games, photos and videos, both of them have exactly the same internal storage. The Galaxy S21 Ultra counts with a bit faster CPU than Xiaomi Mi A2, and although they both have the same number of cores, the Galaxy S21 Ultra also has a higher amount of RAM.
Galaxy S21 Ultra features a very superior battery lifetime than Xiaomi Mi A2, because it has a 66% larger battery size. Galaxy S21 Ultra counts with a greater camera than Xiaomi Mi A2, and although they both have the same diafragm aperture, the Galaxy S21 Ultra also has a camera with a much better 108 mega pixels resolution, a lot bigger sensor shooting way higher quality videos and pictures and a lot higher video definition.
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