Compare phones
| Global Score | |
| 74.1 | 98.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 12 | Android 11 |
| 2022-06-23 | 2021-01-29 |
| 6.44 x 2.93 x 0.35 inches | 6.50 x 2.98 x 0.35 inches |
| 7.05 ounces | 8.04 ounces |
| Blue. Black and Silver | Phantom black and Silver |
| Plastic | Aluminum and Glass (Corning Gorilla Glass Victus) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 966.00 |
| Display / Screen | |
| 6.6 inches | 6.8 inches |
| 2460 x 1080 pixels | 3200 x 1440 pixels |
| IPS LCD | Dynamic AMOLED |
| 407 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| No touch screen | No touch screen |
| 7.5 | 9.8 |
| Performance | |
| MediaTek Dimensity 8100 SM8250- (5 nm) chipset | Qualcomm Snapdragon 888 chipset |
| processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 8 GB RAM | 12 GB RAM |
| Mali-G610 MC6 GPU | Adreno 660 GPU |
| 6.21 | 9.72 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 64.00 MP + 16.00 MP | 108.00 MP + 40.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| -- | 24.00mm focal length |
| 0.25 inches (1/4") 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 |
| 9.68 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM |
| 10.7 | 10.7 |
| Battery Life | |
| 5080mAh Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth 5.3 | Bluetooth 5.1 |
| 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
The Galaxy S21 Ultra has a score of 98.1, which is way better than Xiaomi Poco X4 GT's score of 74.1. Galaxy S21 Ultra is a heavier phone than Xiaomi Poco X4 GT, but both of them have the same thickness. Both phones in this comparison use Android OS, but Galaxy S21 Ultra has older 11 version and Xiaomi Poco X4 GT has Android 12 version.
The Galaxy S21 Ultra has a much more vibrant display than Xiaomi Poco X4 GT, because it has a higher pixel number per inch of screen, a bit larger screen and a higher resolution of 1440 x 3200 pixels. The Galaxy S21 Ultra counts with a lot better hardware performance than Xiaomi Poco X4 GT, and although they both have the same number of cores, the Galaxy S21 Ultra also has a larger amount of RAM memory.
Galaxy S21 Ultra's memory to store more apps and games is just as good as the Xiaomi Poco X4 GT one, both have equal internal storage capacity. The Samsung Galaxy S21 Ultra has a lot better camera than Xiaomi Poco X4 GT, because it has a larger diafragm aperture for better low light photos and videos, a lot better video definition, a much more megapixels back camera and a way larger back-facing camera sensor.
Galaxy S21 Ultra features a battery duration that is very similar to the battery duration in Xiaomi Poco X4 GT, although the Galaxy S21 Ultra has just 5000mAh of battery capacity.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.