Compare phones
| Global Score | |
| 80.1 | 77.7 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 15 | Android 10 |
| -- | 2020-06-19 |
| -- | 6.44 x 2.96 x 0.35 inches |
| -- | 6.77 ounces |
| -- | Black, Blue, Red and White |
| Display / Screen | |
| 6.7 inches | 6.5 inches |
| -- | 1600 x 720 pixels |
| AMOLED | TFT |
| -- | 270 pixels per inch |
| 3000 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 5 | 7.2 |
| Performance | |
| Qualcomm Snapdragon 8 Elite SM8750-AB (4 nm) chipset | Samsung Exynos 850 chipset |
| processor | Arm Cortex-A55, 64-bit (Octa-Core 2000 MHz) processor |
| 16 GB RAM | 3 GB RAM |
| Adreno 830 GPU | Mali-G76 GPU |
| 6.3 | 9.09 |
| Storage | |
| 512 GB internal memory | 32 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 17.6 | 9.84 |
| Camera | |
| 200.00 MP + 32.00 MP | 48.00 MP + 13.00 MP |
| -- | f/2.00 aperture |
| -- | 26.00mm focal length |
| -- | 0.5 inches (1/2") sensor |
| 7680 x 4320 (30 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (1920 fps) (Full HD) slow motion video | -- |
| 12.87 | 10.78 |
| Networks | |
| -- | Wi-Fi |
| -- | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 7.6 | 6.7 |
| Battery Life | |
| 6000mAh Si - Carbon Battery | 5000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 7.52 | 6.8 |
| Other Features | |
| Bluetooth 5.4 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope and Proximity Sensor |
Comparison review
The Xiaomi 15 Ultra (Rumored) has an overall score of 80.1, which is a little bit better than Samsung Galaxy A21s's 77.7 score. Xiaomi 15 Ultra (Rumored) is a way lighter and incredibly thinner phone than Samsung Galaxy A21s. Both phones in this comparison include Android OS (operating system), but Xiaomi 15 Ultra (Rumored) has a newer 15 version and Samsung Galaxy A21s has Android 10 version.
The Galaxy A21s counts with a much powerful processor than Xiaomi 15 Ultra (Rumored), although it has a smaller amount of RAM memory, they both have the same number of cores. Galaxy A21s features a way better looking screen than Xiaomi 15 Ultra (Rumored), although it has a quite smaller screen. Xiaomi 15 Ultra (Rumored) features a lot bigger memory to install applications and games than Samsung Galaxy A21s, because although it has no SD memory card expansion slot, it also counts with 512 GB internal storage capacity.
Xiaomi 15 Ultra (Rumored) has a much better camera than Galaxy A21s, because it has a back facing camera with way more mega-pixels and a lot better video definition. Xiaomi 15 Ultra (Rumored) has better battery duration than Galaxy A21s, because it has 6000mAh of battery capacity.
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