Compare phones
| Global Score | |
| 90.7 | 79.2 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 14 | Android 11, 10, 9.0 Pie |
| -- | 2019-07-24 |
| -- | 6.04 x 2.83 x 0.33 inches |
| -- | 6.13 ounces |
| -- | Blue, Gray and White |
| Glass (Corning Gorilla Glass) and Titanium | Glass (Corning Gorilla Glass 5) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.8 inches | 6.1 inches |
| 3088 x 1440 pixels | 1560 x 720 pixels |
| Dynamic AMOLED | Super AMOLED |
| 501 pixels per inch | 282 pixels per inch |
| 2600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 10.2 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 8 Gen 4 chipset | Qualcomm Snapdragon 665 chipset |
| processor | Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 12 GB RAM | 4 GB RAM |
| Yes GPU | Adreno 610 GPU |
| 6.21 | 9.09 |
| Storage | |
| 256 GB internal memory | 128 GB internal memory |
| No SD card slot | microSDXC (up to 256 GB) external memory slot |
| 13.3 | 13.18 |
| Camera | |
| 200.00 MP + 12.00 MP | 48.00 MP + 32.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 24.00mm focal length | -- |
| 0.77 inches (1/1.3") sensor | 0.43 inches (1/2.3") sensor |
| 7680 x 4320 (30 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 14.74 | 11.44 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | 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 |
| 10.6 | 6.7 |
| Battery Life | |
| 5000mAh Li - Ion Battery | 4030mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 6.8 | 5.92 |
| Other Features | |
| Bluetooth 5.3 | 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 |
Comparison review
The Galaxy S25 Ultra has a general score of 90.7, which is much better than the Xiaomi Mi A3's 79.2 score. These phones include Android OS (operating system), but the Galaxy S25 Ultra has newer 14 version and Xiaomi Mi A3 has Android 11 version. The Galaxy S25 Ultra body is way thinner and noticeably lighter than the Xiaomi Mi A3.
Xiaomi Mi A3 counts with a very superior hardware performance than Galaxy S25 Ultra, although it has lesser RAM, they both have a Octa-Core processor. The Galaxy S25 Ultra counts with an incredibly better looking screen than Xiaomi Mi A3, because it has a much higher display pixel density, a much higher resolution of 1440 x 3088 and a bit bigger screen.
Samsung Galaxy S25 Ultra features a slightly bigger memory capacity for games and applications than Xiaomi Mi A3, because although it has no slot for an external memory card, it also counts with more internal memory capacity. The Galaxy S25 Ultra has a very superior camera than Xiaomi Mi A3, because it has a way more mega pixels back facing camera, a lot bigger back-facing camera sensor, a larger aperture and a way higher video definition.
Galaxy S25 Ultra has improved battery lifetime than Xiaomi Mi A3, because it has 5000mAh of battery capacity.
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