| Global Score | |
| 72.2 | 80.6 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 4.3, 4.2, 4.1, 4.0.4 | Android 14 |
| 2012-06-04 | 2024-10-29 |
| 5.38 x 2.78 x 0.34 inches | 6.00 x 2.80 x 0.32 inches |
| 4.73 ounces | 6.67 ounces |
| Blue, Red and White | -- |
| Polycarbonate | Glass |
| Scratch-Resistant Glass | -- |
| $ 585.00 | -- |
| Display / Screen | |
| 4.8 inches | 6.4 inches |
| 720 x 1280 pixels (HD) | 2670 x 1200 pixels |
| Super AMOLED | OLED |
| 306 pixels per inch | 457 pixels per inch |
| -- | 3200 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 8.2 | 10.2 |
| Performance | |
| Qualcomm Snapdragon S4 Plus MSM8960 chipset | Snapdragon 8 Elite SM8750-AB (3 nm) chipset |
| Krait (Dual-Core 1500 MHz) processor | processor |
| 2 GB (500 MHz) RAM | 12 GB RAM |
| Adreno 225 (400 MHz) GPU | Adreno 830 GPU |
| 8.46 | 6.21 |
| Storage | |
| 16 GB internal memory | 256 GB internal memory |
| microSD, microSDHC, microSDXC (up to 64 GB) external memory slot | No SD card slot |
| 6.16 | 13.3 |
| Camera | |
| 8.00 MP + 1.90 MP | 50.00 MP + 32.00 MP |
| f/2.60 aperture | f/1.60 aperture |
| -- | 23.00mm focal length |
| 0.33 inches (1/3") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (30 fps) video resolution |
| -- | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 8.47 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, UMTS, EDGE, GPRS and GSM | 5G, 5G |
| Micro SIM | Nano SIM |
| 7 | 7 |
| Battery Life | |
| 2100mAh Li-Ion Battery | 5400mAh Battery |
| Removable Battery | Non-Removable Battery |
| Wireless Charging | Wireless Charging |
| 199 hours standby time 8 hours talk time | -- |
| 4 | 7.12 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.4 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| -- | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass and Gyroscope |
Xiaomi 15 has a general score of 80.6, which is better than the Samsung Galaxy S III AT&T's 72.2 overall score. Even though Xiaomi 15 is incredibly heavier than Samsung Galaxy S III AT&T, it's just a little bit thinner and newer. Both devices in our current comparison come with Android OS (Operating System), but Xiaomi 15 has a newer 14 version while Samsung Galaxy S III AT&T has Android 4.3 version.
Xiaomi 15 features a way better display than Samsung Galaxy S III AT&T, because it has a much higher 1200 x 2670 resolution, a higher display density and a much larger display. Xiaomi 15 counts with a much bigger memory capacity to install applications and games than Samsung Galaxy S III AT&T, because although it has no SD memory slot, it also counts with 256 GB internal memory capacity.
The Samsung Galaxy S III AT&T has a very superior hardware performance than Xiaomi 15, because although it has an inferior number of cores and a smaller amount of RAM, it also counts with a GPU. The Xiaomi 15 features a much better battery duration than Samsung Galaxy S III AT&T, because it has 5400mAh of battery capacity against 2100mAh.
Xiaomi 15 shoots a lot better videos and photos than Galaxy S III AT&T, because it has a lot larger camera aperture to take better low light photography and video, a back-facing camera with a lot better resolution and a much better video resolution.
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