Compare phones
| Global Score | |
| 80.6 | 79.2 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 14 | -- |
| 2024-10-29 | 2018-01-06 |
| 6.00 x 2.80 x 0.32 inches | 5.87 x 2.78 x 0.33 inches |
| 6.67 ounces | 6.07 ounces |
| -- | Black, Blue, Gold and Orchid grey |
| Glass | Aluminum and Glass (Corning Gorilla Glass 5) |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 5.6 inches |
| 2670 x 1200 pixels | 2220 x 1080 pixels |
| OLED | Super AMOLED |
| 457 pixels per inch | 441 pixels per inch |
| 3200 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 10.2 | 8.3 |
| Performance | |
| Snapdragon 8 Elite SM8750-AB (3 nm) chipset | Samsung Exynos 5 Octa 7885 chipset |
| processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2200 MHz) processor |
| 12 GB RAM | 4 GB RAM |
| Adreno 830 GPU | Mali-G71 GPU |
| 6.21 | 9.18 |
| Storage | |
| 256 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 256 GB) external memory slot |
| 13.3 | 10.78 |
| Camera | |
| 50.00 MP + 32.00 MP | 16.00 MP + 16.00 MP |
| f/1.60 aperture | f/1.70 aperture |
| 23.00mm focal length | -- |
| 7680 x 4320 (30 fps) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | -- |
| 12.1 | 9.24 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 7 | 6.3 |
| Battery Life | |
| 5400mAh Battery | 3000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 7.12 | 4.96 |
| Other Features | |
| Bluetooth 5.4 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass and Gyroscope | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Xiaomi 15 is just a bit better than Samsung Galaxy A8 (2018), having an 80.6 score against 79.2. Xiaomi 15's body is incredibly newer and a little bit thinner than the Samsung Galaxy A8 (2018)'s, although it is also just a little heavier. Xiaomi 15 counts with a much sharper display than Galaxy A8 (2018), because it has a slightly better resolution of 1200 x 2670, a bit bigger screen and a bit better pixels density.
The Galaxy A8 (2018) counts with a much greater performance than Xiaomi 15, although it has a lower amount of RAM memory, they both have the same number of cores. The Xiaomi 15 takes a lot better pictures and videos than Samsung Galaxy A8 (2018), because it has a way better 7680x4320 video quality, a much better resolution back-facing camera and a bigger aperture.
The Xiaomi 15 counts with much more memory capacity for games and applications than Galaxy A8 (2018), because although it has no slot for an external memory card, it also counts with 256 GB internal storage. The Xiaomi 15 counts with a really longer battery duration than Samsung Galaxy A8 (2018), because it has a 5400mAh battery capacity against 3000mAh.
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