Compare phones
| Global Score | |
| 80.6 | 79.6 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 14 | Android 11, 10, 9.0 Pie |
| 2024-10-29 | 2019-04-10 |
| 6.00 x 2.80 x 0.32 inches | 5.69 x 2.72 x 0.31 inches |
| 6.67 ounces | 4.94 ounces |
| -- | Black, Blue, Coral and White |
| Glass | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.4 inches | 5.9 inches |
| 2670 x 1200 pixels | 2340 x 1080 pixels |
| OLED | Super AMOLED |
| 457 pixels per inch | 437 pixels per inch |
| 3200 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 10.2 | 8.2 |
| Performance | |
| Snapdragon 8 Elite SM8750-AB (3 nm) chipset | Exynos 7904 chipset |
| processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 12 GB RAM | 4 GB RAM |
| Adreno 830 GPU | Mali-G71 MP2 GPU |
| 6.21 | 8.91 |
| Storage | |
| 256 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 13.3 | 11.74 |
| Camera | |
| 50.00 MP + 32.00 MP | 16.00 MP + 25.00 MP |
| f/1.60 aperture | f/1.70 aperture |
| 23.00mm focal length | 27.00mm focal length |
| -- | 0.36 inches (1/2.8") sensor |
| 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 | 9.46 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 7 | 6.7 |
| Battery Life | |
| 5400mAh Battery | 3100mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 7.12 | 5.12 |
| 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, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
The Xiaomi 15 has a score of 80.6, which is a little bit better than the Galaxy A40's 79.6 overall score. Both of these phones use Android operating system, but Xiaomi 15 has 14 version and Galaxy A40 has Android 11 version. Although the Xiaomi 15 is way newer than Galaxy A40, it is just a little thicker and much heavier.
The Xiaomi 15 features a much sharper screen than Samsung Galaxy A40, because it has a quite better 1200 x 2670 resolution, a little bigger screen and a just a bit greater amount of pixels in each display inch. Samsung Galaxy A40 counts with a way better processing power than Xiaomi 15, although it has a smaller amount of RAM, they both have the same number of cores.
Xiaomi 15 counts with a quite bigger storage capacity to store more apps and games than Samsung Galaxy A40, because although it has no external memory card slot, it also counts with 256 GB internal storage. Xiaomi 15 counts with a much longer battery life than Galaxy A40, because it has a 5400mAh battery capacity.
The Xiaomi 15 takes a lot better photos and videos than Galaxy A40, because it has a larger diafragm aperture for better low-light captures and video, a way higher 7680x4320 video quality and a back facing camera with way more mega pixels.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.