Compare phones
| Global Score | |
| 79.6 | 77.8 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10, 9.0 Pie | Android 11 |
| 2019-04-10 | 2022-03-15 |
| 5.69 x 2.72 x 0.31 inches | 6.01 x 2.75 x 0.32 inches |
| 4.94 ounces | 6.21 ounces |
| Black, Blue, Coral and White | Blue, Grey and Purple |
| Plastic and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 5.9 inches | 6.3 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | AMOLED |
| 437 pixels per inch | 418 pixels per inch |
| -- | 1100 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.2 | 8.9 |
| Performance | |
| Exynos 7904 chipset | Qualcomm Snapdragon 870 SM8250-AC (7 nm) chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | processor |
| 4 GB RAM | 8 GB RAM |
| Mali-G71 MP2 GPU | Adreno 650 GPU |
| 8.91 | 6.21 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 10.1 |
| Camera | |
| 16.00 MP + 25.00 MP | 50.00 MP + 32.00 MP |
| f/1.70 aperture | f/1.90 aperture |
| 27.00mm focal length | 50.00mm focal length |
| 0.36 inches (1/2.8") sensor | -- |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 7680 x 4320 (24 fps) video resolution |
| -- | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 9.46 | 11.88 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 10.6 |
| Battery Life | |
| 3100mAh Li - Polymer Battery | 4500mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.12 | 6.32 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.1 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy A40 has a general score of 79.6, which is slightly better than the Xiaomi 12X's general score of 77.8. Despite of the fact that the Galaxy A40 is extremely older than Xiaomi 12X, it's body is incredibly lighter and just a bit thinner. Both of these phones use the same Android 11 OS (Operating System).
Galaxy A40 features a much better performing processor than Xiaomi 12X, although it has less RAM, they both have 8 cpu cores. The Xiaomi 12X has a little more vivid display than Galaxy A40, because although it has a just a little worse number of pixels per inch of screen, it also counts with a slightly better 1080 x 2400 resolution and a little larger display.
The Galaxy A40 features a greater storage capacity for applications and games than Xiaomi 12X, because although it has just 64 GB internal storage capacity, it also counts with an external memory card slot that admits a maximum of 512 GB. The Xiaomi 12X captures way better photographs and videos than Galaxy A40, because although it has a tinier diafragm aperture which is worse for taking images or video in poorly lited situations, it also counts with a much higher video definition and a much more mega pixels back camera.
The Xiaomi 12X features a really longer battery duration than Galaxy A40, because it has 4500mAh of battery capacity.
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