Compare phones
| Global Score | |
| 83.3 | 79.6 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10, 9.0 Pie, 8.0 Oreo | Android 11, 10, 9.0 Pie |
| 2018-06-05 | 2019-04-10 |
| 6.10 x 2.94 x 0.30 inches | 5.69 x 2.72 x 0.31 inches |
| 6.17 ounces | 4.94 ounces |
| Black, Blue, Gold and White | Black, Blue, Coral and White |
| Glass (Corning Gorilla Glass 5) | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.2 inches | 5.9 inches |
| 2248 x 1080 pixels | 2340 x 1080 pixels |
| AMOLED | Super AMOLED |
| 402 pixels per inch | 437 pixels per inch |
| 600 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.6 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 845 SDM845 chipset | Exynos 7904 chipset |
| Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 630 GPU | Mali-G71 MP2 GPU |
| 9.63 | 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 | |
| 12.00 MP + 20.00 MP | 16.00 MP + 25.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| 56.00mm focal length | 27.00mm focal length |
| 0.39 inches (1/2.55") sensor | 0.36 inches (1/2.8") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | -- |
| 9.9 | 9.46 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3400mAh Li - Polymer Battery | 3100mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.36 | 5.12 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| 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 Xiaomi Mi 8 is a bit better than the Galaxy A40, with an 83.3 score against 79.6. Although the Xiaomi Mi 8 is older and heavier than Galaxy A40, it's body is still a little thinner. These devices come with Android operating system, but the Xiaomi Mi 8 has older 10 version and Galaxy A40 has Android 11 version.
Xiaomi Mi 8 has a bit more vivid screen than Galaxy A40, because although it has a little worse 1080 x 2248 resolution and a just a little less pixels per display inch, it also counts with a bit bigger display. The Xiaomi Mi 8 features a bit better performance than Galaxy A40, and although they both have a Octa-Core processing unit, the Xiaomi Mi 8 also has 2 GB more RAM.
The Xiaomi Mi 8 shoots a little bit better photos and videos than Samsung Galaxy A40, because although it has a tinier aperture and a much worse resolution back-facing camera, it also counts with a lot higher 3840x2160 video quality and a bigger sensor shooting higher quality videos and pictures.
The Xiaomi Mi 8 has a greater storage capacity for apps and games than Galaxy A40, because although it has no SD memory slot, it also counts with more internal storage capacity. Xiaomi Mi 8 has a little better battery duration than Samsung Galaxy A40, because it has a 10 percent larger battery size.
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