Compare phones
| Global Score | |
| 75.2 | 79.6 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 4.4.3 | Android 11, 10, 9.0 Pie |
| 2014-07-22 | 2019-04-10 |
| 5.48 x 2.70 x 0.35 inches | 5.69 x 2.72 x 0.31 inches |
| 5.26 ounces | 4.94 ounces |
| Black and White | Black, Blue, Coral and White |
| -- | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 329.00 | -- |
| Display / Screen | |
| 5 inches | 5.9 inches |
| 1080 x 1920 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 441 pixels per inch | 437 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 801 8974-AC chipset | Exynos 7904 chipset |
| Qualcomm Krait 400 (Quad-Core 2500 MHz) processor | ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Adreno 330 (450 MHz) GPU | Mali-G71 MP2 GPU |
| 9.36 | 8.91 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 7.7 | 11.74 |
| Camera | |
| 13.00 MP + 8.00 MP | 16.00 MP + 25.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| -- | 27.00mm focal length |
| 0.33 inches (1/3.06") 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 |
| 1920 x 1080 (60 fps) (Full HD) slow motion video | -- |
| 9.79 | 9.46 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| SIM | Nano SIM, Dual SIM |
| 7 | 6.7 |
| Battery Life | |
| 3080mAh Li-Polymer Battery | 3100mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.04 | 5.12 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy A40 has an overall score of 79.6, which is a little bit better than Xiaomi Mi 4's overall score of 75.2. Samsung Galaxy A40's construction is incredibly newer, a little bit lighter and thinner than the Xiaomi Mi 4. Both of these devices have Android OS (operating system), but the Samsung Galaxy A40 has older 11 version and Xiaomi Mi 4 has Android 4.4.3 version.
Xiaomi Mi 4 features a bit better processing unit than Galaxy A40, because although it has 4 lesser processing cores and 1 GB less RAM, it also counts with an extra graphics processor. Xiaomi Mi 4 counts with a brighter screen than Galaxy A40, because although it has a little smaller display and a bit worse 1920 x 1080 resolution, it also counts with a just a little more pixels per inch of screen.
Xiaomi Mi 4 shoots a bit better photos and videos than Samsung Galaxy A40, because although it has a back camera with a lower 13 megapixels resolution, a smaller camera aperture which is not favorable for shooting images in low light environments and a tinier sensor shooting lower quality videos and images, it also counts with a lot better 3840x2160 video definition.
The Galaxy A40 features a much better storage capacity to store more games and applications than Xiaomi Mi 4, and although they both have equal 64 GB internal storage, the Galaxy A40 also has a slot for an SD memory card that admits a maximum of 512 GB. The Samsung Galaxy A40 has a bit longer battery performance than Xiaomi Mi 4, because it has 3100mAh of battery capacity instead of 3080mAh.
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