Compare phones
| Global Score | |
| 79.6 | 84.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 11, 10, 9.0 Pie | Android 14 |
| 2019-04-10 | 2024-07-19 |
| 5.69 x 2.72 x 0.31 inches | 6.28 x 5.64 x 0.18 inches |
| 4.94 ounces | 7.97 ounces |
| Black, Blue, Coral and White | Black, Blue and White |
| Plastic and Plastic | Aluminum and Glass |
| Scratch-Resistant Glass | -- |
| Display / Screen | |
| 5.9 inches | 8 inches |
| 2340 x 1080 pixels | 2488 x 2224 pixels |
| Super AMOLED | AMOLED |
| 437 pixels per inch | 417 pixels per inch |
| -- | 3000 cd/m2 brightness |
| No touch screen | No touch screen |
| 8.2 | 10 |
| Performance | |
| Exynos 7904 chipset | Qualcomm Snapdragon 8 Gen 3 SM8650-AB (4 nm) chipset |
| ARM Cortex-A73 and ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | processor |
| 4 GB RAM | 12 GB RAM |
| Mali-G71 MP2 GPU | Adreno 750 GPU |
| 8.91 | 6.21 |
| Storage | |
| 64 GB internal memory | 256 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 13.3 |
| Camera | |
| 16.00 MP + 25.00 MP | 50.00 MP + 16.00 MP |
| f/1.70 aperture | f/1.70 aperture |
| 27.00mm focal length | 23.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.67 inches (1/1.49") 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 | 12.54 |
| 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 | 5100mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.12 | 6.88 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.4 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Xiaomi Mi Mix Fold 4 has a global score of 84.3, which is slightly better than the Galaxy A40's score of 79.6. These phones use Android OS (Operating System), but Xiaomi Mi Mix Fold 4 has the newer 14 version while Galaxy A40 has Android 11 version, so it gives you a couple nice extra features and performance tweaks. The Xiaomi Mi Mix Fold 4 is a newer and noticeably thinner cellphone than the Galaxy A40, although it's also incredibly heavier.
Xiaomi Mi Mix Fold 4 has a lot better looking display than Samsung Galaxy A40, because although it has a just a bit lower pixels density, it also counts with a much better 2224 x 2488px resolution and a lot bigger display. Xiaomi Mi Mix Fold 4 counts with more memory capacity to store more apps and games than Galaxy A40, because although it has no slot for external memory cards, it also counts with 256 GB internal memory capacity.
Galaxy A40 counts with a much more powerful CPU than Xiaomi Mi Mix Fold 4, although it has a smaller amount of RAM memory, they both have 8 processing cores. Xiaomi Mi Mix Fold 4 counts with a very superior battery performance than Galaxy A40, because it has a 65% larger battery capacity. The Xiaomi Mi Mix Fold 4 features a greater camera than Galaxy A40, and although they both have a F1.7 diafragm aperture, the Xiaomi Mi Mix Fold 4 also has a way larger back-facing camera sensor providing a way better image quality, a way higher 7680x4320 video quality and a lot higher resolution back facing camera.
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