Compare phones
| Global Score | |
| 71.8 | 79.6 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 6.0 Marshmallow | Android 11, 10, 9.0 Pie |
| 2017-02-14 | 2019-04-10 |
| 5.94 x 2.99 x 0.33 inches | 5.69 x 2.72 x 0.31 inches |
| 5.82 ounces | 4.94 ounces |
| 16 777 216 | Black, Blue, Coral and White |
| Metal | Plastic and Plastic |
| -- | Scratch-Resistant Glass |
| $ 145.00 | -- |
| Display / Screen | |
| 5.5 inches | 5.9 inches |
| 1920 x 1080 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 401 pixels per inch | 437 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.2 |
| Performance | |
| Qualcomm Snapdragon 625 8953 chipset | Exynos 7904 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 2000 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 506 GPU | Mali-G71 MP2 GPU |
| 9.09 | 8.91 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.12 | 11.74 |
| Camera | |
| 13.00 MP + 5.00 MP | 16.00 MP + 25.00 MP |
| f/2.00 aperture | f/1.70 aperture |
| -- | 27.00mm focal length |
| -- | 0.36 inches (1/2.8") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | -- |
| 9.02 | 9.46 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G) and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 4100mAh Li - Polymer Battery | 3100mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6 | 5.12 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
Comparison review
Samsung Galaxy A40 has a general score of 79.6, which is much better than the Xiaomi Redmi Note 4X's 71.8 score. Samsung Galaxy A40 is a much newer cellphone, and it's also just a little bit thinner and somewhat lighter than Xiaomi Redmi Note 4X. Both of these phones have Android OS (Operating System), but Samsung Galaxy A40 has older 11 version and Xiaomi Redmi Note 4X has Android 6.0 Marshmallow.
Xiaomi Redmi Note 4X features a bit more powerful processing unit than Galaxy A40, although it has lesser RAM, they both have the same number of cores. The Galaxy A40 counts with a little sharper screen than Xiaomi Redmi Note 4X, because it has a little bigger screen, a little higher pixels density and a slightly better 1080 x 2340 resolution.
The Galaxy A40 counts with a bit better camera than Xiaomi Redmi Note 4X, and although they both have the same 30 fps video frame rate and the same video quality, the Galaxy A40 also has a back facing camera with a better 16 mega-pixels resolution and a larger aperture to capture better images in poorly lited environments.
Galaxy A40 features a very superior memory for apps and games than Xiaomi Redmi Note 4X, because it has 64 GB internal memory capacity and an external memory slot that supports a maximum of 512 GB. Xiaomi Redmi Note 4X features greater battery life than Galaxy A40, because it has 4100mAh of battery capacity against 3100mAh.
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