Compare phones
| Global Score | |
| 76.6 | 79.6 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10 | Android 11, 10, 9.0 Pie |
| 2020-05-20 | 2019-04-10 |
| 6.39 x 3.04 x 0.35 inches | 5.69 x 2.72 x 0.31 inches |
| 7.02 ounces | 4.94 ounces |
| Forest green, Midnight gray and Polar white | Black, Blue, Coral and White |
| Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 283.00 | -- |
| Display / Screen | |
| 6.5 inches | 5.9 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 396 pixels per inch | 437 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8.2 |
| Performance | |
| MediaTek Helio G85 chipset | Exynos 7904 chipset |
| Arm Cortex-A75 and ArmCortex-A55, 64-bit, 12 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 |
| Mali G52 MC2 GPU | Mali-G71 MP2 GPU |
| 9.09 | 8.91 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.02 | 11.74 |
| Camera | |
| 48.00 MP + 13.00 MP | 16.00 MP + 25.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| -- | 27.00mm focal length |
| 0.5 inches (1/2") sensor | 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 | -- |
| 11 | 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 | |
| 5020mAh Li - Polymer Battery | 3100mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 5.12 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| 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 is a little bit better than Xiaomi Redmi Note 9, with a 79.6 score against 76.6. Despite of the fact that Galaxy A40 is older than Xiaomi Redmi Note 9, it's construction is thinner and notably lighter. These phones include Android OS (operating system), but the Galaxy A40 has 11 version while Xiaomi Redmi Note 9 has Android 10 version, so it provides the user some additional features.
The Galaxy A40 features a little more vivid screen than Xiaomi Redmi Note 9, because although it has a little bit smaller display, and they both have an equal resolution of 1080 x 2340px, the Galaxy A40 also counts with a little bit more pixels per inch of display. Xiaomi Redmi Note 9 counts with a bit faster processing unit than Samsung Galaxy A40, although it has lesser RAM memory, they both have a Octa-Core processor.
Galaxy A40 counts with a better storage capacity to store more games and applications than Xiaomi Redmi Note 9, and although they both have equal internal memory capacity, the Galaxy A40 also has a SD extension slot that holds up to 512 GB. Xiaomi Redmi Note 9 shoots better photos and videos than Samsung Galaxy A40, because although it has a smaller aperture, and they both have the same 1920x1080 (Full HD) video quality and the same video frame rate, the Xiaomi Redmi Note 9 also counts with a lot bigger sensor and a way more mega-pixels back camera.
The Xiaomi Redmi Note 9 counts with a much better battery lifetime than Galaxy A40, because it has a 5020mAh battery size.
Disclaimer: As an Amazon Associate I earn from qualifying purchases.