Compare phones
| Global Score | |
| 76.7 | 79.6 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 11, 10, 9.0 Pie |
| 2021-05-27 | 2019-04-10 |
| 6.23 x 2.96 x 0.33 inches | 5.69 x 2.72 x 0.31 inches |
| 6.70 ounces | 4.94 ounces |
| Moonlight White, Neptune Blue and Space Black, | Black, Blue, Coral and White |
| Glass and Plastic | Plastic and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.3 inches | 5.9 inches |
| 2340 x 1080 pixels | 2340 x 1080 pixels |
| IPS LCD | Super AMOLED |
| 409 pixels per inch | 437 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.2 |
| Performance | |
| MediaTek Helio G85 MT6769Z chipset | Exynos 7904 chipset |
| Cortex-A75, 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 |
| 4 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 HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.6 | 6.7 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 3100mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 5.12 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | 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 Samsung Galaxy A40 is a little bit better than Xiaomi Redmi Note 8 2021, with a 79.6 score against 76.7. The Samsung Galaxy A40 body is notably lighter and just a little bit thinner than the Xiaomi Redmi Note 8 2021, although it was released many years before. These devices come with the same Android 11 OS (Operating System).
The Xiaomi Redmi Note 8 2021 counts with a little bit better processing power than Samsung Galaxy A40. They have 8 processing cores and 4 GB of RAM. Galaxy A40 features a slightly better looking screen than Xiaomi Redmi Note 8 2021, because although it has a quite smaller screen, and they both have the same 1080 x 2340px resolution, the Galaxy A40 also counts with a just a bit higher pixels density.
The Galaxy A40 features a bigger storage for games and applications than Xiaomi Redmi Note 8 2021, and although they both have exactly the same internal storage capacity, the Galaxy A40 also has an external SD slot that holds up to 512 GB. Xiaomi Redmi Note 8 2021 features superior battery duration than Galaxy A40, because it has a 29 percent larger battery size.
Xiaomi Redmi Note 8 2021 shoots better photographs and videos than Galaxy A40, because although it has a tinier aperture which is not favorable for low light photography and videos, and they both have the same 1920x1080 (Full HD) video quality and the same 30 fps video frame rate, the Xiaomi Redmi Note 8 2021 also counts with a camera in the back with way more MP and a much larger sensor which gives a much higher image and video quality.
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