Compare phones
| Global Score | |
| 76.7 | 90.5 |
| Basic Information | |
| Xiaomi | Sony |
| Android 11 | Android 11 |
| 2021-05-27 | 2021-04-14 |
| 6.23 x 2.96 x 0.33 inches | 6.18 x 2.68 x 0.32 inches |
| 6.70 ounces | 5.96 ounces |
| Moonlight White, Neptune Blue and Space Black, | Black, Green and Pink |
| Glass and Plastic | Glass (Corning Gorilla Glass 6) and Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.3 inches | 6.1 inches |
| 2340 x 1080 pixels | 2520 x 1080 pixels |
| IPS LCD | OLED |
| 409 pixels per inch | 449 pixels per inch |
| No touch screen | No touch screen |
| 8.1 | 8.4 |
| Performance | |
| MediaTek Helio G85 MT6769Z chipset | Qualcomm Snapdragon 888 SM8350 chipset |
| Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 4 GB RAM | 8 GB RAM |
| Mali G52 MC2 GPU | Adreno 660 GPU |
| 9.09 | 9.63 |
| Storage | |
| 64 GB internal memory | 256 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 1 TB) external memory slot |
| 10.02 | 18.62 |
| Camera | |
| 48.00 MP + 13.00 MP | 12.00 MP + 8.00 MP |
| f/1.80 aperture | f/1.70 aperture |
| -- | 24.00mm focal length |
| 0.5 inches (1/2") sensor | 0.59 inches (1/1.7") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (120 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1920 x 1080 (240 fps) (Full HD) slow motion video |
| 11 | 10.89 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA | 5G, 5G, LTE-A (4G), LTE (4G) and HSPA |
| Nano SIM | Nano SIM |
| 6.6 | 10.1 |
| Battery Life | |
| 4000mAh Li - Polymer Battery | 4500mAh Nano SIM Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.92 | 6.32 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.2 |
| GPS | GPS |
| -- | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Sony Xperia 5 III is better than the Xiaomi Redmi Note 8 2021, with a 90.5 score against 76.7. Both of these devices use the same Android 11 OS (operating system). Even when the Sony Xperia 5 III and Xiaomi Redmi Note 8 2021 were released with only a few months difference, the Sony Xperia 5 III is somewhat lighter and a little thinner.
Xperia 5 III features a bit more vivid display than Xiaomi Redmi Note 8 2021, because although it has a quite smaller display, it also counts with a little more pixels per inch of screen and a quite better resolution of 1080 x 2520px. The Xperia 5 III has a much bigger memory capacity to store more games and applications than Xiaomi Redmi Note 8 2021, because it has 192 GB more internal memory capacity and an external memory slot that admits up to 1 TB.
The Sony Xperia 5 III has just a bit better hardware performance than Xiaomi Redmi Note 8 2021, and although they both have a Octa-Core processing unit, the Sony Xperia 5 III also has a larger amount of RAM memory. Xiaomi Redmi Note 8 2021 counts with just a bit better camera than Sony Xperia 5 III, because although it has a tinier aperture, worse video frame rates and a smaller camera sensor taking lower quality videos and images, and they both have the same 1920x1080 video definition, the Xiaomi Redmi Note 8 2021 also counts with a back-facing camera with a lot better resolution.
The Xperia 5 III counts with a little better battery life than Xiaomi Redmi Note 8 2021, because it has 4500mAh of battery capacity.
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