Compare phones
| Global Score | |
| 90.5 | 76.7 |
| Basic Information | |
| Sony | Xiaomi |
| Android 11 | Android 11 |
| 2021-04-14 | 2021-05-27 |
| 6.18 x 2.68 x 0.32 inches | 6.23 x 2.96 x 0.33 inches |
| 5.96 ounces | 6.70 ounces |
| Black, Green and Pink | Moonlight White, Neptune Blue and Space Black, |
| Glass (Corning Gorilla Glass 6) and Metal | Glass and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| Display / Screen | |
| 6.1 inches | 6.3 inches |
| 2520 x 1080 pixels | 2340 x 1080 pixels |
| OLED | IPS LCD |
| 449 pixels per inch | 409 pixels per inch |
| No touch screen | No touch screen |
| 8.4 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 chipset | MediaTek Helio G85 MT6769Z chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Adreno 660 GPU | Mali G52 MC2 GPU |
| 9.63 | 9.09 |
| Storage | |
| 256 GB internal memory | 64 GB internal memory |
| microSDXC (up to 1 TB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 18.62 | 10.02 |
| Camera | |
| 12.00 MP + 8.00 MP | 48.00 MP + 13.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 24.00mm focal length | -- |
| 0.59 inches (1/1.7") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (120 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1920 x 1080 (240 fps) (Full HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 10.89 | 11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G) and HSPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA |
| Nano SIM | Nano SIM |
| 10.1 | 6.6 |
| Battery Life | |
| 4500mAh Nano SIM Battery | 4000mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 5.92 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.2 |
| 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 |
Comparison review
Sony Xperia 5 III has a global score of 90.5, which is better than the Xiaomi Redmi Note 8 2021's 76.7 score. Even when Sony Xperia 5 III and the Xiaomi Redmi Note 8 2021 were only released with a couple of months difference, Sony Xperia 5 III is a little bit thinner and lighter. These phones use the same Android 11 OS (operating system), so both should provide identical OS features.
Xperia 5 III counts with a bit more vivid screen than Xiaomi Redmi Note 8 2021, because although it has a bit smaller screen, it also counts with a little bit higher 1080 x 2520 pixels resolution and a little more pixels per inch of display. The Sony Xperia 5 III has a very superior memory to store more apps and games than Xiaomi Redmi Note 8 2021, because it has a SD extension slot that admits a maximum of 1 TB and 192 GB more internal storage capacity.
The Xperia 5 III counts with a bit superior processor than Xiaomi Redmi Note 8 2021, and although they both have a Octa-Core CPU, the Xperia 5 III also has a greater amount of RAM. The Xperia 5 III counts with a bit superior battery performance than Xiaomi Redmi Note 8 2021, because it has a 13% larger battery size.
Xiaomi Redmi Note 8 2021 captures a little bit better photographs and videos than Xperia 5 III, because although it has a smaller sensor which offers a lower photo and video quality, a tinier aperture which is not nice for shooting photographs and videos in poorly lited environments and lower video frame rates, and they both have the same 1920x1080 video quality, the Xiaomi Redmi Note 8 2021 also counts with a camera in the back with a way higher 48 mega-pixels resolution.
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