Compare phones
| Global Score | |
| 90.5 | 76.6 |
| Basic Information | |
| Sony | Xiaomi |
| Android 11 | Android 10 |
| 2021-04-14 | 2020-05-20 |
| 6.18 x 2.68 x 0.32 inches | 6.39 x 3.04 x 0.35 inches |
| 5.96 ounces | 7.02 ounces |
| Black, Green and Pink | Forest green, Midnight gray and Polar white |
| Glass (Corning Gorilla Glass 6) and Metal | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 283.00 |
| Display / Screen | |
| 6.1 inches | 6.5 inches |
| 2520 x 1080 pixels | 2340 x 1080 pixels |
| OLED | IPS LCD |
| 449 pixels per inch | 396 pixels per inch |
| No touch screen | No touch screen |
| 8.4 | 8 |
| Performance | |
| Qualcomm Snapdragon 888 SM8350 chipset | MediaTek Helio G85 chipset |
| Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor | Arm Cortex-A75 and ArmCortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 3 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 HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 10.1 | 6.7 |
| Battery Life | |
| 4500mAh Nano SIM Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 6.8 |
| Other Features | |
| Bluetooth 5.2 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | 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
Xperia 5 III is much better than the Xiaomi Redmi Note 9, getting a global score of 90.5 against 76.6. Both phones we are comparing have Android operating system, but Xperia 5 III has a newer 11 version and Xiaomi Redmi Note 9 has Android 10, so it offers some nice extra features. The Xperia 5 III is a newer cellphone, and it is also just a bit thinner and lighter than the Xiaomi Redmi Note 9.
The Sony Xperia 5 III counts with just a bit better hardware performance than Xiaomi Redmi Note 9, and although they both have 8 CPU cores, the Sony Xperia 5 III also has more RAM. Xperia 5 III features a bit more vivid display than Xiaomi Redmi Note 9, because although it has a little smaller screen, it also counts with a just a bit higher pixel quantity in each inch of display and a little higher 1080 x 2520 resolution.
The Xiaomi Redmi Note 9 counts with a little bit better camera than Sony Xperia 5 III, because although it has a smaller aperture which is not recommended for low-light photos and video, a smaller back-facing camera sensor giving a lower image quality and lower video frame rate, and they both have the same 1920x1080 video resolution, the Xiaomi Redmi Note 9 also counts with a camera in the back with much more MP.
Xperia 5 III features a lot bigger memory for applications, games, photos and videos than Xiaomi Redmi Note 9, because it has 256 GB internal memory and a slot for an SD memory card that allows a maximum of 1 TB. The Xiaomi Redmi Note 9 counts with a bit better battery performance than Sony Xperia 5 III, because it has 5020mAh of battery capacity instead of 4500mAh.
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