Compare phones
| Global Score | |
| 72.9 | 76.7 |
| Basic Information | |
| Sony | Xiaomi |
| Android 4.4.4, 4.4.2 | Android 11 |
| 2014-02-24 | 2021-05-27 |
| 5.78 x 2.89 x 0.32 inches | 6.23 x 2.96 x 0.33 inches |
| 5.75 ounces | 6.70 ounces |
| Black, Purple and White | Moonlight White, Neptune Blue and Space Black, |
| Glass | Glass and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 500.00 | -- |
| Display / Screen | |
| 5.2 inches | 6.3 inches |
| 1080 x 1920 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | IPS LCD |
| 424 pixels per inch | 409 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9 | 8.1 |
| Performance | |
| Qualcomm Snapdragon 801 MSM8974-AB chipset | MediaTek Helio G85 MT6769Z chipset |
| Krait 400 (Quad-Core 2300 MHz) processor | Cortex-A75, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Adreno 330 (450 MHz) GPU | Mali G52 MC2 GPU |
| 9.27 | 9.09 |
| Storage | |
| 16 GB internal memory | 64 GB internal memory |
| microSD, microSDHC, microSDXC (up to 128 GB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 6.72 | 10.02 |
| Camera | |
| 20.70 MP + 2.20 MP | 48.00 MP + 13.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 0.43 inches (1/2.3") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| -- | 1280 x 720 (120 fps) (HD) slow motion video |
| 8.8 | 11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSPA |
| Micro SIM | Nano SIM |
| 7 | 6.6 |
| Battery Life | |
| 3200mAh Li-Ion Battery | 4000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 690 hours standby time 15 hours talk time | -- |
| 5.2 | 5.92 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.2 |
| GPS | GPS |
| NFC | -- |
| -- | Infra-red port |
| -- | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
The Xiaomi Redmi Note 8 2021 is a bit better than the Xperia Z2, with a global score of 76.7 against 72.9. Both of these phones include Android OS (Operating System), but the Xiaomi Redmi Note 8 2021 has the older 11 version and Xperia Z2 has Android 4.4.4. The Xiaomi Redmi Note 8 2021 is a noticeably newer device than the Xperia Z2, although it's somewhat heavier and a little bit thicker.
Xperia Z2 counts with a bit better processor than Xiaomi Redmi Note 8 2021, because although it has an inferior number of cores (although faster) and 1 GB less RAM, it also counts with an extra graphics co-processor. The Sony Xperia Z2 has a more vivid display than Xiaomi Redmi Note 8 2021, because although it has a quite smaller screen and a little worse resolution of 1920 x 1080px, it also counts with a just a little greater display density.
Xiaomi Redmi Note 8 2021 counts with a much better storage to store more games and applications than Xperia Z2, and although they both have an external memory slot that allows a maximum of 128 GB, the Xiaomi Redmi Note 8 2021 also has more internal storage. The Xiaomi Redmi Note 8 2021 has greater battery life than Xperia Z2, because it has 4000mAh of battery capacity.
Xiaomi Redmi Note 8 2021 shoots way better videos and photos than Sony Xperia Z2, and although they both have the same 1920x1080 video quality and the same video frame rates, the Xiaomi Redmi Note 8 2021 also has a larger back-facing camera sensor, a bigger camera aperture to capture better low light images and a lot higher resolution camera.
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