Compare phones
| Global Score | |
| 72.9 | 76.6 |
| Basic Information | |
| Sony | Xiaomi |
| Android 4.4.4, 4.4.2 | Android 10 |
| 2014-02-24 | 2020-05-20 |
| 5.78 x 2.89 x 0.32 inches | 6.39 x 3.04 x 0.35 inches |
| 5.75 ounces | 7.02 ounces |
| Black, Purple and White | Forest green, Midnight gray and Polar white |
| Glass | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 500.00 | $ 283.00 |
| Display / Screen | |
| 5.2 inches | 6.5 inches |
| 1080 x 1920 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | IPS LCD |
| 424 pixels per inch | 396 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9 | 8 |
| Performance | |
| Qualcomm Snapdragon 801 MSM8974-AB chipset | MediaTek Helio G85 chipset |
| Krait 400 (Quad-Core 2300 MHz) processor | Arm Cortex-A75 and ArmCortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 3 GB RAM | 3 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 HSUPA |
| Micro SIM | Nano SIM, Dual SIM |
| 7 | 6.7 |
| Battery Life | |
| 3200mAh Li-Ion Battery | 5020mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 690 hours standby time 15 hours talk time | -- |
| 5.2 | 6.8 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | 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
Xiaomi Redmi Note 9 is slightly better than the Sony Xperia Z2, having a general score of 76.6 against 72.9. Both phones in this review have Android OS (Operating System), but the Xiaomi Redmi Note 9 has the older 10 version and Sony Xperia Z2 has Android 4.4.4 version. Although Xiaomi Redmi Note 9 is extremely newer than Sony Xperia Z2, it's somewhat heavier and just a bit thicker.
The Sony Xperia Z2 counts with a little faster CPU than Xiaomi Redmi Note 9, because although it has an inferior number of cores (although faster), and they both have the same RAM amount, the Sony Xperia Z2 also counts with an additional graphics co-processor. The Xperia Z2 counts with a sharper display than Xiaomi Redmi Note 9, because although it has a really smaller screen and a quite lower 1920 x 1080 resolution, it also counts with a just a little better display pixel density.
The Xiaomi Redmi Note 9 has a much better camera than Sony Xperia Z2, and although they both have the same video frame rates and the same (Full HD) video quality, the Xiaomi Redmi Note 9 also has a much higher 48 MP resolution camera, a bigger diafragm aperture and a larger sensor capturing better quality videos and photos.
Xiaomi Redmi Note 9 counts with a much bigger storage to install applications and games or saving photos and videos than Sony Xperia Z2, and although they both have a SD memory slot that admits up to 128 GB, the Xiaomi Redmi Note 9 also has 48 GB more internal storage. Xiaomi Redmi Note 9 counts with a much better battery life than Xperia Z2, because it has a 5020mAh battery capacity.
Despite of being the best phone between the ones we are comparing here, the Xiaomi Redmi Note 9 is also a bargain compared to others.
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