| Global Score | |
| 72.8 | 76.6 |
| Basic Information | |
| Sony | Xiaomi |
| Android 4.4.4 | Android 10 |
| 2013-09-04 | 2020-05-20 |
| 5.74 x 2.91 x 0.34 inches | 6.39 x 3.04 x 0.35 inches |
| 5.71 ounces | 7.02 ounces |
| Black, Purple and White | Forest green, Midnight gray and Polar white |
| -- | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 239.00 | $ 283.00 |
| Display / Screen | |
| 5 inches | 6.5 inches |
| 1080 x 1920 pixels (Full HD) | 2340 x 1080 pixels |
| TFT | IPS LCD |
| 441 pixels per inch | 396 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 8 |
| Performance | |
| Qualcomm Snapdragon 800 MSM8974 chipset | MediaTek Helio G85 chipset |
| Krait 400 (Quad-Core 2200 MHz) processor | Arm Cortex-A75 and ArmCortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 2 GB (800 MHz) RAM | 3 GB RAM |
| Adreno 330 (450 MHz) GPU | Mali G52 MC2 GPU |
| 9.18 | 9.09 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSD, microSDHC, microSDXC (up to 64 GB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 7.56 | 10.02 |
| Camera | |
| 20.70 MP + 2.00 MP | 48.00 MP + 13.00 MP |
| f/2.00 aperture | f/1.80 aperture |
| 27.00mm focal length | -- |
| 0.43 inches (1/2.3") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (Full HD) 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, UMTS, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| SIM | Nano SIM, Dual SIM |
| 7 | 6.7 |
| Battery Life | |
| 3000mAh Li-Ion Battery | 5020mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| 600 hours standby time 15 hours talk time | -- |
| 4.96 | 6.8 |
| Other Features | |
| Bluetooth 4.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
The Xiaomi Redmi Note 9 has a global score of 76.6, which is a bit better than Xperia Z1's general score of 72.8. The Xiaomi Redmi Note 9 construction is notably newer than the Xperia Z1's, although it is a little thicker and heavier. Both of these phones use Android OS (operating system), but Xiaomi Redmi Note 9 has older 10 version and Xperia Z1 has Android 4.4.4.
Sony Xperia Z1 features a more vivid display than Xiaomi Redmi Note 9, because although it has a much smaller screen and a little bit worse resolution of 1920 x 1080px, it also counts with a little greater screen pixels density. The Sony Xperia Z1 counts with a bit better CPU than Xiaomi Redmi Note 9, because although it has lesser processing cores and a smaller amount of RAM, it also counts with an extra graphics processing unit.
Xiaomi Redmi Note 9 has a way better camera than Sony Xperia Z1, and although they both have the same 1920x1080 video resolution and the same video frame rate, the Xiaomi Redmi Note 9 also has a lot more MP camera in the back, a bigger sensor providing a higher image quality and a larger aperture.
The Xiaomi Redmi Note 9 has a much bigger storage capacity to store more apps and games than Xperia Z1, because it has an external SD slot that admits up to 128 GB and 64 GB internal memory capacity. The Xiaomi Redmi Note 9 has a really longer battery life than Sony Xperia Z1, because it has a 5020mAh battery capacity instead of 3000mAh.
Xiaomi Redmi Note 9 costs more than Sony Xperia Z1, but it's still a great deal, as you can get a lot more features for that extra money.
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