Compare phones
| Global Score | |
| 73 | 76.6 |
| Basic Information | |
| Sony | Xiaomi |
| Android 4.4.2 | Android 10 |
| -- | 2020-05-20 |
| 5.39 x 2.83 x 0.43 inches | 6.39 x 3.04 x 0.35 inches |
| 5.75 ounces | 7.02 ounces |
| Black, Blue and White | Forest green, Midnight gray and Polar white |
| -- | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 249.00 | $ 283.00 |
| Display / Screen | |
| 5 inches | 6.5 inches |
| 1080 x 1920 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | IPS LCD |
| 441 pixels per inch | 396 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 8 |
| Performance | |
| Qualcomm Snapdragon 801 8974-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 + 0.30 MP | 48.00 MP + 13.00 MP |
| -- | f/1.80 aperture |
| 0.43 inches (1/2.3") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 9.24 | 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 | |
| 3000mAh Li-Ion Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 690 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, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi Redmi Note 9 has a general score of 76.6, which is slightly better than the Xperia Z2a's general score of 73. Both phones we are comparing include Android OS (Operating System), but Xiaomi Redmi Note 9 has an older 10 version while Xperia Z2a has Android 4.4.2. Xiaomi Redmi Note 9's design is thinner but heavier than Xperia Z2a.
Xperia Z2a features a little better hardware performance than Xiaomi Redmi Note 9, because although it has lesser CPU cores , and they both have the same RAM amount, the Xperia Z2a also counts with a graphics processing unit. The Sony Xperia Z2a counts with a much better screen than Xiaomi Redmi Note 9, because although it has a lot smaller display and a little lower resolution of 1920 x 1080 pixels, it also counts with a just a little higher screen pixel density.
The Xiaomi Redmi Note 9 has a superior camera than Xperia Z2a, and although they both have the same 1920x1080 video quality and the same 30 fps video frame rate, the Xiaomi Redmi Note 9 also has a back-facing camera with lot more megapixels and a larger sensor which offers a higher image and video quality.
The Xiaomi Redmi Note 9 counts with much more memory to install games and applications than Xperia Z2a, and although they both have a slot for SD memory cards that holds a maximum of 128 GB, the Xiaomi Redmi Note 9 also has 64 GB internal memory. Xiaomi Redmi Note 9 has a way better battery performance than Sony Xperia Z2a, because it has a 5020mAh battery capacity against 3000mAh.
The Xiaomi Redmi Note 9 is a bit more expensive than the Xperia Z2a, but it's still a great choice, because you can get a lot more for that extra money.
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