Compare phones
| Global Score | |
| 73 | 79 |
| Basic Information | |
| Sony | Xiaomi |
| Android 4.4.2 | Android 11, 10 |
| -- | 2020-04-07 |
| 5.39 x 2.83 x 0.43 inches | 6.53 x 3.02 x 0.35 inches |
| 5.75 ounces | 7.37 ounces |
| Black, Blue and White | Aurora blue, Glacier white and Interstellar grey |
| -- | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 249.00 | $ 249.00 |
| Display / Screen | |
| 5 inches | 6.7 inches |
| 1080 x 1920 pixels (Full HD) | 2400 x 1080 pixels |
| IPS LCD | IPS LCD |
| 441 pixels per inch | 393 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 8 |
| Performance | |
| Qualcomm Snapdragon 801 8974-AB chipset | Qualcomm Snapdragon 720G SM7125 chipset |
| Krait 400 (Quad-Core 2300 MHz) processor | Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor |
| 3 GB RAM | 4 GB RAM |
| Adreno 330 (450 MHz) GPU | Adreno 618 GPU |
| 9.27 | 9.27 |
| Storage | |
| 16 GB internal memory | 64 GB internal memory |
| microSD, microSDHC, microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 6.72 | 11.74 |
| Camera | |
| 20.70 MP + 0.30 MP | 48.00 MP + 16.00 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 | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.24 | 11.55 |
| 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 | -- |
| -- | 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 9S has a global score of 79, which is slightly better than Xperia Z2a's 73 general score. Xiaomi Redmi Note 9S's body is thinner but extremely heavier than Xperia Z2a. Both phones in this comparison review use Android OS (operating system), but the Xiaomi Redmi Note 9S has older 11 version while Xperia Z2a has Android 4.4.2 version.
Xiaomi Redmi Note 9S's processing unit is very similar to Sony Xperia Z2a's processing unit, because although the Xiaomi Redmi Note 9S has doesn't have a graphics processor, it also counts with 1 GB more RAM memory and 4 more cores. The Xperia Z2a has a more vivid screen than Xiaomi Redmi Note 9S, because although it has a way smaller display and a little bit worse 1920 x 1080 pixels resolution, it also counts with a bit higher screen density.
Xiaomi Redmi Note 9S has a way better camera than Xperia Z2a, and although they both have the same 30 frames per second video frame rates and the same 3840x2160 (4K) video quality, the Xiaomi Redmi Note 9S also has a back facing camera with lot more MP and a larger back camera sensor providing a higher image quality.
The Xiaomi Redmi Note 9S counts with a much greater memory to install games and applications than Sony Xperia Z2a, because it has 64 GB internal memory capacity and a slot for external memory cards that admits up to 512 GB. The Xiaomi Redmi Note 9S counts with a really longer battery duration than Xperia Z2a, because it has a 5020mAh battery capacity.
The Xiaomi Redmi Note 9S and the Sony Xperia Z2a cost exactly the same.
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