Compare phones
| Global Score | |
| 73 | 83.2 |
| Basic Information | |
| Sony | Xiaomi |
| Android 4.4.2 | -- |
| -- | 2019-03-06 |
| 5.39 x 2.83 x 0.43 inches | 6.20 x 2.94 x 0.30 inches |
| 5.75 ounces | 6.10 ounces |
| Black, Blue and White | Black, Blue and Purple |
| -- | Glass (Corning Gorilla Glass 5) and Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 249.00 | -- |
| Display / Screen | |
| 5 inches | 6.4 inches |
| 1080 x 1920 pixels (Full HD) | 2340 x 1080 pixels |
| IPS LCD | AMOLED |
| 441 pixels per inch | 403 pixels per inch |
| -- | 600 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9.1 | 8.6 |
| Performance | |
| Qualcomm Snapdragon 801 8974-AB chipset | Qualcomm Snapdragon 855 chipset |
| Krait 400 (Quad-Core 2300 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 3 GB RAM | 6 GB RAM |
| Adreno 330 (450 MHz) GPU | Adreno 640 GPU |
| 9.27 | 9.63 |
| Storage | |
| 16 GB internal memory | 128 GB internal memory |
| microSD, microSDHC, microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 6.72 | 10.1 |
| Camera | |
| 20.70 MP + 0.30 MP | 48.00 MP + 20.00 MP |
| -- | f/1.80 aperture |
| -- | 26.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 9.24 | 12.1 |
| 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 and HSUPA |
| Micro SIM | Nano SIM, Dual SIM |
| 7 | 6.3 |
| Battery Life | |
| 3000mAh Li-Ion Battery | 3300mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 690 hours standby time 15 hours talk time | -- |
| 4.96 | 5.28 |
| 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
The Xiaomi Mi 9 is much better than the Xperia Z2a, having a general score of 83.2 against 73. Xiaomi Mi 9 is a notably thinner but a little bit heavier cellphone than the Xperia Z2a. Xperia Z2a has a slightly better looking display than Xiaomi Mi 9, because although it has a bit lower 1920 x 1080 resolution and a lot smaller display, it also counts with a just a little more pixels per inch in the screen.
Xiaomi Mi 9 counts with a way bigger memory capacity to install games and applications than Sony Xperia Z2a, because although it has no external SD slot, it also counts with 128 GB internal memory capacity. Xiaomi Mi 9 counts with a bit better processing unit than Xperia Z2a, because although it has doesn't have an extra graphics processor, it also counts with a larger number of cores and more RAM.
The Xiaomi Mi 9 has a greater camera than Xperia Z2a, and although they both have the same 3840x2160 (4K) video resolution, the Xiaomi Mi 9 also has a bigger camera sensor which provides a better image and video quality, faster video frame rate and a back facing camera with way more mega-pixels. Xiaomi Mi 9 counts with a bit superior battery performance than Xperia Z2a, because it has 3300mAh of battery capacity.
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