Compare phones
| Global Score | |
| 82.1 | 83.2 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 9.0 Pie, 8.0 Oreo | -- |
| 2018-08-27 | 2019-03-06 |
| 6.39 x 3.03 x 0.30 inches | 6.20 x 2.94 x 0.30 inches |
| 6.74 ounces | 6.10 ounces |
| Black and White | Black, Blue and Purple |
| Glass and Metal | Glass (Corning Gorilla Glass 5) and Metal |
| -- | Scratch-Resistant Glass |
| Display / Screen | |
| 6.3 inches | 6.4 inches |
| 2220 x 1080 pixels | 2340 x 1080 pixels |
| Super AMOLED | AMOLED |
| 392 pixels per inch | 403 pixels per inch |
| -- | 600 cd/m2 brightness |
| No touch screen | No touch screen |
| 8 | 8.6 |
| Performance | |
| Qualcomm Snapdragon 660 SDM660 chipset | Qualcomm Snapdragon 855 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 6 GB RAM | 6 GB RAM |
| Adreno 512 GPU | Adreno 640 GPU |
| 9.27 | 9.63 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | No SD card slot |
| 11.34 | 10.1 |
| Camera | |
| 16.00 MP + 24.00 MP | 48.00 MP + 20.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 26.00mm focal length | 26.00mm focal length |
| 0.36 inches (1/2.8") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| -- | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 10.01 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.3 |
| Battery Life | |
| 3700mAh Li - Ion Battery | 3300mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.68 | 5.28 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
Xiaomi Mi 9 has a score of 83.2, which is a little bit better than Samsung Galaxy A8 Star's global score of 82.1. Xiaomi Mi 9's design has the same thickness than Samsung Galaxy A8 Star, but it is a bit lighter. The Xiaomi Mi 9 has just a bit better performance than Samsung Galaxy A8 Star. They have 8 processing cores and a 6 GB RAM memory.
Xiaomi Mi 9 counts with a bit sharper screen than Samsung Galaxy A8 Star, because it has a little bit higher pixels density, a quite better resolution of 1080 x 2340 and a little larger display. Xiaomi Mi 9 captures much better photographs and videos than Samsung Galaxy A8 Star, because although it has a smaller diafragm aperture which is not favorable for low light photos and videos, and they both have the same (4K) video resolution, the Xiaomi Mi 9 also counts with a lot larger sensor capturing more light and vivid colors, a camera with a lot higher resolution and higher 60 fps video frame rates.
Galaxy A8 Star has a bigger storage capacity for applications and games than Xiaomi Mi 9, because although it has 0 less internal memory capacity, it also counts with an external memory card slot that allows a maximum of 400 GB. Galaxy A8 Star counts with just a bit better battery life than Xiaomi Mi 9, because it has 3700mAh of battery capacity instead of 3300mAh.
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