Compare phones
| Global Score | |
| 85.2 | 79 |
| Basic Information | |
| Samsung | Xiaomi |
| -- | Android 11, 10 |
| 2018-11-15 | 2020-04-07 |
| 6.40 x 3.03 x 0.31 inches | 6.53 x 3.02 x 0.35 inches |
| 6.46 ounces | 7.37 ounces |
| Bubblegum pink, Caviar black and Lemonade blue | Aurora blue, Glacier white and Interstellar grey |
| Glass and Metal | Glass (Corning Gorilla Glass 5) |
| -- | Scratch-Resistant Glass |
| -- | $ 249.00 |
| Display / Screen | |
| 6.3 inches | 6.7 inches |
| 2220 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 392 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 8 | 8 |
| Performance | |
| Qualcomm Snapdragon 660 SDM660 chipset | Qualcomm Snapdragon 720G SM7125 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor |
| 6 GB RAM | 4 GB RAM |
| Adreno 512 GPU | Adreno 618 GPU |
| 9.27 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 14.14 | 11.74 |
| Camera | |
| 24.00 MP + 24.00 MP | 48.00 MP + 16.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 27.00mm 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 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.45 | 11.55 |
| 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+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 3800mAh Li - Polymer Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.76 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | -- |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Galaxy A9 (2018) is just a bit better than Xiaomi Redmi Note 9S, with a overall score of 85.2 against 79. The Galaxy A9 (2018) body is lighter and thinner than Xiaomi Redmi Note 9S, although it was released only 17 months before. Xiaomi Redmi Note 9S's processor is very similar to the processing unit in Samsung Galaxy A9 (2018), and although the Xiaomi Redmi Note 9S has a smaller amount of RAM memory, they both have 8 processing cores.
The Samsung Galaxy A9 (2018) and the Xiaomi Redmi Note 9S feature extremely similar screens, although the Xiaomi Redmi Note 9S also has a little bit better pixels number per inch in the display, a quite larger display and a slightly higher 1080 x 2400 resolution. Galaxy A9 (2018) counts with a much greater storage for applications and games than Xiaomi Redmi Note 9S, and although they both have a slot for an external memory card that admits up to 512 GB, the Galaxy A9 (2018) also has 128 GB internal storage capacity.
Xiaomi Redmi Note 9S has a superior camera than Galaxy A9 (2018), because although it has a tinier aperture which is not good for taking photos in low light environments, and they both have the same 30 fps video frame rate and the same video quality, the Xiaomi Redmi Note 9S also counts with a back facing camera with a much better resolution and a way bigger back-facing camera sensor capturing much higher quality videos and photos.
Xiaomi Redmi Note 9S counts with longer battery duration than Galaxy A9 (2018), because it has 5020mAh of battery capacity.
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