Compare phones
| Global Score | |
| 73.5 | 79 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 14 | Android 11, 10 |
| -- | 2020-04-07 |
| 6.30 x 3.02 x 0.33 inches | 6.53 x 3.02 x 0.35 inches |
| 7.05 ounces | 7.37 ounces |
| Black, Fantasy Blue, Optimistic Blue and Personality Yellow | Aurora blue, Glacier white and Interstellar grey |
| Plastic and Plastic | Glass (Corning Gorilla Glass 5) |
| -- | Scratch-Resistant Glass |
| -- | $ 249.00 |
| Display / Screen | |
| 6.5 inches | 6.7 inches |
| 2340 x 1080 pixels | 2400 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 396 pixels per inch | 393 pixels per inch |
| 800 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 8.6 | 8 |
| Performance | |
| Mediatek Helio G99 MT6789 (6 nm) chipset | Qualcomm Snapdragon 720G SM7125 chipset |
| processor | Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor |
| 8 GB RAM | 4 GB RAM |
| Mali-G57 MC2 GPU | Adreno 618 GPU |
| 6.21 | 9.27 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 512 GB) external memory slot |
| 10.1 | 11.74 |
| Camera | |
| 50.00 MP + 13.00 MP | 48.00 MP + 16.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 0.5 inches (1/2") sensor |
| -- | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.46 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G) and LTE (4G) | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM | Nano SIM, Dual SIM |
| 5.6 | 6.7 |
| Battery Life | |
| 5000mAh Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.8 | 6.8 |
| Other Features | |
| Bluetooth | 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 |
Comparison review
The Xiaomi Redmi Note 9S is a bit better than Galaxy A15, with a general score of 79 against 73.5. Both of these devices include Android OS, but Xiaomi Redmi Note 9S has older 11 version and Galaxy A15 has Android 14. Although it's the best cellphone in this review, the Xiaomi Redmi Note 9S is a a bit thicker and just a bit heavier cellphone than the Galaxy A15.
The Samsung Galaxy A15 features a little more vivid screen than Xiaomi Redmi Note 9S, because although it has a little lower resolution of 1080 x 2340 pixels and a bit smaller screen, it also counts with a little bit better display pixel density. The Xiaomi Redmi Note 9S counts with a quite bigger memory for applications and games than Samsung Galaxy A15, because although it has just 64 GB internal memory capacity, it also counts with a slot for an external memory card that allows a maximum of 512 GB.
The Xiaomi Redmi Note 9S features a much greater hardware performance than Galaxy A15, although it has 4 GB less RAM memory, they both have the same number of cores. The Xiaomi Redmi Note 9S's battery lifetime is just as good as the battery performance in Galaxy A15, although the Xiaomi Redmi Note 9S also has 5020mAh of battery capacity instead of 5000mAh.
The Xiaomi Redmi Note 9S takes much better photographs and videos than Galaxy A15, although it has a lower 48 megapixels resolution back facing camera, they both have a same size aperture.
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