Compare phones
| Global Score | |
| 74.6 | 79 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 8.0 Oreo | Android 11, 10 |
| -- | 2020-04-07 |
| 6.04 x 3.04 x 0.32 inches | 6.53 x 3.02 x 0.35 inches |
| 6.14 ounces | 7.37 ounces |
| 16 777 216 | Aurora blue, Glacier white and Interstellar grey |
| Plastic | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 249.00 |
| Display / Screen | |
| 5.5 inches | 6.7 inches |
| 1280 x 720 pixels (HD) | 2400 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 267 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8 |
| Performance | |
| Samsung Exynos 7 Octa 7884 chipset | Qualcomm Snapdragon 720G SM7125 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| ARM Mali-G71 GPU | Adreno 618 GPU |
| 8.82 | 9.27 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 8.88 | 11.74 |
| Camera | |
| 13.00 MP + 8.00 MP | 48.00 MP + 16.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 27.00mm focal length | -- |
| 0.33 inches (1/3.06") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 9.02 | 11.55 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Micro SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3000mAh Battery | 5020mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| 4.96 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| -- | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
Comparison review
The Xiaomi Redmi Note 9S has an overall score of 79, which is a little bit better than Galaxy J7 Duo's score of 74.6. These phones have Android operating system, but Xiaomi Redmi Note 9S has an older 11 version and Galaxy J7 Duo has Android 8.0 Oreo version. Even being the best phone in this comparison, Xiaomi Redmi Note 9S's design is heavier and a little bit thicker than Galaxy J7 Duo.
Xiaomi Redmi Note 9S features a more vivid screen than Galaxy J7 Duo, because it has a larger display, a greater pixel count per inch in the screen and a way better 1080 x 2400 resolution. The Xiaomi Redmi Note 9S features a bit better processing unit than Samsung Galaxy J7 Duo. They have the same number of cores and a 4 GB RAM memory.
Xiaomi Redmi Note 9S counts with a much better storage to install games and applications than Galaxy J7 Duo, because it has 32 GB more internal storage capacity and a slot for external memory cards that allows up to 512 GB. The Xiaomi Redmi Note 9S takes a lot better videos and photos than Galaxy J7 Duo, because it has a lot better (4K) video resolution, a back facing camera with a much better 48 MP resolution, a lot larger sensor providing a way higher image quality and a bigger aperture for better captures in low light situations.
The Xiaomi Redmi Note 9S features a much better battery life than Galaxy J7 Duo, because it has 5020mAh of battery capacity instead of 3000mAh.
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