Compare phones
| Global Score | |
| 72.1 | 79 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 7.0 Nougat | Android 11, 10 |
| 2017-11-08 | 2020-04-07 |
| 6.02 x 3.00 x 0.30 inches | 6.53 x 3.02 x 0.35 inches |
| 5.40 ounces | 7.37 ounces |
| 16 777 216 | Aurora blue, Glacier white and Interstellar grey |
| Metal | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 170.00 | $ 249.00 |
| Display / Screen | |
| 5.5 inches | 6.7 inches |
| 1280 x 720 pixels (HD) | 2400 x 1080 pixels |
| IPS LCD | IPS LCD |
| 267 pixels per inch | 393 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8 |
| Performance | |
| Qualcomm Snapdragon 435 8940 chipset | Qualcomm Snapdragon 720G SM7125 chipset |
| ARM Cortex-A53, 64-bit, 28 nm (Octa-Core 1400 MHz) processor | Kryo 465, 64-bit, 8 nm (Octa-Core 2300 MHz) processor |
| 4 GB RAM | 4 GB RAM |
| Adreno 505 GPU | Adreno 618 GPU |
| 8.64 | 9.27 |
| Storage | |
| 64 GB internal memory | 64 GB internal memory |
| microSDXC (up to 128 GB) external memory slot | microSDXC (up to 512 GB) external memory slot |
| 10.02 | 11.74 |
| Camera | |
| 13.00 MP + 16.00 MP | 48.00 MP + 16.00 MP |
| f/2.20 aperture | f/1.80 aperture |
| -- | 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 |
| 8.91 | 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 |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3080mAh Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.04 | 6.8 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| Infra-red port | 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 slightly better than the Xiaomi Redmi Y1, having a overall score of 79 against 72.1. Even though Xiaomi Redmi Note 9S is noticeably newer than Xiaomi Redmi Y1, it's much heavier and thicker. These devices include Android operating system, but Xiaomi Redmi Note 9S has an older 11 version and Xiaomi Redmi Y1 has Android 7.0 Nougat version.
Xiaomi Redmi Note 9S features a brighter screen than Xiaomi Redmi Y1, because it has a greater pixel amount per screen inch, a bigger display and a lot better resolution of 1080 x 2400 pixels. The Xiaomi Redmi Note 9S features a little faster processing unit than Xiaomi Redmi Y1. They have 4 GB of RAM and a Octa-Core processing unit.
Xiaomi Redmi Note 9S has more memory to install games and applications than Xiaomi Redmi Y1, and although they both have equal 64 GB internal memory, the Xiaomi Redmi Note 9S also has a slot for external memory cards that supports a maximum of 512 GB. The Xiaomi Redmi Note 9S takes way better photos and videos than Xiaomi Redmi Y1, because it has a way more mega pixels camera, a larger aperture to take better captures in low light situations and a way better (4K) video definition.
Xiaomi Redmi Note 9S features a really longer battery performance than Xiaomi Redmi Y1, because it has 5020mAh of battery capacity against 3080mAh.
The Xiaomi Redmi Note 9S is way more expensive than Xiaomi Redmi Y1, but you can get a better phone for that few extra dollars.
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