Compare phones
| Global Score | |
| 72.5 | 76.6 |
| Basic Information | |
| Samsung | Xiaomi |
| -- | Android 10 |
| 2018-07-13 | 2020-05-20 |
| 6.03 x 3.00 x 0.34 inches | 6.39 x 3.04 x 0.35 inches |
| 6.38 ounces | 7.02 ounces |
| Black | Forest green, Midnight gray and Polar white |
| Plastic | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 230.00 | $ 283.00 |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1280 x 720 pixels (HD) | 2340 x 1080 pixels |
| TFT | IPS LCD |
| 267 pixels per inch | 396 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8 |
| Performance | |
| Samsung Exynos 7 Octa 7870 chipset | MediaTek Helio G85 chipset |
| ARM Cortex-A53, 64-bit, 14 nm (Octa-Core 1600 MHz) processor | Arm Cortex-A75 and ArmCortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 2 GB RAM | 3 GB RAM |
| Mali-T830 MP1 GPU | Mali G52 MC2 GPU |
| 8.73 | 9.09 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 400 GB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 9.44 | 10.02 |
| Camera | |
| 13.00 MP + 13.00 MP | 48.00 MP + 13.00 MP |
| f/1.70 aperture | f/1.80 aperture |
| 28.00mm focal length | -- |
| 0.33 inches (1/3.06") sensor | 0.5 inches (1/2") sensor |
| 1920 x 1080 (30 fps) (Full HD) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| -- | 1280 x 720 (120 fps) (HD) slow motion video |
| 9.13 | 11 |
| 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 | Nano SIM, Dual SIM |
| 6.1 | 6.7 |
| Battery Life | |
| 3300mAh Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 5.28 | 6.8 |
| Other Features | |
| Bluetooth 4.2 | Bluetooth 5.0 |
| GPS | GPS |
| -- | NFC |
| -- | Infra-red port |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Comparison review
Xiaomi Redmi Note 9 has a score of 76.6, which is a little bit better than Galaxy J7 (2018)'s 72.5 general score. The Xiaomi Redmi Note 9 construction is newer, but a little thicker and a bit heavier than Galaxy J7 (2018). Xiaomi Redmi Note 9 counts with just a little better performance than Galaxy J7 (2018), and although they both have a Octa-Core processing unit, the Xiaomi Redmi Note 9 also has 1 GB more RAM.
Xiaomi Redmi Note 9 has a much better looking screen than Samsung Galaxy J7 (2018), because it has a lot higher 1080 x 2340 pixels resolution, a greater pixels number per inch in the display and a bigger display. The Xiaomi Redmi Note 9 has a way better camera than Galaxy J7 (2018), because although it has a smaller diafragm aperture which is worse for low light photos and videos, and they both have the same video frame rate and the same 1920x1080 video definition, the Xiaomi Redmi Note 9 also counts with a much larger back-facing camera sensor taking much better quality photographs and a lot higher 48 megapixels resolution back facing camera.
Xiaomi Redmi Note 9 counts with a bit more memory for applications, games, photos and videos than Samsung Galaxy J7 (2018), because although it has a SD memory slot that allows up to 128 GB against 400 GB, it also counts with 64 GB internal memory. The Xiaomi Redmi Note 9 counts with a superior battery lifetime than Galaxy J7 (2018), because it has a 5020mAh battery size against 3300mAh.
Xiaomi Redmi Note 9 costs more than Galaxy J7 (2018), but it's still a great deal, because you can get a much better phone for that extra money.
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