Compare phones
| Global Score | |
| 74.6 | 76.6 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 8.0 Oreo | Android 10 |
| -- | 2020-05-20 |
| 6.04 x 3.04 x 0.32 inches | 6.39 x 3.04 x 0.35 inches |
| 6.14 ounces | 7.02 ounces |
| 16 777 216 | Forest green, Midnight gray and Polar white |
| Plastic | Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 283.00 |
| Display / Screen | |
| 5.5 inches | 6.5 inches |
| 1280 x 720 pixels (HD) | 2340 x 1080 pixels |
| Super AMOLED | IPS LCD |
| 267 pixels per inch | 396 pixels per inch |
| No touch screen | No touch screen |
| 7.1 | 8 |
| Performance | |
| Samsung Exynos 7 Octa 7884 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 |
| 4 GB RAM | 3 GB RAM |
| ARM Mali-G71 GPU | Mali G52 MC2 GPU |
| 8.82 | 9.09 |
| Storage | |
| 32 GB internal memory | 64 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSDXC (up to 128 GB) external memory slot |
| 8.88 | 10.02 |
| Camera | |
| 13.00 MP + 8.00 MP | 48.00 MP + 13.00 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 | 1920 x 1080 (30 fps) (Full HD) video resolution |
| -- | 1280 x 720 (120 fps) (HD) slow motion video |
| 9.02 | 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 |
| 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 |
| -- | NFC |
| -- | 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
Xiaomi Redmi Note 9 has a score of 76.6, which is just a bit better than the Galaxy J7 Duo's global score of 74.6. Although it's the best phone in our current comparison, the Xiaomi Redmi Note 9 is a just a bit thicker and heavier phone than Galaxy J7 Duo. Both phones we compare here have Android OS (Operating System), but Xiaomi Redmi Note 9 has an older 10 version and Galaxy J7 Duo has Android 8.0 Oreo.
The Xiaomi Redmi Note 9 features a little faster processor than Galaxy J7 Duo, although it has a smaller amount of RAM memory, they both have 8 CPU cores. Xiaomi Redmi Note 9 features a more vivid screen than Samsung Galaxy J7 Duo, because it has a larger screen, a higher pixels density and a lot higher resolution of 1080 x 2340 pixels.
The Xiaomi Redmi Note 9 captures much clearer videos and photos than Samsung Galaxy J7 Duo, and although they both have the same video definition and the same video frame rate, the Xiaomi Redmi Note 9 also has a much bigger sensor, a way more mega pixels back camera and a larger camera aperture to take better images in low light environments.
Xiaomi Redmi Note 9 features more storage to install applications and games or saving photos and videos than Samsung Galaxy J7 Duo, because although it has a SD memory slot that allows 128 GB smaller, it also counts with 64 GB internal memory capacity. Xiaomi Redmi Note 9 features a really longer battery performance than Galaxy J7 Duo, because it has a 5020mAh battery size.
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