Compare phones
| Global Score | |
| 88.3 | 76.6 |
| Basic Information | |
| Xiaomi | Xiaomi |
| Android 11 | Android 10 |
| 2021-05-06 | 2020-05-20 |
| 6.45 x 3.01 x 0.41 inches | 6.39 x 3.04 x 0.35 inches |
| 7.41 ounces | 7.02 ounces |
| Mirror Black and Pale Grey | Forest green, Midnight gray and Polar white |
| Metal and Plastic | Plastic |
| -- | Scratch-Resistant Glass |
| $ 499.00 | $ 283.00 |
| Display / Screen | |
| 6.7 inches | 6.5 inches |
| 2400 x 1080 pixels | 2340 x 1080 pixels |
| -- | IPS LCD |
| 393 pixels per inch | 396 pixels per inch |
| 1300 cd/m2 brightness | -- |
| No touch screen | No touch screen |
| 9.1 | 8 |
| Performance | |
| Qualcomm Snapdragon 870 SM8250-AC chipset | MediaTek Helio G85 chipset |
| Kryo 585, 64-bit, 7 nm (Octa-Core 3200 MHz) processor | Arm Cortex-A75 and ArmCortex-A55, 64-bit, 12 nm (Octa-Core 2000 MHz) processor |
| 8 GB RAM | 3 GB RAM |
| Adreno 650 GPU | Mali G52 MC2 GPU |
| 9.81 | 9.09 |
| Storage | |
| 128 GB internal memory | 64 GB internal memory |
| No SD card slot | microSDXC (up to 128 GB) external memory slot |
| 10.1 | 10.02 |
| Camera | |
| 48.00 MP + 20.00 MP | 48.00 MP + 13.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| 0.5 inches (1/2") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (60 fps) (4K) video resolution | 1920 x 1080 (30 fps) (Full HD) video resolution |
| 1280 x 720 (960 fps) (HD) slow motion video | 1280 x 720 (120 fps) (HD) slow motion video |
| 11.99 | 11 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4500mAh Li - Polymer Battery | 5020mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| 6.32 | 6.8 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | 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 Black Shark 4 has an overall score of 88.3, which is much better than the Xiaomi Redmi Note 9's general score of 76.6. Both phones we compare here work with Android OS, but Xiaomi Black Shark 4 has the newer 11 version while Xiaomi Redmi Note 9 has Android 10, so it offers a couple additional features. The Xiaomi Black Shark 4 is a newer phone than the Xiaomi Redmi Note 9, although it's thicker and just a little bit heavier.
Xiaomi Black Shark 4 counts with a bit superior processor than Xiaomi Redmi Note 9, and although they both have 8 processing cores, the Xiaomi Black Shark 4 also has more RAM memory. The Xiaomi Black Shark 4 has a better looking screen than Xiaomi Redmi Note 9, because although it has a just a little worse amount of pixels per inch of screen, it also counts with a slightly better resolution of 1080 x 2400 pixels and a bit larger display.
The Xiaomi Black Shark 4 takes just a bit better videos and photos than Xiaomi Redmi Note 9, and although they both have a 48 mega pixels camera, a same size camera sensor and a F1.8 diafragm aperture, the Xiaomi Black Shark 4 also has a way higher 3840x2160 (4K) video quality. The Xiaomi Black Shark 4 has just a bit more memory capacity to install games and applications than Xiaomi Redmi Note 9, because although it has no external memory card slot, it also counts with more internal memory capacity.
The Xiaomi Redmi Note 9 has a little longer battery life than Xiaomi Black Shark 4, because it has a 5020mAh battery size against 4500mAh.
Xiaomi Black Shark 4 is way more expensive than Xiaomi Redmi Note 9, but it's still a good choice, because you can get a lot more for that extra money.
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