| Global Score | |
| 81.6 | 83.2 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 5.0, 4.4 | -- |
| 2014-09-03 | 2019-03-06 |
| 6.04 x 3.09 x 0.33 inches | 6.20 x 2.94 x 0.30 inches |
| 6.21 ounces | 6.10 ounces |
| Black, Gold, Pink and White | Black, Blue and Purple |
| -- | Glass (Corning Gorilla Glass 5) and Metal |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 269.00 | -- |
| Display / Screen | |
| 5.7 inches | 6.4 inches |
| 1440 x 2560 pixels (Quad HD / 2K) | 2340 x 1080 pixels |
| Super AMOLED | AMOLED |
| 515 pixels per inch | 403 pixels per inch |
| -- | 600 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9.5 | 8.6 |
| Performance | |
| Qualcomm Snapdragon 805 APQ8084 chipset | Qualcomm Snapdragon 855 chipset |
| Krait 450 (Quad-Core 2700 MHz) processor | Kryo 485, 64-bit, 7 nm (Octa-Core 2840 MHz) processor |
| 3 GB (825 MHz) RAM | 6 GB RAM |
| Adreno 420 (500 MHz) GPU | Adreno 640 GPU |
| 9.54 | 9.63 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSD, microSDHC, microSDXC (up to 128 GB) external memory slot | No SD card slot |
| 8.12 | 10.1 |
| Camera | |
| 16.00 MP + 3.70 MP | 48.00 MP + 20.00 MP |
| f/2.20 aperture | f/1.80 aperture |
| 31.00mm focal length | 26.00mm focal length |
| 0.38 inches (1/2.6") sensor | 0.5 inches (1/2") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (60 fps) (4K) video resolution |
| 1920 x 1080 (60 fps) (Full HD) slow motion video | 1920 x 1080 (960 fps) (Full HD) slow motion video |
| 10.01 | 12.1 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA and HSUPA |
| Micro SIM | Nano SIM, Dual SIM |
| 7 | 6.3 |
| Battery Life | |
| 3220mAh Li-Ion Battery | 3300mAh Battery |
| Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 20 hours talk time | -- |
| 5.2 | 5.28 |
| Other Features | |
| Bluetooth 4.1, EDR | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
Xiaomi Mi 9 has a score of 83.2, which is a little bit better than Galaxy Note 4's 81.6 overall score. The Xiaomi Mi 9 is a noticeably newer phone, and it's also just a little thinner and a bit lighter than the Galaxy Note 4. The Galaxy Note 4 has a more vivid screen than Xiaomi Mi 9, because although it has a little bit smaller screen, it also counts with a better resolution of 2560 x 1440 and a better pixels count in each inch of display.
The Xiaomi Mi 9 has much more storage capacity for games and applications than Samsung Galaxy Note 4, because although it has no slot for an external memory card, it also counts with 96 GB more internal memory. Xiaomi Mi 9 has a bit better hardware performance than Samsung Galaxy Note 4, because although it has doesn't have a GPU, it also counts with more RAM memory and 4 more processing cores.
Xiaomi Mi 9 captures much clearer photos and videos than Galaxy Note 4, and although they both have the same 3840x2160 (4K) video quality, the Xiaomi Mi 9 also has higher video frame rates, a bigger camera aperture to capture better low light photos and videos, a way more mega-pixels back facing camera and a much bigger camera sensor.
Xiaomi Mi 9 counts with just a little bit longer battery duration than Samsung Galaxy Note 4, because it has 3300mAh of battery capacity.
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