| Global Score | |
| 81.6 | 79.2 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 5.0, 4.4 | Android 11, 10, 9.0 Pie |
| 2014-09-03 | 2019-07-24 |
| 6.04 x 3.09 x 0.33 inches | 6.04 x 2.83 x 0.33 inches |
| 6.21 ounces | 6.13 ounces |
| Black, Gold, Pink and White | Blue, Gray and White |
| -- | Glass (Corning Gorilla Glass 5) and Plastic |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 269.00 | -- |
| Display / Screen | |
| 5.7 inches | 6.1 inches |
| 1440 x 2560 pixels (Quad HD / 2K) | 1560 x 720 pixels |
| Super AMOLED | Super AMOLED |
| 515 pixels per inch | 282 pixels per inch |
| Capacitive, Multi-touch | No touch screen |
| 9.5 | 7.3 |
| Performance | |
| Qualcomm Snapdragon 805 APQ8084 chipset | Qualcomm Snapdragon 665 chipset |
| Krait 450 (Quad-Core 2700 MHz) processor | Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor |
| 3 GB (825 MHz) RAM | 4 GB RAM |
| Adreno 420 (500 MHz) GPU | Adreno 610 GPU |
| 9.54 | 9.09 |
| Storage | |
| 32 GB internal memory | 128 GB internal memory |
| microSD, microSDHC, microSDXC (up to 128 GB) external memory slot | microSDXC (up to 256 GB) external memory slot |
| 8.12 | 13.18 |
| Camera | |
| 16.00 MP + 3.70 MP | 48.00 MP + 32.00 MP |
| f/2.20 aperture | f/1.80 aperture |
| 31.00mm focal length | -- |
| 0.38 inches (1/2.6") sensor | 0.43 inches (1/2.3") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (60 fps) (Full HD) slow motion video | 1280 x 720 (240 fps) (HD) slow motion video |
| 10.01 | 11.44 |
| 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+ (4G), HSDPA and HSUPA |
| Micro SIM | Nano SIM |
| 7 | 6.7 |
| Battery Life | |
| 3220mAh Li-Ion Battery | 4030mAh Battery |
| Removable Battery | Non-Removable Battery |
| 20 hours talk time | -- |
| 5.2 | 5.92 |
| Other Features | |
| Bluetooth 4.1, EDR | Bluetooth 5.0 |
| GPS | GPS |
| 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 |
| -- | FM Radio |
The Galaxy Note 4 has an overall score of 81.6, which is a little bit better than Xiaomi Mi A3's score of 79.2. Both of these phones work with Android OS, but Galaxy Note 4 has the previous 5.0 version and Xiaomi Mi A3 has Android 11 version. The Galaxy Note 4 is a a little heavier phone than Xiaomi Mi A3, but both are 0.33inches thick.
The Samsung Galaxy Note 4 features a little faster processor than Xiaomi Mi A3, because although it has an inferior number of cores (although they are faster) and 1 GB lesser RAM memory, it also counts with an additional graphics co-processor. Galaxy Note 4 counts with an incredibly better looking display than Xiaomi Mi A3, because although it has a little smaller screen, it also counts with a much better pixel density and a lot higher 2560 x 1440px resolution.
The Xiaomi Mi A3 counts with a much better camera than Galaxy Note 4, and although they both have the same video frame rates and the same 3840x2160 (4K) video definition, the Xiaomi Mi A3 also has a larger diafragm aperture, a back facing camera with much more MP and a larger sensor taking more light and vivid colors.
Xiaomi Mi A3 features a very superior storage for games and applications than Galaxy Note 4, because it has more internal storage and an external memory card slot that allows a maximum of 256 GB. Xiaomi Mi A3 counts with better battery life than Galaxy Note 4, because it has a 4030mAh battery capacity instead of 3220mAh.
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