| Global Score | |
| 79.2 | 81.6 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11, 10, 9.0 Pie | Android 5.0, 4.4 |
| 2019-07-24 | 2014-09-03 |
| 6.04 x 2.83 x 0.33 inches | 6.04 x 3.09 x 0.33 inches |
| 6.13 ounces | 6.21 ounces |
| Blue, Gray and White | Black, Gold, Pink and White |
| Glass (Corning Gorilla Glass 5) and Plastic | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 269.00 |
| Display / Screen | |
| 6.1 inches | 5.7 inches |
| 1560 x 720 pixels | 1440 x 2560 pixels (Quad HD / 2K) |
| Super AMOLED | Super AMOLED |
| 282 pixels per inch | 515 pixels per inch |
| No touch screen | Capacitive, Multi-touch |
| 7.3 | 9.5 |
| Performance | |
| Qualcomm Snapdragon 665 chipset | Qualcomm Snapdragon 805 APQ8084 chipset |
| Kryo 260, 64-bit, 11 nm (Octa-Core 2000 MHz) processor | Krait 450 (Quad-Core 2700 MHz) processor |
| 4 GB RAM | 3 GB (825 MHz) RAM |
| Adreno 610 GPU | Adreno 420 (500 MHz) GPU |
| 9.09 | 9.54 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | microSD, microSDHC, microSDXC (up to 128 GB) external memory slot |
| 13.18 | 8.12 |
| Camera | |
| 48.00 MP + 32.00 MP | 16.00 MP + 3.70 MP |
| f/1.80 aperture | f/2.20 aperture |
| -- | 31.00mm focal length |
| 0.43 inches (1/2.3") sensor | 0.38 inches (1/2.6") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1280 x 720 (240 fps) (HD) slow motion video | 1920 x 1080 (60 fps) (Full HD) slow motion video |
| 11.44 | 10.01 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM |
| Nano SIM | Micro SIM |
| 6.7 | 7 |
| Battery Life | |
| 4030mAh Battery | 3220mAh Li-Ion Battery |
| Non-Removable Battery | Removable Battery |
| -- | 20 hours talk time |
| 5.92 | 5.2 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.1, EDR |
| GPS | GPS |
| -- | NFC |
| Infra-red port | Infra-red port |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| FM Radio | -- |
The Samsung Galaxy Note 4 has a global score of 81.6, which is slightly better than Xiaomi Mi A3's score of 79.2. Both of these phones have Android OS (Operating System), but Samsung Galaxy Note 4 has 5.0 version while Xiaomi Mi A3 has Android 11. Samsung Galaxy Note 4 is a just a bit heavier phone than Xiaomi Mi A3, but they have the same thickness.
Galaxy Note 4 has a bit faster CPU than Xiaomi Mi A3, because although it has an inferior number of cores and a lower amount of RAM memory, it also counts with an extra graphics processor. Galaxy Note 4 has a much sharper screen than Xiaomi Mi A3, because although it has a quite smaller display, it also counts with much more pixels per display inch and a way better resolution of 2560 x 1440.
The Xiaomi Mi A3 captures much better photographs and videos than Samsung Galaxy Note 4, and although they both have the same 3840x2160 video resolution and the same video frame rates, the Xiaomi Mi A3 also has a way more megapixels back facing camera, a bigger back camera sensor capturing higher quality videos and pictures and a larger camera aperture.
The Xiaomi Mi A3 counts with a much greater storage capacity to install games and applications than Galaxy Note 4, because it has an external SD slot that supports a maximum of 256 GB and more internal memory. Xiaomi Mi A3 has superior battery performance than Galaxy Note 4, because it has a 25% greater battery size.
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