| Global Score | |
| 74.9 | 87.4 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 8.1 Oreo | Android 5.0 |
| 2018-07-19 | 2015-04-11 |
| 6.94 x 3.44 x 0.31 inches | 5.65 x 2.78 x 0.27 inches |
| 7.80 ounces | 4.87 ounces |
| 16 777 216 | Black, Blue, Gold and White |
| Aluminum | Aluminium and Glass |
| -- | Scratch-Resistant Glass |
| -- | $ 252.00 |
| Display / Screen | |
| 6.9 inches | 5.1 inches |
| 2160 x 1080 pixels | 1440 x 2560 pixels (Quad HD / 2K) |
| IPS LCD | Super AMOLED |
| 350 pixels per inch | 576 pixels per inch |
| No touch screen | Capacitive, Multi-touch |
| 7.7 | 9.9 |
| Performance | |
| Qualcomm Snapdragon 636 SDM636 chipset | Exynos 7 Octa 7420 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 1800 MHz) processor | 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor |
| 4 GB RAM | 3 GB (1600 MHz) RAM |
| Adreno 509 GPU | Mali-T760 MP8 (650 MHz) GPU |
| 8.91 | 10.08 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 256 GB) external memory slot | No SD card slot |
| 10.78 | 10.1 |
| Camera | |
| 12.00 MP + 8.00 MP | 16.00 MP + 5.00 MP |
| f/1.90 aperture | f/1.90 aperture |
| -- | 28.00mm focal length |
| 0.39 inches (1/2.55") 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 (120 fps) (HD) slow motion video | -- |
| 9.68 | 10.01 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE-A (4G), LTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM |
| Nano SIM | Nano SIM, Dual SIM |
| 6.3 | 6.7 |
| Battery Life | |
| 5500mAh Li - Polymer Battery | 2550mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 7.2 | 4.56 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.1 |
| 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 | -- |
Samsung Galaxy S6 has an overall score of 87.4, which is much better than the Xiaomi Mi Max 3's general score of 74.9. Both of these devices include Android operating system, but Samsung Galaxy S6 has an older 5.0 version while Xiaomi Mi Max 3 has Android 8.1 Oreo. Even though the Samsung Galaxy S6 is noticeably older than the Xiaomi Mi Max 3, it's design is thinner and way lighter.
The Galaxy S6 counts with a faster processing unit than Xiaomi Mi Max 3, because although it has a smaller amount of RAM, and they both have the same number of cores, the Galaxy S6 also counts with a 64 bits CPU and an additional GPU. The Galaxy S6 features a much more vibrant screen than Xiaomi Mi Max 3, because although it has a really smaller display, it also counts with a higher resolution of 2560 x 1440 pixels and a much greater display density.
The Xiaomi Mi Max 3 has a little bit better storage for games and applications than Galaxy S6, because although it has only 64 GB internal storage, it also counts with an external memory card slot that allows a maximum of 256 GB. Xiaomi Mi Max 3 has a way better battery life than Galaxy S6, because it has a 5500mAh battery capacity.
The Galaxy S6 takes clearer pictures and videos than Xiaomi Mi Max 3, because although it has a tinier back camera sensor capturing less light and dull colors, and they both have a same size aperture, the same video frame rates and the same video definition, the Galaxy S6 also counts with a back facing camera with way more mega pixels.
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