| Global Score | |
| 87.4 | 83.3 |
| Basic Information | |
| Samsung | Xiaomi |
| Android 5.0 | Android 10, 9.0 Pie, 8.0 Oreo |
| 2015-04-11 | 2018-06-05 |
| 5.65 x 2.78 x 0.27 inches | 6.10 x 2.94 x 0.30 inches |
| 4.87 ounces | 6.17 ounces |
| Black, Blue, Gold and White | Black, Blue, Gold and White |
| Aluminium and Glass | Glass (Corning Gorilla Glass 5) |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| $ 252.00 | -- |
| Display / Screen | |
| 5.1 inches | 6.2 inches |
| 1440 x 2560 pixels (Quad HD / 2K) | 2248 x 1080 pixels |
| Super AMOLED | AMOLED |
| 576 pixels per inch | 402 pixels per inch |
| -- | 600 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9.9 | 8.6 |
| Performance | |
| Exynos 7 Octa 7420 chipset | Qualcomm Snapdragon 845 SDM845 chipset |
| 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor | Kryo 385, 64-bit, 10 nm (Octa-Core 2800 MHz) processor |
| 3 GB (1600 MHz) RAM | 6 GB RAM |
| Mali-T760 MP8 (650 MHz) GPU | Adreno 630 GPU |
| 10.08 | 9.63 |
| Storage | |
| 128 GB internal memory | 256 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 13.3 |
| Camera | |
| 16.00 MP + 5.00 MP | 12.00 MP + 20.00 MP |
| f/1.90 aperture | f/1.80 aperture |
| 28.00mm focal length | 56.00mm focal length |
| 0.38 inches (1/2.6") sensor | 0.39 inches (1/2.55") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 10.01 | 9.9 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM | LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 2550mAh Battery | 3400mAh Li - Polymer Battery |
| Non-Removable Battery | Non-Removable Battery |
| Wireless Charging | -- |
| 4.56 | 5.36 |
| Other Features | |
| Bluetooth 4.1 | Bluetooth 5.0 |
| GPS | GPS |
| NFC | NFC |
| Infra-red port | -- |
| Fingerprint ID Scanner | Fingerprint ID Scanner |
| Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
The Samsung Galaxy S6 is a bit better than Xiaomi Mi 8, with an 87.4 score against 83.3. Both of these phones use Android OS, but Samsung Galaxy S6 has older 5.0 version and Xiaomi Mi 8 has Android 10. Despite of the fact that Samsung Galaxy S6 is a lot older than Xiaomi Mi 8, it's design is incredibly lighter and just a little bit thinner.
The Galaxy S6 features a bit faster processing unit than Xiaomi Mi 8, because although it has a smaller amount of RAM, and they both have 8 cores, the Galaxy S6 also counts with a 64-bit CPU and a graphics processor. The Galaxy S6 counts with a more vivid display than Xiaomi Mi 8, because although it has a quite smaller screen, it also counts with a better resolution of 2560 x 1440px and a better amount of pixels per inch of display.
The Xiaomi Mi 8 features a very superior storage capacity for applications, games, photos and videos than Galaxy S6, because it has 256 GB internal storage capacity. Samsung Galaxy S6 counts with a slightly better camera than Xiaomi Mi 8, because although it has a tinier diafragm aperture and a tinier sensor capturing less light and duller colors, and they both have the same 3840x2160 (4K) video resolution and the same 30 fps video frame rates, the Samsung Galaxy S6 also counts with a back camera with a much better resolution.
Xiaomi Mi 8 counts with improved battery life than Samsung Galaxy S6, because it has 3400mAh of battery capacity.
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