| Global Score | |
| 78 | 80.9 |
| Basic Information | |
| Xiaomi | Samsung |
| -- | Android 5.0 |
| 2018-07-27 | -- |
| 6.25 x 2.97 x 0.29 inches | 5.78 x 2.90 x 0.35 inches |
| 5.93 ounces | -- |
| Black, Blue, Gold, Pink and Red | -- |
| Aluminum | -- |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 245.00 |
| Display / Screen | |
| 6 inches | 5.1 inches |
| 2160 x 1080 pixels | 1440 x 2560 pixels (Quad HD / 2K) |
| IPS LCD | Super AMOLED |
| 402 pixels per inch | 576 pixels per inch |
| No touch screen | Capacitive, Multi-touch |
| 8.1 | 9.9 |
| Performance | |
| Qualcomm Snapdragon 660 SDM660 chipset | Exynos 7 Octa 7420 chipset |
| Kryo 260, 64-bit, 14 nm (Octa-Core 2200 MHz) processor | 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor |
| 6 GB RAM | 3 GB (1600 MHz) RAM |
| Adreno 512 GPU | Mali-T760 MP8 (650 MHz) GPU |
| 9.27 | 10.08 |
| Storage | |
| 128 GB internal memory | 32 GB internal memory |
| No SD card slot | microSD external memory slot |
| 10.1 | 5.8 |
| Camera | |
| 12.00 MP + 20.00 MP | 16.00 MP + 5.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| 0.34 inches (1/2.9") sensor | 0.38 inches (1/2.6") sensor |
| 3840 x 2160 (30 fps) (4K) video resolution | 3840 x 2160 (4K) video resolution |
| 1280 x 720 (120 fps) (HD) slow motion video | -- |
| 9.79 | 8.47 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA and HSUPA | LTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM |
| Nano SIM, Dual SIM | Nano SIM |
| 6.3 | 6.6 |
| Battery Life | |
| 3010mAh Li - Polymer Battery | 3500mAh Battery |
| Non-Removable Battery | Removable Battery |
| 4.96 | 5.44 |
| 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 Active has an overall score of 80.9, which is a little bit better than the Xiaomi Mi A2's general score of 78. The Samsung Galaxy S6 Active construction is thicker but way lighter than Xiaomi Mi A2. Galaxy S6 Active has a little better performance than Xiaomi Mi A2, because although it has a smaller amount of RAM memory, and they both have the same number of cores, the Galaxy S6 Active also counts with a 64-bit CPU and an additional graphics co-processor.
Samsung Galaxy S6 Active has a lot better screen than Xiaomi Mi A2, because although it has a bit smaller screen, it also counts with a higher pixels amount per inch in the display and a higher 2560 x 1440px resolution. The Xiaomi Mi A2 has much more storage for apps and games than Samsung Galaxy S6 Active, because although it has no external SD slot, it also counts with 96 GB more internal memory.
The Xiaomi Mi A2 captures much clearer photographs and videos than Samsung Galaxy S6 Active, because although it has a camera with way less MP, a worse 3840x2160 video quality and a tinier back camera sensor capturing less light and washed colors, it also counts with a bigger camera aperture to take better photos in poorly lited situations.
Samsung Galaxy S6 Active features just a bit longer battery duration than Xiaomi Mi A2, because it has a 16% bigger battery size.
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