| Global Score | |
| 83.4 | 87.4 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 5.0 |
| 2021-03-20 | 2015-04-11 |
| 6.51 x 3.02 x 0.37 inches | 5.65 x 2.78 x 0.27 inches |
| 7.58 ounces | 4.87 ounces |
| Frost blue, Metal bronze and Phantom black | Black, Blue, Gold and White |
| -- | Aluminium and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 252.00 |
| Display / Screen | |
| 6.7 inches | 5.1 inches |
| 2400 x 1080 pixels | 1440 x 2560 pixels (Quad HD / 2K) |
| IPS LCD | Super AMOLED |
| 393 pixels per inch | 576 pixels per inch |
| No touch screen | Capacitive, Multi-touch |
| 8.1 | 9.9 |
| Performance | |
| Qualcomm Snapdragon 860 SM8150-AC chipset | Exynos 7 Octa 7420 chipset |
| Kryo 485, 64-bit, 7 nm (Octa-Core 2960 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 640 GPU | Mali-T760 MP8 (650 MHz) GPU |
| 9.63 | 10.08 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| microSDXC (up to 1 TB) external memory slot | No SD card slot |
| 15.42 | 10.1 |
| Camera | |
| 48.00 MP | 16.00 MP + 5.00 MP |
| f/1.80 aperture | f/1.90 aperture |
| -- | 28.00mm focal length |
| 0.5 inches (1/2") sensor | 0.38 inches (1/2.6") 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 | -- |
| 10.78 | 10.01 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA | LTE-A (4G), LTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM |
| Nano SIM | Nano SIM, Dual SIM |
| 6.7 | 6.7 |
| Battery Life | |
| 5160mAh Battery | 2550mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.88 | 4.56 |
| Other Features | |
| Bluetooth 5.0 | Bluetooth 4.1 |
| GPS | GPS |
| NFC | 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 |
The Galaxy S6 is slightly better than Xiaomi Poco X3 Pro, getting a general score of 87.4 against 83.4. Despite of the fact that Galaxy S6 is much older than Xiaomi Poco X3 Pro, it's design is a lot lighter and much thinner. These phones work with Android OS, but the Galaxy S6 has 5.0 version and Xiaomi Poco X3 Pro has Android 11 version.
Samsung Galaxy S6 features a much more vibrant screen than Xiaomi Poco X3 Pro, because although it has a lot smaller screen, it also counts with a higher 2560 x 1440 pixels resolution and a better count of pixels per inch of display. The Galaxy S6 has just a little better performance than Xiaomi Poco X3 Pro, because although it has 3 GB less RAM, and they both have a Octa-Core processor, the Galaxy S6 also counts with a 64 bits processor and an additional graphics co-processor.
Xiaomi Poco X3 Pro takes slightly better videos and photos than Samsung Galaxy S6, and although they both have the same video frame rate and the same 3840x2160 video quality, the Xiaomi Poco X3 Pro also has a lot larger back camera sensor shooting much higher quality pictures and videos, a camera in the back with way more MP and a bigger camera aperture to take better low-light photography and videos.
Xiaomi Poco X3 Pro counts with a much greater memory capacity for games and applications than Galaxy S6, and although they both have the same internal memory, the Xiaomi Poco X3 Pro also has a SD memory card expansion slot that admits a maximum of 1 TB. The Xiaomi Poco X3 Pro has a really longer battery duration than Samsung Galaxy S6, because it has 5160mAh of battery capacity instead of 2550mAh.
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