| Global Score | |
| 74.1 | 87.4 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 12 | Android 5.0 |
| 2022-06-23 | 2015-04-11 |
| 6.44 x 2.93 x 0.35 inches | 5.65 x 2.78 x 0.27 inches |
| 7.05 ounces | 4.87 ounces |
| Blue. Black and Silver | Black, Blue, Gold and White |
| Plastic | Aluminium and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 252.00 |
| Display / Screen | |
| 6.6 inches | 5.1 inches |
| 2460 x 1080 pixels | 1440 x 2560 pixels (Quad HD / 2K) |
| IPS LCD | Super AMOLED |
| 407 pixels per inch | 576 pixels per inch |
| No touch screen | Capacitive, Multi-touch |
| 7.5 | 9.9 |
| Performance | |
| MediaTek Dimensity 8100 SM8250- (5 nm) chipset | Exynos 7 Octa 7420 chipset |
| processor | 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor |
| 8 GB RAM | 3 GB (1600 MHz) RAM |
| Mali-G610 MC6 GPU | Mali-T760 MP8 (650 MHz) GPU |
| 6.21 | 10.08 |
| Storage | |
| 128 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 10.1 | 10.1 |
| Camera | |
| 64.00 MP + 16.00 MP | 16.00 MP + 5.00 MP |
| f/1.90 aperture | f/1.90 aperture |
| -- | 28.00mm focal length |
| 0.25 inches (1/4") sensor | 0.38 inches (1/2.6") sensor |
| 3840 x 2160 (4K) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 9.68 | 10.01 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, 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 |
| 10.7 | 6.7 |
| Battery Life | |
| 5080mAh Battery | 2550mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 4.56 |
| Other Features | |
| Bluetooth 5.3 | Bluetooth 4.1 |
| GPS | GPS |
| NFC | NFC |
| -- | 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 |
Galaxy S6 is better than Xiaomi Poco X4 GT, getting an 87.4 score against 74.1. Although the Galaxy S6 is notably older than the Xiaomi Poco X4 GT, it's design is noticeably thinner and way lighter. These devices have Android OS, but Galaxy S6 has the older 5.0 version and Xiaomi Poco X4 GT has Android 12 version.
Galaxy S6 has a really superior performance than Xiaomi Poco X4 GT, because although it has 5 GB lesser RAM memory, and they both have the same number of cores, the Galaxy S6 also counts with a 64-bits processing unit and a graphics co-processor. Galaxy S6 has an incredibly better display than Xiaomi Poco X4 GT, because although it has a much smaller display, it also counts with a higher count of pixels per inch in the display and a slightly better 2560 x 1440 resolution.
Galaxy S6 and Xiaomi Poco X4 GT both feature very similar memory to install games and applications, they have exactly the same 128 GB internal memory. The Xiaomi Poco X4 GT has a way better battery performance than Samsung Galaxy S6, because it has 5080mAh of battery capacity instead of 2550mAh. Samsung Galaxy S6 takes a bit better videos and photos than Xiaomi Poco X4 GT, because although it has a worse (4K) video resolution and a camera in the back with a much worse 16 mega pixels resolution, and they both have the same aperture, the Samsung Galaxy S6 also counts with a way bigger back-facing camera sensor.
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