| Global Score | |
| 77.8 | 87.4 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 11 | Android 5.0 |
| 2022-03-15 | 2015-04-11 |
| 6.01 x 2.75 x 0.32 inches | 5.65 x 2.78 x 0.27 inches |
| 6.21 ounces | 4.87 ounces |
| Blue, Grey and Purple | Black, Blue, Gold and White |
| Aluminum and Glass | Aluminium and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 252.00 |
| Display / Screen | |
| 6.3 inches | 5.1 inches |
| 2400 x 1080 pixels | 1440 x 2560 pixels (Quad HD / 2K) |
| AMOLED | Super AMOLED |
| 418 pixels per inch | 576 pixels per inch |
| 1100 cd/m2 brightness | -- |
| No touch screen | Capacitive, Multi-touch |
| 8.9 | 9.9 |
| Performance | |
| Qualcomm Snapdragon 870 SM8250-AC (7 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 |
| Adreno 650 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 | |
| 50.00 MP + 32.00 MP | 16.00 MP + 5.00 MP |
| f/1.90 aperture | f/1.90 aperture |
| 50.00mm focal length | 28.00mm focal length |
| -- | 0.38 inches (1/2.6") sensor |
| 7680 x 4320 (24 fps) video resolution | 3840 x 2160 (30 fps) (4K) video resolution |
| 1920 x 1080 (960 fps) (Full HD) slow motion video | -- |
| 11.88 | 10.01 |
| Networks | |
| Wi-Fi | Wi-Fi |
| Mobile Hotspot | Mobile Hotspot |
| 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G) and HSDPA | LTE-A (4G), LTE (4G), HSPA, HSUPA, UMTS, EDGE, GPRS and GSM |
| Nano SIM, Dual SIM | Nano SIM, Dual SIM |
| 10.6 | 6.7 |
| Battery Life | |
| 4500mAh Battery | 2550mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.32 | 4.56 |
| Other Features | |
| Bluetooth 5.1 | 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 has a score of 87.4, which is much better than the Xiaomi 12X's 77.8 score. Both devices in this comparison include Android operating system, but the Galaxy S6 has 5.0 version while Xiaomi 12X has Android 11 version. Galaxy S6 is an noticeably older phone than the Xiaomi 12X, but it is noticeably lighter and thinner anyway.
Galaxy S6 has a very superior hardware performance than Xiaomi 12X, because although it has 5 GB lesser RAM memory, and they both have a Octa-Core CPU, the Galaxy S6 also counts with an extra graphics co-processor and a 64 bits CPU. Samsung Galaxy S6 counts with a more vivid screen than Xiaomi 12X, because although it has a bit smaller screen, it also counts with a higher resolution of 2560 x 1440px and a higher screen pixel density.
The Xiaomi 12X and the Samsung Galaxy S6 both count with extremely similar memory capacity to install applications and games, they have exactly the same internal storage. The Xiaomi 12X features a superior camera than Samsung Galaxy S6, and although they both have a F1.9 aperture, the Xiaomi 12X also has a much more MP back camera and a much higher video resolution.
Xiaomi 12X has a way better battery life than Samsung Galaxy S6, because it has 4500mAh of battery capacity instead of 2550mAh.
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