| Global Score | |
| 83 | 87.4 |
| Basic Information | |
| Xiaomi | Samsung |
| Android 10 | Android 5.0 |
| 2021-01-18 | 2015-04-11 |
| 6.37 x 3.04 x 0.36 inches | 5.65 x 2.78 x 0.27 inches |
| 7.02 ounces | 4.87 ounces |
| Daybreak purple and Nightfall black | Black, Blue, Gold and White |
| Plastic | Aluminium and Glass |
| Scratch-Resistant Glass | Scratch-Resistant Glass |
| -- | $ 252.00 |
| Display / Screen | |
| 6.5 inches | 5.1 inches |
| 2340 x 1080 pixels | 1440 x 2560 pixels (Quad HD / 2K) |
| IPS LCD | Super AMOLED |
| 396 pixels per inch | 576 pixels per inch |
| No touch screen | Capacitive, Multi-touch |
| 8.1 | 9.9 |
| Performance | |
| MediaTek Dimensity 800U chipset | Exynos 7 Octa 7420 chipset |
| ARM Cortex-A76 and ARM Cortex-A55, 64-bit, 7 nm (Octa-Core 2400 MHz) processor | 64-bit ARM Cortex-A57 (Quad-Core 2100 MHz + Quad-Core 1500 MHz) processor |
| 4 GB RAM | 3 GB (1600 MHz) RAM |
| Mali-G57 MC3 GPU | Mali-T760 MP8 (650 MHz) GPU |
| 9.36 | 10.08 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| microSDXC (up to 512 GB) external memory slot | No SD card slot |
| 11.74 | 10.1 |
| Camera | |
| 48.00 MP + 13.00 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 (120 fps) (Full HD) slow motion video | -- |
| 11.55 | 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, Dual SIM | Nano SIM, Dual SIM |
| 10.7 | 6.7 |
| Battery Life | |
| 5000mAh Battery | 2550mAh Battery |
| Non-Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 6.8 | 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 is slightly better than the Xiaomi Redmi Note 9T, with a overall score of 87.4 against 83. Galaxy S6's construction is lighter and incredibly thinner than the Xiaomi Redmi Note 9T, even though it was released many years before. Both phones in this review use Android OS (operating system), but Galaxy S6 has the older 5.0 version while Xiaomi Redmi Note 9T has Android 10 version.
The Galaxy S6 features a little bit better performance than Xiaomi Redmi Note 9T, because although it has a lower amount of RAM, and they both have a Octa-Core CPU, the Galaxy S6 also counts with a 64-bit CPU and an additional graphics processor. The Galaxy S6 has a lot better looking screen than Xiaomi Redmi Note 9T, because although it has a really smaller display, it also counts with a better 2560 x 1440 resolution and more pixels per screen inch.
Xiaomi Redmi Note 9T counts with a better camera than Galaxy S6, and although they both have the same video frame rates and the same (4K) video definition, the Xiaomi Redmi Note 9T also has a larger camera aperture to capture better low-light images, a much bigger sensor capturing lot higher quality videos and photographs and a way more megapixels back camera.
The Xiaomi Redmi Note 9T has a quite bigger storage to install applications and games or saving photos and videos than Galaxy S6, because although it has just 64 GB internal memory, it also counts with a SD memory slot that allows a maximum of 512 GB. Xiaomi Redmi Note 9T has a very superior battery life than Samsung Galaxy S6, because it has a 96 percent more battery size.
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