1. Overview of Samsung Galaxy S21 and Xiaomi Mi 11

2. Detailed Comparison of Features and Specifications between Samsung Galaxy S21 and Xiaomi Mi 11
– Design
Samsung Galaxy S21's design is noticeably smaller and lighter compared to the Mi 11. The finishing materials differ; while Xiaomi Mi 11 features a metal frame and Gorilla Glass 5 on the back, the Samsung Galaxy S21 opts for an aluminum frame and a rear covered in textured plastic. However, the plastic back on the Galaxy S21 provides an excellent tactile feel, and most people may not even realize it's plastic.
S21 features a trio of rear lenses arranged in a straight line, creating a balanced and soft look. The metal surrounding the camera seamlessly connects to the frame, adding a special touch. In contrast, Mi 11 boasts three rear camera lenses designed within a square frame with rounded edges, equally impressive.

Samsung Galaxy S21 is waterproof and dustproof with an IP68 rating, while Xiaomi Mi 11 lacks this feature.
– Display
Both phones have hole-punch displays, but with different hole-punch positions. Galaxy S21 has the front camera placed centrally at the top of the screen, while Xiaomi Mi 11 positions its front camera in the top-left corner. Both phones feature truly slim bezels. Galaxy S21 has a flat display, while Xiaomi Mi 11 has a curved screen.
Samsung Galaxy S21 boasts a Dynamic AMOLED 2X display with Full HD+ resolution (2400 x 1080), 6.2 inches, and a 120Hz adaptive refresh rate ranging from 48Hz to 120Hz. It is protected by Gorilla Glass Victus, Corning's latest screen protection. This screen supports HDR10+ and reaches a maximum brightness of 1,300 nits.
Meanwhile, Xiaomi Mi 11 features a superior display with an AMOLED panel, 6.81 inches, QHD+ resolution (3200 x 1440), and an adaptive refresh rate of up to 120Hz. The screen can reproduce up to 1 billion colors, supports HDR10+, and is protected by Gorilla Glass Victus, similar to the Galaxy S21.
Technically, Xiaomi Mi 11 boasts a superior display, sharper and more vibrant, but few will notice the difference as both deliver excellent display quality and performance.

– Configuration
Xiaomi Mi 11 takes the lead over the Galaxy S21 in hardware configuration with a larger 12GB RAM. Both phones derive their power from the Snapdragon 888 chipset. However, most global versions of the Samsung Galaxy S21 use the Exynos 2100 chip, except for North America, Hong Kong, and South Korea, which may use the Snapdragon 888. The performance of these chips is generally considered equivalent.
– Camera
Both camera setups excel with three rear cameras and one front camera, but they yield significantly different results. Samsung Galaxy S21 features a 12MP main lens, a 12MP ultra-wide lens, and a 64MP telephoto lens. In contrast, Xiaomi Mi 11 includes a 108MP main camera, a 13MP ultra-wide lens, and a 5MP macro camera.
In this aspect, the S21 outperforms with a more versatile camera system, offering a telephoto lens supporting optical zoom up to 3X, digital zoom up to 30X, as well as dual OIS stabilization and superior additional sensors.
Xiaomi Mi 11 disappoints with its secondary cameras despite boasting a 108MP main camera.

– Battery and Charging
When it comes to battery, the Samsung Galaxy S21 is equipped with a 4,000mAh battery, while the Xiaomi Mi 11 comes with a larger 4,600mAh battery. However, given the differences in screen size and resolution, the variation in battery capacity is not surprising.
Regarding charging, the Mi 11 has a clear advantage. It offers 55W wired fast charging, 50W fast wireless charging, and reverse wireless charging. Samsung Galaxy S21 only supports 25W wired fast charging, 15W wireless charging, and reverse wireless charging. Therefore, Xiaomi Mi 11 will charge much faster than the Galaxy S21, whether you use wired or wireless charging. Additionally, the Galaxy S21 does not come with a charging brick in the box, while Xiaomi Mi 11 does.
3. Pricing of Samsung Galaxy S21 and Xiaomi Mi 11
The reference prices are:
– Samsung Galaxy S21 8GB/128GB: 14,990,000 VND
– Xiaomi Mi 11 8GB/256GB: 15,200,000 VND
– Xiaomi Mi 11 8GB/128GB: 14,200,000 VND
4. Choosing Between Samsung Galaxy S21 and Xiaomi Mi 11
With comparable prices, both phone series are solid choices. If you prefer a smaller phone with a flat screen or prioritize superior camera performance, the Galaxy S21 is for you. If you prefer a larger phone with a bigger screen and don't mind a curved display, the Mi 11 is a genuinely good option.