Redmi K20 Pro hands-on: true flagship configuration, cost-effective benchmark
By Adeline Kuang 2019-05-30 2942 0
Along with the relatively rough design of the Redmi series, the design of the Redmi K20 Pro is extremely delicate, and many design elements that have never appeared in the Redmi products have been tried, especially this screen. Without the occlusion of water droplets and the flaws of punching, the Redmi K20 Pro presents the most complete screen, called the “extreme full screen”. Behind this design is the support of a higher-cost lift structure.
The Redmi K20 Pro's front camera module is located on the top left side and houses a 20 megapixel camera that is driven by a stepper motor and can be raised in 0.8 seconds when needed. Interestingly, a transparent strip of light is added to each side of the module, which can be accompanied by a red glow effect, which makes the camera module have more rituals during the lifting process.
In terms of reliability, the Redmi K20 Pro's lift camera has a lifespan of up to 300,000 times. The lens surface is covered with a sapphire glass cover, which is more scratch-resistant and wearable. In terms of drop protection, Redmi K20 Pro has a dual protection mechanism. On the one hand, the sensor detects the sensor in time, and the drive module actively retracts. On the other hand, the spring physical protection is built in, which provides buffer margin and better protects the front. Camera and lifting structure.
Extremely comprehensive screen
The Redmi K20 Pro has significantly narrowed down the four frames, especially the lower frame. By introducing the COF flexible packaging process, the frame of the screen module itself is narrowed, and the smart antenna switching technology is further used to further reduce the clearance area.
This screen is consistent with Xiaomi 9, which optimizes the display under strong light and low light, including Sun screen 2.0, smooth transition of highlight mode, low-light gamut compensation and grayscale optimization. At the same time, the eye protection mode has also been retained, and passed the VDE low blue eye protection certification of the German Institute of Electrical Engineers.
Advancing with the times, Redmi K20 Pro supports hardware-level DC dimming, which is to integrate the millet self-developing algorithm directly into the screen driver chip, ensuring the integrity of the data transmitted to the OLED panel by the underlying system, resulting in grayscale and color bits. There is no loss in the number, avoiding the "DC-like dimming scheme" due to mask grayscale resolution and color resolution degradation caused by mask + dither dimming, bringing more natural visual effects in low light.
In addition to the display, this screen is also equipped with a seventh-generation screen fingerprint. This is a coordinated upgrade of hardware and software compared to the previous generation. The first is the hardware level, using the latest optical fingerprinting scheme of Huiding. The single pixel area of the lens module has reached 7.2μm, which is 100% higher than that of the sixth-generation screen fingerprint.
The Redmi K20 Pro offers three colors, flame red, glacier blue and carbon black. Among them, flame red and glacier blue adopt the same process. After multi-layer coating treatment, 600 million nano-gratings are carved inside, which echoes the color diffused from inside and outside to form a very rich layer of light and shadow. When the light travels along the surface, the light and shadow on both sides of the fuselage is like a flame, as if it is spiritual.
48 million super wide-angle AI triple camera
Photographing is a highlight of the Redmi K20 Pro, featuring a wide-angle main camera + telephoto sub-photo + super wide-angle sub-photographing triple camera imaging solution.
Among them, the wide-angle main camera parameters are not compromised. The Sony IMX586 sensor, which is consistent with many flagships, has a 1/2-inch bottom and 48 million ultra-high-pixel output. The single pixel is 0.8μm, relying on the Quad Bayer array design, under dark light. It can improve the light-sensing ability by "pixel four-in-one", increase the unit pixel to 1.6μm, output high-definition images of 12 million pixels, and support the high-definition of the 42-megapixel HD through hardware Remosaic pixel rearrangement. Photo, providing higher resolution in a well-lit scene.
As for the other two sub-photographs, the telephoto sub-photograph is 8 megapixel output, f/2.4 aperture, 5P lens for zoom and portrait shooting; super wide-angle sub-camera is 13 megapixel output, f/2.4 aperture, 5P lens Supports ultra-wide angle shooting of 124.8 degrees. In addition, the Redmi K20 Pro also introduces a laser focusing system that compensates for traditional phase focusing.
Snapdragon 855+8 layer graphite stereo cooling system
In terms of hardware configuration, the Redmi K20 Pro is equipped with the Snapdragon 855 mobile platform without any suspense. As the current strongest flagship SoC, the Snapdragon 855 is built with 7nm technology, Kryo 485 custom core, 1+3+4 core design, with Adreno 640 GPU, Hexgon DSP, AI performance is 3 times higher than Snapdragon 845; In terms, the Snapdragon 855 uses an X24 LTE modem and supports up to LTE Cat20. In general, Qualcomm Xiaolong 855 has reached the highest level of current mobile phones in all aspects.
In order to play the strength of this SoC, the Redmi K20 Pro has also been upgraded to an 8-layer graphite stereo cooling system. This is a double-sided heat-dissipating structure that transfers heat to the screen through a custom 8-layer graphite average body, while the other side conducts heat through the graphite carbon steel to the rear case.
In this system, graphite is the core material for heat dissipation. It is provided by Apple supplier Japan's Zhonghua. The heat dissipation capability of the 8-layer graphite average temperature body used by Redmi K20 Pro is 650% higher than that of the single layer, which makes the motherboard produce. The heat can be quickly dissipated by the processor to the external space, reducing the temperature rise caused by heat build-up and ensuring better sustained performance output at high loads.
MIUI10+ full-featured NFC
The Redmi K20 Pro comes pre-installed with the MIUI10 system and has a new Game Turbo 2.0 game acceleration solution. In addition to enhancing the intelligent prediction of SoC resource scheduling, the touch mechanism is fully optimized at the BSP bottom layer to improve the handling and click response of the control. . Some of the bugs are that Game Turbo 2.0 has added the “Night Vision” feature of the chicken, and the intelligence is optimized for the contrast of the dark part of the screen, making it easier to find the dark enemy.
At the same time, Redmi K20 Pro is also the first Redmi model to support NFC function. It adopts the same NXP new-generation NFC chip SN100T as the iPhone XS series. It fully supports the functions of card reading, card writing and card simulation, and functions related to MIUI. Open, daily mobile phone bus card, bus card recharge, UnionPay cloud flash payment, door card simulation, etc. are not a problem at all, it is the most widely used NFC.
Summary: flagship product strength, cost-effective benchmark
Redmi K20 Pro is available in four versions, 6GB+64GB for 2499 yuan; 6GB+128GB for 2599 yuan; 8GB+128GB for 2799 yuan; 8GB+256GB for 2999 yuan, currently available for sale The cheapest Snapdragon 855 model.
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