P40 Pro Plus VS Galaxy S20 Ultra 5G
“Hold the artifact, take a photo first”. After sweeping the street, the Samsung Galaxy S20 Ultra 5G, which was supposed to be 108 million, will take clearer photos, but during the actual shooting, the editor found that the difference in clarity between the two is not obvious. Do not believe we take a look at the proofs:
At the same location, the above picture was taken with the “high pixel mode” of Samsung S20 Ultra and Huawei P40 Pro+. Overall, Huawei P40 Pro+ and Samsung Galaxy S20 Ultra high-pixel mode sample images look close, but the Samsung Galaxy S20 Ultra sky is more beautiful, the tolerance of sky clouds is also better; Huawei P40 Pro+ has an overexposure feeling in the upper left corner .
In the partial enlarged view, the details of Samsung S20 Ultra in building decoration and pattern texture are indeed more abundant. It has a slightly stronger resolution than Huawei P40 Pro+, but the sharpening effect in the picture is obvious, and the performance of light is not good.
Seeing this, everyone can clearly perceive: the difference between 108 million pixels and 50 million pixels is not much smaller, at least much smaller than I thought. Isn’t it the clearer the higher the pixel? Why is this?
Principle analysis: the trade-off between high pixels and large pixels
I believe that many people have the same doubts as the editor, and obviously bought a high-resolution mobile phone, but the photos taken are not as good as the low-pixel mobile phone. The most classic example: In previous years, Apple hit 8 million pixels, 12 million pixels, 16 million pixels, 24 million pixels and other Android phones. What is this? Let’s analyze from the principle.
Regardless of the camera or mobile phone, the imaging principle is inseparable from the small hole imaging. To put it simply (inaccurate, roughly): the light screen in small-hole imaging is the CMOS of the camera, and the number of pixels refers to the number of points on the CMOS that can sense optical information. The pictures we took were calculated from these pixel information. In the case of sufficient ambient light, the higher the number of pixels, the denser the points where the light signal is felt, and the picture will be clearer.
However, when the CMOS area is the same/close, the larger the number of pixels, the smaller the unit pixel size and the worse the high-sensitivity performance. Especially when the pixel density increases, the pixels are more likely to interfere with each other, reducing the signal-to-noise ratio of the pixels, resulting in deterioration of image quality such as artifacts and noise.
The 50-megapixel main camera of Huawei P40 Pro+ uses IMX700, which not only supports the RYYB filter array, but also has the largest CMOS area of 1/1.28 inches in the industry, with a unit pixel size of 1.22 μm.
The Samsung Galaxy S20 Ultra’s 108-megapixel main camera uses S5KHMX with a CMOS area of 1/1.33 inches and a unit pixel size of 0.8 μm.
Comprehensive hardware configuration and imaging principle: Samsung Galaxy S20 Ultra 5G has high pixel value, but the CMOS area is lower than Huawei P40 Pro+, and the pixel area of Samsung Galaxy S20 Ultra 5G is smaller than Huawei P40 Pro+, so the resolution of the two is different not big.
In the case of sufficient light, the 108 million pixels of the Samsung Galaxy S20 Ultra 5G does have a stronger resolution; under low light conditions, the Huawei P40 Pro+ with a large pixel area performs better in terms of clarity.
Under sufficient light conditions. The Samsung Galaxy S20 Ultra 5G’s 108 million pixel advantage is vividly reflected. Even if it is close to 50 meters from the building, the Samsung Galaxy S20 Ultra 5G can clearly show the pattern details of the building surface; while the Huawei P40 Pro+ has the same Samsung Galaxy S20 Ultra 5G differs a lot, and the side patterns are looming.
At night when the light is extremely dark, the imaging gap between the two due to pixel density has to be further enlarged. As you can see in the picture, although the proofs of the two phones have different degrees of exposure. However, from the perspective of zooming in on the highlights of the highlights, the highlight suppression of the Huawei P40 Pro+ in the light belt section is better, and the purity of the background sky is higher; while the background sky of the Samsung Galaxy S20 Ultra 5G is full of screen noise, which is unbearable.
The actual shooting performance of the two phones is comparable. Specifically, when the ambient light is sufficient, the 108 million pixels of the Samsung Galaxy S20 Ultra 5G do have an analytical advantage. However, when the light conditions are normal, the Huawei P40 Pro+ with a large pixel area + RYYB array will have more advantages, with better picture details, highlights, and noise control.