What does "DxOMark's score" mean when Google Pixel exceeds iPhone 7?

The Google genuine smartphone "Google Pixel" announced on October 5, 2016 exceeds iPhone 7 and Nexus 6 P in the score of DxOMark which scores and reviews the camera. I tried to summarize what the score of this "DxOMark" is.

DxOMark by DxO - DxOMark
https://www.dxomark.com/


"DxOMark" makes image processing software for cameras and photographers, image processing engines embedded in terminals, etc.DxOA site operated by. We analyzed images and images taken with more than 9000 cameras, lenses and mobile phones in a wide range and compare the results with the characteristics of the sensor, brand, price, release date, resolution, sensor format, camera type, It is made public so that everyone can use it.

For example, the camera database looks something like this. The camera database looks something like this. The 1st place in the overall point is Sony'sΑ 7 R II(98 points), Nikon's second placeD 810(97 points), Sony's third placeCyber-shot DSC-RX 1 RM 2(97 points).

Camera Database - DxOMark
https://www.dxomark.com/cameras#hideAdvancedOptions=false&viewMode=list&yDataType=rankDxo


There are three evaluation items in the camera: "portrait (color depth)" "landscape (dynamic range)" "sports (low illuminance ISO)". "Color depth" is the number of colors that can be displayed on the screen / pixel, and the score is calculated by bit. If there are 22 bits, it is excellent, but the difference of less than 1 bit is enough to understand with the hare. "Dynamic range" is the ratio (EV) of the difference between the brightest part and the darkest part that can be recorded by the camera, with an excellent value of 12 EV. Level below 0.5 EVs is unnoticeable. "Low Illuminance ISO" is a color depth of 18 bits · dynamic range when maintaining 9 EV when shootingS / N ratioIs the highest ISO value such that it becomes 30 dB. In short, when photographing wild animals and sports etc., it is the value which how much ISO can be taken stably under low illuminance. Rather than just ranking these three, the overall judgment result is the above total score.

On the other hand, score ranking has been issued for mobile terminals, but sorting by specifications is not possible.

DxOMark Mobile - DxOMark
https://www.dxomark.com/Mobiles


First place is 89 points with Google Pixel, second placeHTC 10·Samsung Galaxy S 7 edge·Sony Xperia X PerformanceAre lining up at 88 points. IPhone 7 ranked fourth in 86 points for Apple makers.


The evaluation axis of the camera of the mobile terminal is seven: "exposure and contrast" "color" "autofocus" "texture" "noise" "artifact" "flash".

In DxOMark, we are reviewing Google Pixel compared to examples of Samsung Galaxy S 7 edge, HTC 10 and Sony Xperia X Performance.

Pixel smartphone camera review: At the top - DxOMark
https://www.dxomark.com/Mobiles/Pixel-smartphone-camera-review-At-the-top

By the way, Nikon's single lens reflex camera D4S also has a total score of 89, so if we extract only this number, it will be a momentary illusion as though Google Pixel and D4S are playing a good match, but actually Since the evaluation axis is completely different, we can not compare across the scores of "camera" and "mobile device".

Nonetheless, DxOMark's conclusion is that Google Pixel is pulling out one of the current mobile devices. As Nexus 6P scores 84 and Nexus 6 78, as well as Nexus users who are dissatisfied with camera performance, iPhone users and Xperia users, if they choose a device for camera reasons, Google Pixel It seems to be a comparison target.