![]() As you can see in the graph above, there was quite some variation of the actual capture time between consecutive shots. In our autofocus tests, the Xiaomi was capable of very fast capture, but not consistently so. The edge acutance is measured on the four edges of the Dead Leaves chart, and the shooting time is measured on the LED Universal Timer. On this scenario, the backlit panels in the scene are set up to simulate a fairly high dynamic range: the luminance ratio between the brightest point and a 18% reflective gray patch is 2, which we denote by a Exposure Value difference of 2. All pictures were taken at 1000Lux with Daylight illuminant, 500ms after the defocus. This graph illustrates focus accuracy and speed and also zero shutter lag capability by showing the edge acutance versus the shooting time measured on the AFHDR setup on a series of pictures. Please contact us on how to receive a full report. Full performance evaluations are available upon request. The following section gathers key elements of DXOMARK’s exhaustive tests and analyses. More details on smartphone camera scores are available here. For more information about the DXOMARK Camera protocol, click here. Photo, Zoom, and Video quality are scored separately and then combined into an Overall score for comparison among the cameras in different devices. Testing a smartphone involves a team of engineers and technicians for about a week. The scores rely on objective tests for which the results are calculated directly by measurement software on our laboratory setups, and on perceptual tests in which a sophisticated set of metrics allow a panel of image experts to compare aspects of image quality that require human judgment. Xiaomi 13 Ultra – Fairly wide dynamic range, good detail and pleasant colors Test summaryĪbout DXOMARK Camera tests: DXOMARK’s Camera evaluations take place in laboratories and in real-world situations using a wide variety of subjects. These factors, along with some autofocus and exposure-transition issues, partially prevented the 13 Ultra from scoring higher in the overall camera ranking and reaching the Top 5. In addition, video noise was slightly more intrusive in bright light compared to other competitors, and stabilization was inconsistent. Even some setbacks in the latest model were observed when compared with the 12S Ultra, such as in video artifacts like ghosting. Although the 13 Ultra performed well in many attributes, exposure instabilities remain a common issue in Xiaomi devices. When compared to its predecessor, the Xiaomi 12S Ultra, the 13 Ultra produced images with a similar rendering, with a significant improvement in zoom, as well as in video color and video autofocus. However, we noticed some issues with color and exposure transitions during scene changes, as well as some scene integrity artifacts on moving subjects. Video clips recorded on the 13 Ultra were overall rendered nicely, with significant improvements over the Xiaomi 13 Pro in terms of autofocus performance. This is something we had previously seen on other Xiaomi devices. On the downside, we also noticed some tone compression in high-contrast scenes which often resulted in washed out images and an overall unnatural look. In contrast to many direct competitors which have a tendency to oversharpen detail, texture and detail rendering were very natural. In photo mode, the Xiaomi 13 Ultra did especially well in low light, with excellent exposure and color rendering, and is among the best devices for this light condition. While the variable aperture remains a unique feature on Ultra-premium devices, the Huawei P60 Pro makes it part of its default mode. It’s a shame that Xiaomi chose not to implement this duo aperture as a default setting, instead, requiring the user to select it in a menu. But one of the most interesting technical features of the Xiaomi 13 Ultra is the option for a duo aperture, which allows the aperture to automatically switch between f/1.9 and f/4.0, depending on the scene. In default mode, the Xiaomi 13 Ultra’s main camera aperture is fixed at f/1.9. Thanks to the impressive combination of four camera modules and clever tuning, the 13 Ultra was capable of providing one of the most consistent experience across the zoom range we have seen to date. The camera benefitted especially from its remarkable results in the zoom category. With its performance in our tests, the Xiaomi 13 Ultra has secured itself a position among the top part of the DXOMARK camera ranking. Segmentation errors are sometimes visible in bokeh.Occasional scene integrity artifacts on moving elements in videos.White balance and exposure transition issues sometimes visible in video. ![]() Tone compression on faces in high dynamic range scenes.Oversaturated colors in outdoor conditions.Delay between pressing the shutter and capture.
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