The situation is similar for the 5 lux low-light shots below. Most common artifacts, such as ringing, chromatic aberrations, and ghosting are very well under control on the Xiaomi Mi 9. The effect is very visible in the bright backgrounds in the images below. We also observed a kind of dark halo along some high-contrast edges. In the Mi 9 sample below, the wall to the right of the window is very dark before it increases to a brighter tone. In the iPhone XS Max image on the right, which is much closer to the real scene, the tones of the wall are much more consistent.
On the plus side, the Mi 9 controls flare much better than the iPhone in this particular scene. The Xiaomi Mi 9 achieves the best Flash score of all devices we have tested so far, thanks to good exposure with very little vignetting , excellent repeatability , well-controlled noise levels, and fairly accurate white balance when shooting both with flash only or when using the flash with 5 lux of ambient tungsten illumination. The Xiaomi Mi 9 comes with a 2x optical zoom lens and uses a multi-frame super-resolution algorithm to optimize image quality for transitions between the 1x and 2x zoom settings.
The result is one of the best scores for Zoom in our test database, albeit not quite on same the level as the class-leading Huawei Mate 20 Pro. Overall, the Xiaomi zoom performs very well in all conditions, but images are noisier than on the Huawei and artifacts are sometimes visible.
Xiaomi Mi 9 camera review (originally published February 20, 12222)
In outdoor conditions, detail rendering is good even at medium- and long-range zoom settings, but some luminance noise is visible. The Huawei Mate 20 Pro is capable of capturing a much cleaner image in dim conditions, though. The Xiaomi Mi 9 triple-camera also works very well in Bokeh mode, achieving the second-best score to date. Results are very repeatable and the simulated bokeh has a good shape, along with very smooth blur transitions into the background, although on occasion the blur gradient in the foreground can change a little abruptly.
Foreground subject isolation from the background is generally very good, but some motion blur is visible on moving subjects in the scene. Spotlights in the background are rendered with good contrast, but the shape is not circular, resulting in a slightly unnatural effect. At 99 points, the Xiaomi Mi 9 achieves the best score for Video we have seen so far, making it the current go-to device for mobile videographers. The overall video score is derived from a number of sub-scores in the same way as the Photo score: Exposure 85 , Color 91 , Autofocus 94 , Texture 70 , Noise 78 , Artifacts 80 , and Stabilization This gives the device a distinct advantage in the texture and detail department.
As you can see in the graph below, in video mode the camera captures very good texture in bright light. Detail levels reduce with light levels, but the camera still captures good textures under interior lighting, and edge detail is consistently good down to low light. Overall, the Mi 9 is the best phone for video texture we have tested so far.
The camera not only manages to capture excellent video detail, it is also capable of keeping noise low across most illumination levels. Noise becomes more visible in low light, however, especially on moving subjects in the scene. Given that video footage in 4K resolution requires a lot more processing power for efficient stabilization than Full-HD video, the Xiaomi also performs impressively well for stabilization, achieving a score of 92 points.
Stabilization is slightly more efficient in bright outdoor light than under typical indoor lighting conditions, but works equally well when holding the camera still or when walking while recording. The Mi 9 is also our top device for video color, thanks to generally pleasant color rendering in all situations and no color shading.
White balance transitions under changing light sources are fine as well, with only some slight stepping under indoor lighting.
Xiaomi Redmi 4A
Target exposure is very good, even in low light, and transitions are smooth. Dynamic range is somewhat limited, but the Mi 9 has that in common with most of its direct competitors and overall, only the Apple iPhone XS Max with its HDR video algorithm achieves better dynamic range in video mode. Artifacts are well-controlled overall, but we noticed some aliasing on diagonal lines and a slight judder effect when panning. There are also some dropped frames in all conditions, but our testers counted only about four dropped frames per minute of recording, so the effect will hardly be noticeable to the casual viewer.
The Xiaomi autofocus system worked well in video mode, too. It is good at tracking and is always responsive. The only situation in which we noticed a loss of focus was walking while recording under indoor lighting. With convincing results across the board and no major flaws, the Mi 9 is the third-best device so far for still imaging, edged out only by Huawei juggernauts Mate 20 Pro and P20 Pro. In video mode it does even better, finding itself at the very top of our ranking, making it the top choice for mobile video shooters. This is partly due to the Mi 9 being the first test device recording 4K video by default and therefore scoring very high for texture and detail, but it also puts in a very good performance in all other test categories.
Still, it might be considered a very useful tool by many, making the Xiaomi Mi 9 even easier to recommend to anyone who likes taking pictures and recording videos with their smartphone. Read more about our Comment Policy. Updated: Xiaomi Mi 9 camera review. Update summary. Xiaomi Mi 9 Xiaomi Mi 9, 18mm, image detail. Xiaomi Mi 9, crop. Samsung Galaxy S10 5G, 18mm, image detail. Samsung Galaxy S10 5G, crop. Huawei P30 Pro, 18mm, image detail. Huawei P30 Pro, crop. Xiaomi Mi 9, no geometric distortion correction with people in the frame.
Xiaomi Mi 9, flash auto night portrait, good exposure on face. Samsung Galaxy S10 5G, flash auto night portrait, good portrait on face, dark background. Huawei P30 Pro, flash auto night portrait, good portrait on face, dark background. Xiaomi Mi 9, auto flash low-light cityscape, highlight clipping. Xiaomi Mi 9, crop showing highlight clipping.
Samsung Galaxy S10 5G, flash auto night cityscape. Samsung Galaxy S10 5G, crop showing well-controlled highlight clipping.
Huawei P30 Pro, auto flash night cityscape. Huawei P30 Pro, crop showing well-controlled highlight clipping. Xiaomi Mi 9, night mode portrait. Xiaomi Mi 9, crop showing strong white balance cast.
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Huawei P30 Pro, night mode portrait. Huawei P30 Pro, crop showing average white balance cast. Google Pixel 3, night mode portrait. Google Pixel 3, crop showing slight white balance cast. Xiaomi Mi 9 images show good exposure and well-controlled noise levels in almost all conditions. White balance is accurate and color rendering pleasant. The Xiaomi Mi 9 maintains good color, exposure, and noise levels in indoor scenes. In video mode, the Mi 9 captures very good detail even at a low 20 lux video still.
List of Xiaomi products - Wikipedia
Xiaomi Mi 9, out-of-focus image in backlit scene. Xiaomi Mi 9, outdoor detail. Apple iPhone XS Max, outdoor detail. Apple iPhone XS Max, crop. Huawei Mate 20 Pro, outdoor detail. Huawei Mate 20 Pro, crop. Xiaomi Mi 9, low-light detail, 20 lux. Apple iPhone XS Max, low-light detail, 20 lux. Huawei Mate 20 Pro, low-light detail, 20 lux.
Xiaomi Mi 9
Xiaomi Mi 9, visual noise and noise chromaticity by lighting condition. Xiaomi Mi 9, outdoor noise. Apple iPhone XS Max, outdoor noise. It measures The screen has a resolution of x pixels and ppi pixel density.
It is backed by a mAh battery. Xiaomi Mi 9 is speculated to be launched in the country on March 18, Expected. User Reviews and rating 4. Rate Device Review Device. We have sent you a verification email. To verify, just follow the link in the message. Xiaomi Mi 9 Specifications Summary. Similar Gadgets. OnePlus 7. Show Gadgets. Popular Mobiles Comparisons VS. Xiaomi Slideshows. Xiaomi stops work on its own chipsets: Report. See more News. Xiaomi Videos.