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There are two working modes: automatic setting time and random time. It can be placed in toilets, kitchens, office buildings, hospitals, banks and other places.Suitable for a variety of viscous liquids, such as hand soap, detergent, disinfectant, sunscreen, etc. It can be placed in toilets, kitchens, office buildings, hospitals, banks and other places.
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The two products for comparison are Changhong U-MAX living room TV (55B6000) and Skyworth 50E780U smart TV. The two products are mainly taken into consideration in the following aspects. First: There are few home appliance manufacturers that have already launched 4K TVs and have mass production. Second: From the perspective of sales feedback from home appliance stores, Changhong and Skyworth are particularly prominent in sales of 4K TVs. Third: Many household electrical appliance companies only do high-end 4K TVs, while high-end or medium-end products do not basically involve.
To sum up, we chose Changhong and Skyworth, two brands with wider coverage of 4K TVs, and selected two products with the same positioning: Changhong U-MAX living room TV (B6000 series) and Skyworth E780U smart TV.
So how do the two identically positioned 4K TVs perform in the end, then we will test the Changhong U-MAX living room TV (B6000 series) and the Skyworth E780U smart TV through rigorous testing.
Products: 4K+ Smart Changhong & Skyworth Competitive Products
Before the comparison test, first learn about Changhong U-MAX living room TV and Skyworth E780U smart TV.
Changhong U-MAX living room TV is a mid-range positioning product launched at the beginning of the year. The highlights of this product are the 4K picture quality, U-MAX living room projection system and full voice browsing. In particular, the addition of the 4K picture quality and the U-MAX living room projection system brings a shocking visual impact to users, as if they were sitting in an I-MAX theater. 
Of course, Changhong U-MAX living room TV is also a product focused on functional performance, it is understood that the full voice browser, multi-screen interactive features such as adding to the product to expand the market has made no small contribution. From this point of view, although its positioning is not high, Changhong U-MAX living room TV has a good market in terms of picture quality, sound effects and features.
Although the market has been around for about half a year, positioning the mid-range Skyworth E780U smart TV still has extremely high popularity due to its impressive 4K picture quality. Of course, in the 4K picture brought to the vast number of users shocked visual impact, Skyworth E780U smart TV did not ignore the enhancement of product features, especially the voice function is added to facilitate the use of the user. 
Since we must do comparative evaluation, then we must first find differences from Changhong U-MAX living room TV and Skyworth E780U smart TV system itself, technical characteristics and other aspects. From the above comparison table, you can see that Changhong U-MAX living room TV and Skyworth E780U smart TV are the biggest difference in sound performance. 
Changhong U-MAX living room TV has U-MAX living room projection system, and Skyworth E780U smart TV is joined by SRS Trusurround HD surround sound system. What difference will the sound technology bring to the two products? What would be the difference between Changhong U-MAX living room TV and Skyworth E780U smart TV with the same technical characteristics? With questions we will enter today's comparative test content.
4K articles: 4K picture quality significantly improved Changhong 4K TV finish opponent
Compared with the display resolution of the 2K screen, the 4K screen achieves a significant improvement in the display resolution, and with the increase of the pixel points, the 4K screen should be improved in terms of picture clarity. From 2K TV to 4K TV, has the TV picture been improved in terms of clarity, color reproduction, and dynamic effects? Next we will verify with some comparative tests. 
We found from the comparison of Changhong U-MAX living room TV and Skyworth E780U smart TV's 2K and 4K images that the 4K TV has improved significantly in terms of screen resolution, color reproduction capability, and dynamic effects after screen resolution enhancement. .
Then in the 4K picture quality, Changhong U-MAX living room TV and Skyworth E780U smart TV in the end who compete with, the following will enter the two products 4K picture quality comparison test. 
In the 4K movie "Avenger's Alliance" comparison, Changhong U-MAX living room TV and Skyworth E780U smart TV for the dynamic picture performance is still good, basically able to meet the user's viewing needs.
Throughout the 4K picture quality comparison, the dozens of media guests invited to experience and on behalf of the netizens affirmed the outstanding performance of Changhong U-MAX living room TV in 4K picture quality comparison. As Ma Cong, deputy chief editor of China National Grid, said: "In the era of 4K, the test is the comprehensive strength of the manufacturers, 4K panel can be bought by anyone, but the improvement of the 4K experience requires all kinds of intensive cultivation. Changhong is very good in these areas. awesome!"
2K articles: quality comparison Changhong Skyworth is difficult to split
The performance of 4K picture quality is important, but due to the limited 4K source, we still have to use 2K picture quality for more time. How about the effect of 2K picture with 4K TV? 
Nowadays, intelligence has become a trend in the development of home appliances. Based on the actual situation, we have singled out four common characteristics of two products: boot speed, multi-screen interaction, voice function, and browser compatibility. Check out the Changhong U-MAX living room. What are the performances of TV and Skyworth E780U smart TV in terms of intelligence? 
Voice test found Changhong U-MAX living room TV is very powerful, whether it is resource search, or for the browser's voice operations, such as page zoom, direct voice to open web pages, web search, etc. can be easily completed, channel switching, signal source The change can also be completed by voice. It can be said that Changhong U-MAX living room TV can complete the complete operation of the TV via voice, and the voice function is very powerful. The Skyworth E780U smart TV can only perform simple voice search, and functions such as voice reading and voice browser, Skyworth E780U smart TV has almost no involvement.
Intelligent articles: slightly more controllable and compatible with Changhong
Multi-screen interaction is an application that smart TVs currently have, in order to facilitate consumers to switch between multiple terminals. After testing, Changhong U-MAX living room TV supports all intelligent terminal devices (such as mobile phones and tablets) of IOS system and Android system, while Skyworth E780U smart TV supports only intelligent terminal devices of Android system. This makes many Apple fans certainly not very good experience interactive, if the home smart terminals are IOS systems, Skyworth E780U smart TV's multi-screen interactive features is furnishings. 
Smart articles: video buffering time comparison
Since Changhong U-MAX living room TV and Skyworth E780U smart TV are different in the playback software of the two products, different playback software has been selected for comparison. Since the playback and playback software is different, the test results are for reference only.
In the same LAN environment, through the on-demand video on-demand buffer testing of two cameras, Changhong U-MAX living room TV and Skyworth E780U smart TV can play video smoothly. 
The two televisions are compared by intelligent five aspects (starting speed, voice function, multi-screen interaction, browser compatibility, and video on demand buffering). Changhong U-MAX living room TV is at startup speed, voice function, and multi-screen interaction. The area has an excellent and obvious advantage. In terms of browser compatibility, Skyworth's E780U smart TV and Changhong U-MAX living room TV can all be opened smoothly, but Skyworth is slightly better in speed. On the whole, Changhong is more humane in terms of intelligence and more convenient to use. It has been favored by guests who are invited to participate in 4K TV experience.
Such a powerful intelligent application experience allows us to think of the LeTV super TV that was highly concerned. But now that LeTV is not yet available, we have already experienced the performance of today's powerful smart TVs. Of course, we cannot make inferences and look forward to the battle for the king of smart TVs.
Sound Effects: Home Theater PK Changhong Slightly Home I-MAX
As a living room exclusive product, both vivid pictures and realistic spot sound effects are indispensable. Then, how about the sound performance of Changhong and Skyworth, the 4K TVs that strive for excellence in picture quality?
Since sound effects can be seen as benevolent and wise see wisdom, in order to reflect the views of different groups of people, we invited many auditors to compare the sound effects of Changhong U-MAX living room TV and Skyworth E780U smart TV in the form of live blind listening.
The vast majority of listeners compared the Changhong U-MAX living room TV with Skyworth E780U smart TV audio blindness, and believe that Changhong U-MAX living room TV has the best performance in terms of sound effects. The on-the-spot stunning sound effects are equipped with a powerful 4K picture quality performance. Changhong U-MAX living room TV sets up an analog I-MAX movie theater for users, bringing everyone a live cinema zero-distance experience.
As the well-known domestic audio forum long-term moderator Zhongyi (net name) after the experience of comments: "Changhong U-MAX living room TV sound relatively solid, many flat-panel TVs due to ultra-thin design, have affected the quality of the sound. Changhong's U-MAX products are able to perform well in all frequency bands, and they are very valuable in the television field."
Wu Di, another Chinese publisher of the earliest international video magazine “What Hi-Fiâ€, also highly praised the audio performance of Changhong U-MAX TV: “In China, not every family has a cinema product, so TV becomes The only way to experience high-quality audio, however, the development of flat-panel TVs in recent years has just ignored the improvement of sound quality, until the emergence of U-MAX TV, this delicate, sharp and balanced sound makes consumers from TV products. It's possible to experience high-quality audio."
As an electronic product, internal industrial design, product materials and workmanship, etc., will not only affect the durability and service life of the entire product, but also can reflect a manufacturer's level of technology and production know-how. 
In order to allow readers to more in-depth understanding of the evaluation of the two 4K TV's "internal situation", we specially invited many years of TV repair master Liu master disassemble part testing. 
Who is "Lecherous" who is smart Changhong & Skyworth 4K TV PK
Skyworth and Changhong are leading companies in the domestic color TV industry, and their TV products are also keeping up with the times and constantly innovating to bring better operating experience to users. Which is better for Skyworth TV and Changhong TV? Xiao Bian chasing the trend of smart TV market, for everyone and you choose which two brands under the 4K TV detailed disassemble contrast presentation, to help you better choose.
Changhong U-MAX living room TV
Skyworth E780U Smart TV
Changhong TV and Skyworth TV Key Information Data Sheet
Changhong TV
Skyworth TV
Roast Duck 4K Source Comparison
Roast Duck 4K Source Comparison
4K picture real shot chart comparison
4K picture real shot chart comparison
In 4K picture display and 4K film source contrast test with bright contrast, it can be seen that Changhong U-MAX living room TV is superior to Skyworth E780U smart TV in picture color reproduction degree, picture sharpness, and detail performance. Especially in the "Roast Duck" video, Changhong U-MAX living room TV shows a more vivid picture, people see increased appetite, and Skyworth E780U smart TV in the picture color performance is lacking.
"Avenger's Alliance" 4K source effect comparison real shot map
Grayscale test comparison
Through comparison, Changhong U-MAX living room TV is clearly visible from 4% -98%, while Skyworth E780U smart TV is clearly visible from 6% -94%.
Blu-ray disc comparison
3D disc effect comparison
Through testing, it can be seen that Changhong U-MAX living room TV is in place for the processing of Blu-ray discs, the processing of native 3D images or the processing of 2D to 3D images, and the realistic and delicate images give people a feeling of exposure to them.
Dynamic contrast test contrast
Through comparison tests, Changhong U-MAX living room TV and Skyworth E780U smart TV have room for improvement in dynamic performance.
Based on the above four basic tests, the 4K TV has no problem with the playback of the 2K screen. Whether it is the Changhong U-MAX living room TV or the Skyworth E780U smart TV, the performance of the 2K screen in terms of color, sharpness, depth of field and dynamic effects It is more in place.
Smart articles: boot speed is clearly the fastest
File:///e:/program files/360se6/User Data/temp/4108491223.jpg
Boot speed test data sheet
According to the boot time test, the Changhong U-MAX living room TV with the faster booting speed is 0.8 seconds less than the Skyworth E780U smart TV when the factory setting is restored. After loading three applications, Changhong U-MAX living room TV is still fast booting, or 0.8 seconds less than the Skyworth E780U smart TV. After loading five applications, Changhong U-MAX living room TV with the fastest startup speed is 1.6 seconds less than Skyworth E780U smart TV.
With the increase of the number of loaded applications, smart TVs will inevitably be affected in the boot speed. From the comparison point of view, Changhong U-MAX living room TV on the boot with a slight delay on the increase in the number of loaded programs, and Skyworth E780U smart TV at boot time with the increase in the number of loaded programs more obvious delay.
Intelligent articles: Changhong TV voice function is more dominant
The voice function is the most prominent feature of the current smart TV. Since the operation of the TV is not as convenient as that of the computer, the voice becomes the best carrier for the human-machine interaction of the smart TV. Here we tested the voice performance of the two TVs.
Voice function display
Multi-screen interactive game real shot map
In the terminal's operation interface, Changhong U-MAX living room TV is easy to operate, has a concise interface, has a humanized design, is easy to use, and the overall effect is smooth. Especially in the game, there is almost no case of Caton in the terminal and the TV. It truly reflects the operator's intentions. The Skyworth E780U smart TV lacks rich control methods, the interface design is not prominent, many functions cannot be realized, and in real-time game screen manipulation, there is a delay, which makes the game feel greatly compromised.
Smart article: browser compatibility Changhong Skyworth is not inferior to PC
Browser plug-in opens speed test data sheet
In the speed comparison of the browser plug-in opening, we found that Changhong U-MAX living room TV and Skyworth E780U smart TV are more suitable for handling webpages with more plug-ins (such as tiger flaps, etc.). Second, this is already a very good result for smart TVs.
Changhong U-MAX living room TV iQiyi video on demand buffer time test
It is worth mentioning that Changhong TV has very rich video on demand software, such as iQIYI, online know-how, PPTV, etc., and most of them are free videos; Skyworth TV has relatively few video on demand software in the application store, and many For paid video.
Skyworth E780U Smart TV Online Cool Video On-Demand Cache Time Test
Disassemble article: Skyworth more intelligent than Changhong more intelligent
Disassemble real shot map
By dismantling the machine, Master Liu, an appliance maintenance specialist, pointed out that the performance of the two 4K TVs in the wire layout is very good, but in comparison, the wire layout on the Skyworth E780U smart TV's backplane is even better, especially its structured The wire connection method is more effective in avoiding short circuit of the power supply caused by the disorderly display.
Skyworth TV internal details Changhong TV internal details
In addition, Skyworth E780U smart TV backplane materials than Changhong U-MAX living room TV is better, so in the product's security and stability, Skyworth E780U smart TV will be better than Changhong U-MAX living room TV performance. Of course, taking into account the Changhong U-MAX living room TV has joined the CPU and GPU, Changhong U-MAX living room TV to be higher and more intelligent.
Test Summary: Changhong U-MAX living room TV battle in the end to achieve good TV in China
By contrasting the test, we saw the 4K TV in the picture color reproduction, image clarity and image quality overall better than 2K TV performance. Therefore, we have reason to believe that 4K TVs with higher performance in picture quality will be the trend of the TV industry.
According to the comparison test of 4 major items in 4K TV, the overall performance of Changhong U-MAX living room TV with advantages in 4K picture quality, sound effects and smart applications is better than that of Skyworth E780U smart TV.
Of course, in addition to the 4K picture quality, 2K picture quality, sound effects, intelligence, and teardown, we also conducted power consumption tests and remote control tests on Changhong U-MAX living room TVs and Skyworth E780U smart TVs. . Since there is not much difference between the two products, we do not make too many comments here.
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