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Dangbei · 05 Jun 2020

2020 home projector buying guide

With the spread of COVID-19 worldwide, most people cancel outdoor activities, and many people are preparing food for quarantine. Living food is available, so how to make should our spiritual food. Then indoor entertainment equipment is especially necessary at this time of year to avoid so many dull days at home.

If you have NS Ring Fit Adventure (a game), then you can work out and adventure at home with family. It could deepen your relationship with each other. If you have a PS4 console, you can play Doom Eternal, Resident Evil 3 Remake, Final Fantasy 7 Remake, and a host of other newly released games to experience the story and different perspectives.

If you like to watch the latest episodes of HULU or Ultra HD movies on Netflix with your family, then I recommend getting a home projector. That could make you an immersive home theater feeling.

No matter whether it's games or movies, remote work sessions, or online classes, it delivers you fantastic experience. Here are some buying guide tips for you about home projectors.



Usually, the brightness of home projectors is between 1000 and 2000 ANSI Lumens, too bright can be harmful to the eyes. There was always in someone's heads. "What if I want to get the best visual in the day time without window shade treatment?. Then I don't recommend you buying a home projector, as the lack of shade also affects contrast.

Projector resolution


Nowadays, home projectors are generally in a resolution of 720p, 1080p, and 4K. Of course, 4K is the best, and you can select according to your budget. Below are pictures of the resolution effect comparison

720p vs 1080p rendering

1080p vs 4k rendering

Projector projection ratio


The smaller the ratio, the wider the projected image for the same distance. For a regular projector, the projection ratio is usually between 1.2 and 1.9, while for a short focal projector, the projection ratio is generally less than 1.

Contrast ratio


Contrast ratio defined as the ratio of the luminance of the brightest color(white) to that of the darkest color(black)that the projector is capable of producing. A high contrast ratio is a desired aspect of the projector. Generally speaking, the higher the contrast, the sharper the image, and the better the sense of layering, especially since movies tend to use dark colors. The contrast ratio works out the image effect together with the brightness together. 

HDR technology can effectively show the details of the picture under different exposures, making the picture more realistic.

For example, when sunlight passes through the window, the color will be plentiful and more realistic under the HDR effect, and the picture will have more subtle pixel and color changes.

The  CPU of the projector.

dangbei  chip.jpg

Different types and versions of the CPU determine the performance of processing speed.

As streaming media applications are updated continuously, the more smart projectors need a powerful core processing to handle more threads.

It allows you to switch applications when you need to leave and use another function without stutter, when access streaming media, lead to not interrupt your view experience.

The chip comparison of the projector is introduced in more detail in this article.

Of course, the RAM and storage memory in the smart projector is also important.

Trapezoidal correction and autofocus function

dangbei Trapezoidal correction and autofocus function.jpg

For the worst environment in projection, choosing a projector that can focus automatically and make a trapezoidal correction to the image. it is worth to notice that some machines have vertical correction but no horizontal correction.

Excessive use of trapezoidal correction will also sacrifice part of the resolution.

Check out the article on trapezoidal correction analysis, which is a detailed introduction.

Built-in speakers and bottom noise

An excellent projector should include not only built-in speakers with Dolby Atmos, like XGIMI projectors but also Harman Catton sound.

It is also necessary to reduce the bottom noise of the speakers as much as possible, so as to bring a better viewing effect