When comparing TCL 43UP130 vs TCL S405 49" (49S405), the Slant community recommends TCL S405 49" (49S405) for most people. In the question“What are the best 4K TVs to use as a computer monitor?” TCL S405 49" (49S405) is ranked 1st while TCL 43UP130 is ranked 7th. The most important reason people chose TCL S405 49" (49S405) is:
The S405 strikes a nice balance between picture quality, screen size, and input lag, all for an affordable price of below $500. It’s a great choice for casual watching and gaming without breaking the bank. Compared to its direct competitors, it offers bigger screen size and lower input lag, with decent picture quality that is just a tad below them. Content looks decent enough for most casual viewers - the black levels are sufficiently deep, colors are vivid, and it gets bright enough for most types of content. The size difference is pretty huge. Options with similar size of 49", or even smaller, cost fairly more than the S405. The low input lag contributes to a more responsive gaming experience - it's barely noticeable at ~15ms, one of the lowest in the 4K TVs market.
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Pro Headphone jack allows for a convenient headphone plug
Most TVs don't come with a headphone jack, but it's very convenient to have instead of plugging your headphones into your desktop which is typically placed on the ground.
Pro Pretty good black levels
Pure black emits 0.036 cd/m² of light, which is pretty good. This makes shadows pop, and help it achieve a very respectable contrast ratio of 4000:1.
Pro Excellent value for money
The S405 strikes a nice balance between picture quality, screen size, and input lag, all for an affordable price of below $500. It’s a great choice for casual watching and gaming without breaking the bank.
Compared to its direct competitors, it offers bigger screen size and lower input lag, with decent picture quality that is just a tad below them.
Content looks decent enough for most casual viewers - the black levels are sufficiently deep, colors are vivid, and it gets bright enough for most types of content.
The size difference is pretty huge. Options with similar size of 49", or even smaller, cost fairly more than the S405.
The low input lag contributes to a more responsive gaming experience - it's barely noticeable at ~15ms, one of the lowest in the 4K TVs market.
Pro Decent for casual movies/TV watching
The S405 is a decent, affordable pick if you're a casual viewer. It's best suited for SDR content, which makes up the bulk of content currently available.
You'll get decent picture quality and a good 4K experience, but you might find HDR performance to be lacklustre due to the lack of local dimming, wide color gamut, and low HDR peak brightness.
Pro Colors are accurate even without calibration
The S405 is excellent at reproducing colors accurately out of the box.
Even without calibration, the inaccuracies are imperceptible to most end users. Objectively, the color difference between the panel and the CIE 1931 color space, the standard model of human color vision, is measured in Delta-E. The colors reproduced by the panel is generally considered accurate for most end users if the Delta-E value is below 3.0, which the S405 fulfils.
Pro Decent picture quality
The S405 looks decent with vivid colors.
Pictures have a nice depth to them, and dark scenes look good thanks to the adequately deep black levels and above-average color accuracy. It can produce blacks that are 4000 times darker than the brightest white, and the colors are spot-on even without calibration.
The screen also gets bright enough with a peak of ~200 nits that makes the colors look vibrant.
Pro Well-balanced side inputs
Even if the TV is mounted on a wall, you'll still have access to all essential inputs and outputs which are situated on the side of the unit.
Pro Highly versatile
The S405 is versatile enough to be used as a general-purpose display.
The picture quality is decent for movies and TV shows, and it checks all the boxes that makes a TV suitable for gaming, sports, and as a computer monitor: low input lag, low motion blur, good screen uniformity, and full 4:4:4 color support.
Pro Colors are easy to calibrate
Color calibration can be performed easily via the Roku mobile app. You won't have to fiddle with the remote trying to set the values correctly.
Pro Main interface has no ads
The S405 has no ads on its main interface, although there can be ads in third-party applications. Third-party ads can't be blocked, but the tracking and personalisation can be limited through the TV's settings.
Pro Excellent for gaming
The S405 is excellent for gaming thanks to its low input lag and motion blur.
The input lag and motion blur is both barely noticeable at ~15ms. The panel only requires ~15ms to fully change its pixels color, resulting in fast-moving objects not leaving any trails on the screen, eliminating virtually all motion blur.
It's also great for HDR gaming because there is no increased input lag for HDR, and it has full 4K @ 60 FPS support, which makes it suitable for all new 4K games.
Pro Decent for watching sports
The S405 is a good pick for watching sports thanks to its low motion blur and reasonably consistent color uniformity. While there are slight uniformity inconsistencies in the edges of the panel when displaying large, same-color objects on screen, like football fields, the issues generally go unnoticed by most.
Pro Intuitive & smooth user interface
The S405 runs on the Roku TV smart platform, touted for its simple, straightforward, and lag-free UI.
It’s easy for anyone to grasp how navigation works, thanks to its two-column design with the menu on the left and options on the right.
There’s also no noticeable lag during navigation or menu selection.
Pro Works well as a computer monitor
The S405 works well as a computer monitor thanks to its low input lag, barely noticeable motion blur, and full 4:4:4 color support. The 43" model can even be used up close due to its small minimal viewing distance.
The low input lag of ~15ms makes it highly responsive, and there's virtually no motion blur because it takes only ~15ms for the panel to fully change its pixels color.
Text or shapes with hard edges on the screen won't be blurry thanks to the full 4:4:4 color support.
Con Wide stand
While most TVs and monitors have a centralized stand which can fit on smaller desks, this TV has legs near the edge of each side of the TV. This means that your desk will need to be as wide as the TV, because virtually none of the TV hangs out past the legs.
Con Colours aren't balanced
The backlight on this TV is disappointing - it doesn't provide even lighting. Some sections are a bit brighter, and the colours there appear more washed out than other sections. This is a big disappointment for general use, but a really big issue for content creators who rely on accurate colours for photoshop or video production.
Con HDR support is basic
The S405 can't reproduce HDR pictures to their full potential because it lacks various important features.
HDR shadows and highlights are just average due to the lack of wide color gamut and low peak brightness. It can't reproduce the full range of colors necessary for HDR, and the brightness level of only ~200 nits is barely enough for HDR content to stand out. The picture also won't be as dynamic as one would expect for HDR due to the lack of local dimming.
Con Can't fight glare very well
The S405 can deal with small amounts of light pollution, such as sunlight through the curtains, but it can't handle glare very well in brighter environments.
Its handling of reflections is only average, and it can't get bright enough. The panel has a semi-gloss finish which helps in reducing reflections a little, but its peak brightness level of ~200 nits is not enough for fighting glare.
Con Remote lacks functionality
The S405 has a basic remote that is only capable of navigation, playback control, and volume control. It doesn't have fancy stuff like voice command found in remotes of other TVs.
Con Poor sound quality
The speakers on the S405 is too bassy and distortion becomes a huge problem at high volumes. A relatively cheap speaker system or a soundbar will make a huge difference in sound quality.
Con Lacks support for Dolby Vision
The S405 only supports the HDR10 format for HDR content.
Con Not suitable for group watching
The S405 has a narrow viewing angle that makes it unsuitable for watching with groups.
Audience sitting away from the center of the screen will not experience the same picture as those sitting in the center, because the picture quality starts to deteriorate significantly when viewing from just ≥30° away from the screen's center.