Samsung Q8C 75" (QN75Q8C) vs TCL S405 65" (65S405)

Unlike the OLED TVs, it does not suffer from any image retention so you can leave the TV on for long periods without having to worry about pixel damage.

The TV is fully compatible with all the current generation gaming consoles, including the Xbox One X, PS4 Pro, and Wii U. The Q8C also supports HDR gaming, which will allow you to experience the full range of HDR effects in the latest console games, like Hitman, NBA 2K17, Final Fantasy XV, Deus Ex: Mankind Divided and World of Tanks.

The Samsung Q8C is an excellent option for sports fans as the TV can display fast and dynamic content very clearly. The clear representation of dynamic content is achieved by the TV’s rapid pixel response time of 10.7 ms which almost eliminates the motion-blur effect. As the pixels can change their colors in nearly 1/100th of a second, fast-moving objects don't leave trails.

Additionally, the Samsung Q8C is especially good for watching outdoor sports, like football, rugby or golf, because the TV has high color uniformity which makes sports fields look more even and consistent.

The Samsung Q8C comes with a massive 75-inch LED panel. The panel has around 2400 square-inches of viewable area, which is a third more than what the 65-inch competitors offer.

The Samsung Q8C is more than capable of handling HDR content because of the TV’s wide color gamut, high HDR peak brightness, good native contrast ratio, and uniform blacks.

The main feature of the Samsung Q8C is its curved panel which can give you an immersive feeling of being surrounded by the TV. However, if you are not a fan of curved TVs, there is a flat, equally priced version of the Samsung Q8C simply called the Samsung Q8.

Tthe Samsung Q8C looks great because of its extra thin bezel and brushed metal finish on all exterior parts which make the TV look classy.

It's an excellent choice for bright rooms with lots of windows because of the TV’s ability to handle reflections, which is achieved by the aid of the TV’s glossy screen finish and anti-reflective coating.

Samsung Q8C comes with the One Connect box which moves all the hard-to-access rear inputs away from the TV. This way, you’ll always have full access to all inputs and outputs of the TV even if it’s mounted on a wall. Additionally, the One Connect box can be used as a USB charging hub.

The Samsung Q8C comes with an eye-catching remote. The remote is made from metal and has a shiny metal finish. Apart from being stylish, the remote offers some extended functionality, like a microphone and voice control.

Picture-wise, the Samsung Q8C has everything necessary to provide excellent quality.

The TV can reproduce eye-catching bright scenes; especially in HDR mode, where it can sustain up to 700 nits of brightness making its colors look genuinely crisp and vivid. In SDR mode, however, the sustained luminosity drops to 400 nits, which is still higher than what the competitors in the price range of the Q8C offer.

As for dark scenes, the Samsung Q8C has it all sorted as its panel has a relatively high native contrast ratio of 4761:1, combined with well-uniformed blacks; which allows for deep scenes with noticeable brightness shifts among multiple regions of the screen.

The Samsung Q8C offers smooth and lag-free gaming experience because of its low input lag and well-managed motion blur.

The input lag of the Q8C is 23.6 ms, which means that it takes less than 1/40th of a second for a TV to react to the input from an external source like a click of a button. In terms of input lag, the Samsung Q8C is on par with its closest competitors, including the LG seven series OLED TVs.

The panel has a full pixel response time of 10.7 ms, ensuring that it takes less than 1/100th of a second for its pixels to change their color; thus, even fast-moving objects won’t leave trails on the screen. As a result, the TV has almost negligible motion blur.

The S405 is a decent, affordable pick if you're a casual viewer. You'll get decent picture quality and a good 4K experience, but the HDR performance might be lackluster due to the lack of local dimming, wide color gamut, and low HDR peak brightness.

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 watching and gaming casually without breaking the bank.

Compared to its direct competitors, it offers decent picture quality that is a tad below them, bigger screen size, and lower input lag.

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 in a dark room.

The size difference is pretty huge as options with similar size of 49", or even smaller, cost fairly more than the S405.

Its low input lag of ~15ms contributes to a more responsive gaming experience. It's barely noticeable, and it’s also one of the lowest among 4K TVs, which is an impressive feat in this price bracket.

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 and low motion blur of ~15ms makes it highly responsive to input and gives it the ability to handle dynamic content well.

It also has full 4:4:4 color support, so text or shapes with hard edges on the screen won't be blurry.

The S405 is a good pick for watching sports thanks to its low motion blur and reasonably consistent color uniformity.

Fast-moving objects, like footballs, won't leave any visible trails on the screen due to the low motion blur of ~15ms. While there are slight uniformity inconsistencies in the edges of the panel when displaying large, same-color objects on the screen, like football fields, the issues generally go unnoticed by most.

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.

The S405 is excellent for gaming - the overall experience will be very responsive and fluid, thanks to the really low input lag and barely noticeable motion blur.

It has an input lag of ~15ms that makes the TV highly responsive to user input - gamers will have no issues keeping their actions in sync with what's on the display. The panel can fully change its pixels color in under 15ms, resulting in fast-moving objects not leaving any trails on the screen, eliminating virtually all motion blur.

It's also suitable for HDR gaming because there is no increased input lag for HDR, and it has full 4K support @ 60 FPS, which makes it suitable for all new 4K games.

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 personalization can be limited through the TV's settings.

The S405 is excellent at reproducing colors accurately out of the box.

Even without calibration, the colors are spot-on - they're very close to what the source signal demands and any inaccuracies are generally considered imperceptible to most end users.

The overall average difference between the source signal and the panel's reproduction of the color is measured in Delta-E, where lower means better accuracy. The S405 has a Delta-E of below 2.0, and anything below 3.0 is generally considered accurate for most end users.

The S405 looks decent with adequately deep black levels, above-average color accuracy, and sufficient peak brightness levels for most content.

It’s especially great at reproducing dark scenes thanks to the panel’s contrast ratio of about 4000:1, which means blacks can get really dark at about 4000 times darker than the brightest white it can produce.

Colors are spot-on even without calibration, and the panel can get bright enough with a peak brightness level of ~200 nits to make them pop in dark environments.

The best viewing experience will be in a dark environment where the panel won’t have to compete with light. The S405’s screen can’t really get bright enough to perform as well in bright environments.

Even when the S405 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.

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 make 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.