They include three HDMI ports, one USB port, an Ethernet port, an antenna/cable connection, optical and 3.5mm audio outputs, and a 3.5mm composite video input for use with the included 3.5mm-to-composite-RCA dongle. Connections and setup. White balance is off and gamma doesn't follow the target well, so most scenes are darker than they should be. The TCL 4 Series 2019 is an alright overall budget TV with built-in Roku TV. The TCL 6 Series can get brighter and has a better color leading to better HDR performance. When we performed the same tests at a dimmer 50% stimulus, the accuracy was much better as can be seen in the following images: The TV's EOTF follows the target curve fairly well until it rolls off, but most scenes are too dark. We can find the key specs and features of TCL 55S425 and 55S421 in the similarities & differences table below. PCMag Digital Group. With Game Mode enabled, which improves input lag at the slight cost of picture quality, that drops to an excellent 15.2ms. However, the Hisense gets brighter, has better color accuracy, and removes judder from 24p sources via native apps. The unit we tested was manufactured in January 2019. The TCL S425 has an outstanding contrast ratio, which is expected from a VA panel TV. The TCL S425, on the other hand, is more suitable if you watch movies in a dark room and you sit straight in front. If you find any performance differences in the S423 or S421, please let us know in the discussions. However, it can't remove it from native apps. The TCL S425 has a faster response time that delivers crisper motion and handles reflections slightly better, which can be important when you watch TV shows in a brighter room. so that you can compare the results easily. Having trouble deciding between two TVs? The TCL S425 has bad peak brightness. The design is simple and in line with other TCL TVs. Our mission at BestReviews is to provide our users with honest, easy-to-understand reviews of the products they care most about. The TCL S425 is a budget, entry-level TV. The TCL S425 is okay for watching sports. The true color gamut of the TV is shown by the maximum red, green, and blue in the Rec. The S525 also has an optional motion interpolation feature. Roku offers a great selection of apps that you can download and they work smoothly for the most part. put them under the same test bench, It displays proper chroma 4:4:4 automatically when you connect a PC, which is important for reading text. The Vizio V Series 2019 is a bit better than the TCL 4 Series/S425 2019. Also, it has poor viewing angles, which isn't ideal if you want to watch the big game with a group of friends. It's more suitable for an average-lit room as it can't get very bright, but it can handle reflections fairly well so a few more lights won't be an issue. The Game Mode is available in all picture modes. Although it has decent reflection handling, it doesn't get very bright and isn't suitable for a well-lit room. You can see our recommended settings here. TCL ROKU TV. This is a 4k TV that can't display an 8k signal. In near-dark scenes, uniformity is worse as there's backlight bleed along the edges. This is less than half as bright as the 6-series, which can reach 497.15cd/m2. This helpful tool will make it clear for you, Use our data and table to find the best TV for your needs, Want to see us review a specific TV? See it at Walmart It's limited by the lack of a wide color gamut, and it can't display dark, saturated colors. Model 55S421-CA. The Samsung RU7100 is somewhat better than the TCL S425. The TCL S425 is an alright TV for watching TV shows. The TCL S425 has marginally higher contrast ratio, which is great for watching movies in a dark room, and a slightly lower input lag, which is good for playing video games. Also, the S517 has a motion interpolation feature to please the soap opera effect fans and can display judder-free movies. TCL is best known as a budget TV brand, and it wowed us last year with its premium line, the Editors' Choice 6-series.The TCL 4-series is the company's entry-level 4K line. This TV has mediocre frequency response. It can produce deep blacks, but unfortunately, there's no local dimming feature to further darken those blacks. The TCL S Series S405 4k and the TCL 4 Series S425 have very similar performance. Read our TCL TV shopping guide to see what separates TCL TVs from the pack, then check out our recommended models in the grid above to … If you're looking for an affordable 4K TV in a variety of sizes, TCL's 4-series is the line to beat. This is mainly due to the very low input lag that makes it very responsive, and the fast response time that leaves only a small blur trail behind fast-moving content. The TCL S425 has decent reflection handling. However, it's $380 for 55 inches, with screen sizes up to 75 inches for $1,600, and that makes it a very good value if you're looking to jump to 4K and HDR10 without spending a ton of money. This TV has disappointing out-of-the-box color accuracy, but this may vary between units. However, this depends on the content and not everyone may hear it. Find helpful customer reviews and review ratings for TCL 55S423 55" 4K UHD HDR Roku Smart TV (Renewed) at Amazon.com. It delivers deep blacks in a dark room thanks to its high contrast ratio but lacks a local dimming feature, and black uniformity is just decent. The TCL 4-series isn't the most impressive TV you'll find, or even the most impressive budget TV you'll find. That's well below the approximate 20ms threshold we use to determine the best TVs for gaming. This TV doesn't have a local dimming feature. The Samsung NU7100 can get brighter and is more suitable for a bright room. It sits below the TCL 5 Series/S525 2019. However, the TCL has a much faster response time and a higher native contrast ratio. 55" Viewable Display Size. For signals that require full bandwidth HDMI 2.0, enable the HDMI 2.0 setting in the 'HDMI Mode' settings page. Fine details in shadows become a bit muddied, however, and the relatively dim screen doesn't look quite as lifelike as brighter panels do. A little banding is visible, especially in darker shades of green and gray, but this shouldn't be a problem with real content. The borders are a bit thicker than most TVs, but shouldn't distract you. The TCL 6 series are widely regarded as the best budget 4K TV's and since they are a 2018 model you may be able to find the 55" for not much more than $500 now that the 2019 models are about to … We tested the 43 inch TCL 4 Series 2019 (43S425). This is very different behavior than the TCL S Series/S405 4k 2018, which used PWM dimming throughout the entire range of its backlight level. 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