It’s easy to guess that TCL 55S425 and 55S421 are two closely related 4K UHD TV models from their name. They both indeed introduced by TCL as basic 4K HDR TV models. Are they similar TV models? It’s important question that we need the answer before we decide between those two 55-Inch 4K UHD TV. To answer that question, it’s important for us to know more about the differences between those two 55-Inch 4K UHD TVs. In this article, we will talk about the differences between TCL 55S425 and 55S421. But before that, let’s shortly talk about those two 55-Inch 4K HDR TVs.
TCL 55S425
TCL 55S425
TCL S425 comes with 7 screen size option that we can find TCL 55S425 as its 55-Inch screen size option. TCL 55S425 comes with 4K UHD Resolution that completed with 4K Creative Pro Upscaling Engine. We can enjoy excellent picture clarity not only from original 4K content sources but also from non 4K contents that upscaled into near 4K with 4K Creative Pro Upscaling Engine. We can also find that TCL 55S425 support HDR10 so that we can enjoy enhanced details and expanded contrast from our favorite HDR 10 content sources. The refresh rate technology that installed on TCL 55S425 is 120Hz CMI (Clear Motion Index) that can deliver smooth motion images for your favorite action movies and sports. We can also find that 120Hz CMI also can bring minimum lagging gaming experience when we use this TV as our gaming monitor. The color, clarity and contrast of the picture delivered on this TV is optimized by Dual-core CPU/GPU that integrated with this TV. Roku TV is installed on this TV as its Smart TV platform. With Roku TV, we can enjoy premium entertainment from our favorite content providers using fast internet connection from 802.11ac dual band wireless. While TCL 55S425 comes with Roku TV RC280 remote, we can also control this TV using Google Assistant and Amazon Alexa since they are both already supported. The speaker system of TCL 55S425 is 2Ch 16W speaker system. While it’s quite basic speaker system, but we can still enjoy good sound quality since they are powered by Dolby Digital. But we indeed need to attach our favorite soundbar if we are looking for more powerful surround sound from this TV. You can check today’s offer of TCL 55S425 on Ebay here…
TCL 55S421
TCL 55S421
There are three screen size options for TCL S421 and TCL 55S421 is the middle one. TCL 55S421 comes with 4K UHD Resolution that combined with 4K Creative Pro Upscaling Engine. 4K Creative Pro Upscaling Engine allows us to enjoy brilliant picture not only from original 4K content sources but also from non 4K contents that upscaled into near 4K picture quality. We can also find that TCL 55S425 already support HDR10 so that we can enjoy enhanced details and expanded contrast from our favorite HDR10 content sources. We can enjoy fluid motion images from our favorite action movies and sports with 120Hz CMI that installed on this TV. 120Hz CMI is also able to help you to experience minimum lagging gaming experience when we use this TV as our gaming monitor. We can find Dual-Core GPU/CPU installed as the processor of this TV that can optimize the color, clarity and contrast of the picture delivered on its screen. The Smart TV platform installed on this TV is Roku TV. It can bring wide range of premium entertainment from your favorite content providers. 802.11ac dual band wireless is also attached to this TV to bring fast internet connection for this TV. The remote control that comes with this TV is Roku TV RC282, but we can also control this TV conveniently with Google Assistant and Amazon Alexa since they are both already compatible. 2Ch 16W speaker system is installed as the Smart TV platform of this TV. It’s powered Dolby Digital so that we can enjoy good sound quality although it’s indeed quite basic speaker system. If you have higher audio taste, It’s a good idea to attach your soundbar to this TV to get more powerful surround sound that can meet your audio expectation. You can check today’s price of TCL 55S421 on Walmart here…
Similarities & Differences Table
We can find the key specs and features of TCL 55S425 and 55S421 in the similarities & differences table below. It’s important for us to look at their specs and features before we can talk more about their differences.
| TCL 55S425 | TCL 55S421 | |
| Similarities | ||
| Introduced | 2019 | 2019 |
| Screen Size | 55-inch | 55-inch |
| Display Technology | LED | LED |
| Resolution | 4K UHD | 4K UHD |
| HDR Support | HDR10 | HDR10 |
| Refresh rate Technology | 120Hz CMI | 120Hz CMI |
| Processor | CPU: Dual-core / GPU: Dual – core | CPU: Dual-core / GPU: Dual – core |
| Smart TV Platform | Roku TV | Roku TV |
| Google Assistant & Amazon Alexa | Supported | Supported |
| Built-in Wifi | 802.11ac dual band | 802.11ac dual band |
| Speaker System | 2Ch 16W | 2Ch 16W |
| USB/HDMI | 3/1 | 3/1 |
| Differences | ||
| Remote Control | Roku TV RC280 | Roku TV RC282 |
| Sold By | All Retailers | Walmart |
| Price | Slightly Higher | Slightly Lower |
The Differences of TCL 55S425 and 55S421
Most of the specs and features of TCL 55S425 and 55S421 are similar as we can find in the similarities & differences table above. But we can find that there are small differences between those two 55-Inch 4K UHD TVs. Are you interested to talk more about their differences? Let’s talk about that together.
1. Remote Control Series
We can find that TCL 55S425 comes with Roku TV RC280 remote control, while TCL 55S421 comes with Roku TV RC282 remote control. Although they are different in series, but basically they are similar remote control.
2. Retailers
TCL 55S425 is not an exclusive model that widely offered by most retailers, while TCL 55S421 is an exclusive model. As it’s not an exclusive model, we can find TCL 55S425 sold by several retailers. We can only find TCL 55S421 offered by Walmart since it’s the model that exclusively sold by them.
3. Price
Although the price of TVs often change from time to time, we can find that TCL 55S421 as the exclusive model is often offered at the lower price than TCL 55S425 that offered by other retailers. But it’s a good idea to check their price to find their latest price since TV prices are changing from time to time.
Are They Similar TV Models?
We have talked about TCL 55S425 and 55S421 as well as their differences. We can find that most of the specs and features of TCL 55S425 and 55S421 are similar. There’s no big difference between those two 55-Inch 4K UHD TVs so we can call them similar TV models. TCL 55S425 is the model that widely offered by all retailers, while TCL 55S421 is the exclusive model offered by Walmart. So we can easily say that we should decide based on their price. If you can find TCL 55S425 is offered at the lower price than TCL 55S421, then you should go ahead with TCL 55S425. Where’s recommended place to Order TCL 55S425? You should Check today’s offer of TCL 55S425 on Ebay.com here…
TCL 55S421 is the exclusive model that offered by Walmart. It’s usually offered at the lower price than TCL 55S425. Since TCL 55S421 is basically similar to TCL 55S425, then you TCL 55S421 becomes the model that you should choose when you can find it offered at the lower price. Where should you order TCL 55S421? You can Order TCL 55S421 from Walmart here…