TCL 55S515 and TCL 55S405 are two 4K UHD TV models introduced by TCL that you may consider if you are looking for affordable 55-Inch 4K UHD TV. TCL 55S515 is introduced as part of TCL’s 2018 TV lineup, while TCL 55S405 was firstly released in 2017. Which of them is the one that you should choose? To answer that question, I’m sure that you would be interested to know more about their similarities and difference. This article will talk about the similarities and differences between TCL 55S515 and TCL 55S405 for you.
Similarities of TCL 55S515 and 55S405
TCL 55S515
As two affordable 55-Inch 4K LED TVs from TCL, There are several similarities that we can find between TCL 55S515 and TCL 55S405. Whare are their similarities? Let’s talk about that together.
1. 4K UHD Resolution with Upscaling Technology
Both of TCL 55S515 and 55S405 comes with 4K UHD Resolution. They also come with similar upscaling technology. With upscaling technology, we can enjoy brilliant picture quality from both of original 4K content sources or non 4K contents that upscaled into near 4K picture quality.
2. Refresh rate Technology
The refresh rate technology of TCL 55S515 and TCL 55S405 are similar. They both come with 120Hz CMI. 120Hz CMI is able to deliver fluid motion images from your favorite action movies and sports. It also can brings non-lagging gaming experience when we use those two TVs as our gaming monitor.
3. Smart TV Platform and Remote Control
We can find that the smart TV Platform of TCL 55S515 and 55S405 are similar. They both come with Roku TV as their Smart TV Platform. Roku TV is able to deliver premium entertainment from wide range of content providers. We can enjoy fast and stable internet connection in both of those two TVs since they are both completed with 802.11ac dual band wireless. The remote control of TCL 55S515 and 55S405 are also similar. They only come with standard remote control.
4. Speaker System
The internal speaker system of TCL 55S515 and 55S405 are similar. They both come with 2Ch 16W speaker system. 2Ch 16W speaker system is indeed quite basic speaker system, but we can still enjoy good sound quality Dolby Digital that integrated on the speaker system of those two TVs. If you have higher audio taste, then I’m sure that you need to attach your favorite soundbar on those two TVs to get more powerful surround sound quality.
The table below summarizes the similarities of TCL 55S515 and TCL 55S405 based on our discussion about their similarities above.
| TCL 55S515 | TCL 55S405 | |
| Screen Size | 55-Inch | 55-Inch |
| Display Type | LED | LED |
| Resolution | 4K UHD | 4K UHD |
| 4K Upscaler | YES | YES |
| 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 |
| Remote Control | Standard Remote | Standard Remote |
| Built-in Wi-fi | 802.11ac dual band | 802.11ac dual band |
| Speaker System | 2Ch 16W | 2Ch 16W |
| HDMI/USB | 3/1 | 3/1 |
Differences of TCL 55S515 and 55S405
TCL 55S405
There are also few differences that we can find between TCL 55S515 and TCL 55S405 besides similarities that we have talked before. What are their differences? Let’s discuss that together.
1. TCL’s NBP Photon Technology with IPQ Engine
The main key difference of TCL 55S515 and 55S405 is TCL’s NBP Photon Technology that we can fin in TCL 55S515. TCL’s NBP Photon Technology is able to deliver wider color spectrum so that we can enjoy richer and more lifelike color details in TCL 55S515 than TCL 55S405 that doesn’t come with TCL’s NBP Photon Technology. TCL 55S515 is also completed with IPQ Engine that can deliver more accurate and precise color reproduction. With combination of NBP Photon Technology and IPQ Engine, We can enjoy richer and more accurate color details in TCL 55S515 than TCL 55S405.
2. HDR Dynamic Contrast with HDR Pro Gamma
HDR Dynamic Contrast is installed on TCL 55S515 and can’t be found in TCL 55S405. HDR Dynamic Contrast is able to deliver better contrast vibrancy on the LED screen. We can also find HDR Pro Gamma in TCL 55S515 to deliver HDR brightness performance according the environment. HDR Dynamic Contrast and HDR Pro Gamma help you to enjoy better brightness experience from your HDR content sources.
3. HDR Support
Both of TCL 55S515 and 55S405 already support HDR. But We can find that type of HDR formats supported by those two TVs are different. TCL 55S515 supports HDR10 and Dolby Vision, while TCL 55S405 only support HDR10. With additional Dolby Vision support, we can enjoy our favorite Dolby Vision content sources with enhanced details and expanded contrast on TCL 55S515 scren.
4. Price
TCL 55S515 is positioned as the higher model than TCL 55S405, so it’s easy to guess that it’s offered at the higher price as well. Since TV price are changing from time to time, it’s recommended that we check the price of those two 55-Inch 4K LED TV before we can find their latest price difference.
The differences of TCL 55S515 and 55S405 that we have talked above can be summarized with the table below.
| TCL 55S515 | TCL 55S405 | |
| Introduced | 2018 | 2017 |
| TCL’s NBP Photon Technology | YES | NO |
| HDR Dynamic Contrast | YES | NO |
| HDR Pro Gamma | YES | NO |
| IPQ Engine | YES | NO |
| HDR Support | HDR10+Dolby Vision | HDR10 |
| Price | Higher | Lower |
What is the Reason to Choose TCL 55S515?
After we talk about similarities and differences of TCL 55S515 and TCL 55S405, we can find that TCL 55S515 is the model that positioned higher than TCL 55S405. It means that TCL 55S515 is also offered at the higher price than TCL 55S405. What’s the reason to choose TCL 55S515 over TCL 55S405? From our discussion above, we can find that TCL 55S515 is completed with TCL’s NBP Photon Technology and IPQ Engine that deliver richer and more accurate color details as well as HDR Dynamic Contrast and HDR Pro Gamma that deliver better contrast and brightness especially for HDR contents. We can also find that TCL 55S515 already support HDR10. If you are looking for better color and contrast quality on your 55-Inch 4K LED TV or you are simply looking for one of the most affordable 55-Inch 4K LED TV with Dolby Vision support, then you have the reason to choose TCL 55S515.
In the other hand, TCL 55S405 is one of the most affordable 55-Inch 4K UHD TV. Although It doesn’t come with more advanced color and contrast but TCL 55S405 is basically still able to deliver good 4K picture quality from original 4K content sources or HD contents that upscaled into near 4K picture quality. It also already supports HDR10 contents if you want to enjoy HDR entertainment on this TV although it’s only limited to HDR10 contents. If you are looking for affordable 55-Inch 4K UHD TV and your budget is quite limited, then you have the reason to choose TCL 55S405.
Where Should You Order One?
Order TCL 55S515 from Best Buy here…
or
Check Today’s Offer of TCL 55S405 on Ebay here…