Two of affordable 65-Inch 4K UHD TV that we should consider in 2018 are TCL 65S517 and TCL 65S405. TCL 65S517 is introduced as part of TCL’s 2018 5-Series, while TCL 65S405 was released as part of TCL’s 2017 4-Series. Which of them is the one that you should choose? To answer that question, we need to know the similarities and differences between TCL 65S517 and TCL 65S405. This article will talk about similarities and differences of TCL 65S517 and TCL 65S405 to help you decide.
TCL 65S517 and 65S405 Similarities
TCL 65S517
As two 65-Inch 4K LED TV introduced by TCL, we can find that there are a number of similarities between TCL 65S517 and TCL 65S405. What are their similarities? Let’s talk about that together.
1. 4K UHD Resolution with LED Display Technology
Both of TCL 65S517 and 65S405 come with 4K UHD Resolution that completed with 4K upscaler so that It can deliver brilliant picture quality from both of original 4K content sources or non 4K contents that upscaled into near 4K picture quality. We can find that Both of TCL 65S517 and 65S405 come with LED display technology, although their backlight type are different.
2. Refresh Rate Technology
The refresh rate technology of TCL 65S517 and TCL 65S405 are similar. They both come with 120Hz CMI. 120Hz CMI is able to deliver smooth fast motion images from your favorite action movies and sports, while additionally we can also enjoy fluid gaming experience when we use those two TVs as our gaming monitor.
3. Smart TV Platform
We can find that the Smart TV Platform of TCL 65S517 and TCL 65S405 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 premium content providers. To deliver fast and stable connection to your favorite content providers, we can find 802.11ac dual band wireless attached to those two TVs. We can also find dual-core processor integrated on both of TCL 65S517 and 65S405 to help you run the Roku TV smoothly.
4. Speaker System
The speaker system of TCL 65S517 and 65S405 are similar. They both come with standard 2Ch 16W speaker system. Some audiences may feel that it’s enough to bring good sound quality for their ears, but a number of customers may need to attach additional soundbar or other external speaker system to get more powerful sound to satisfy their audio taste.
We can summarize the similar specs and features of TCL 65S517 and TCL 65S405 with the table below.
| TCL 65S517 | TCL 65S405 | |
| Screen Size | 65-Inch | 65-Inch |
| Display Type | LED | LED |
| Resolution | 4K UHD | 4K UHD |
| 4K Upscaler | YES | YES |
| Refresh Rate Technology | 120Hz CMI | 120Hz CMI |
| Processor | Dual-Core | Dual-Core |
| Smart TV Platform | Roku TV | Roku TV |
| Built-in Wi-fi | 802.11ac dual band | 802.11ac dual band |
| Speaker System | 2Ch 16W | 2Ch 16W |
| HDMI/USB | 3/2 | 3/2 |
TCL 65S517 and 65S405 Differences
TCL 65S405
Besides similarities, we can also find several differences between TCL 65S517 and 65S405. What are their differences? Let’s talk about it together.
1. Wide Color Gamut with NBP Photon Technology
TCL 65S517 comes with NBP Photon Technology, while we can’t find NBP Photon Technology in TCL 65S405. NBP Photo Technology is able to deliver wide color gamut in TCL 65S517. With Wide Color Gamut, we can enjoy richer and more accurate color details in TCL 65S517.
2. HDR Support
We can find that both of TCL 65S517 and 65S405 support HDR10 so that we can enjoy enhanced details and expanded contrast from our favorite HDR10 content sources. But additionally TCL 65S517 also support Dolby Vision. So We can enjoy Dolby Vision content sources in TCL 65S517 that we can’t enjoy in TCL 65S405
3. HDR Dynamic Contrast, IPQ Engine and HDR Pro Gamma
TCL 65S517 comes with Edge lit backlighting that completed with HDR Dynamic contrast. With HDR Dynamic Contrast, TCL 65S517 is able to deliver brighter whites and darker blacks especially from HDR content sources. TCL 65S517 is also completed with IPQ Engine that can deliver more accurate color reproduction in combination with the NBP Photon Technology that bring wide color gamut. We can also find HDR Pro Gamma in TCL 65S517 that bring excellent details in any watching environment. TCL 65S405 with its direct lit backlighting doesn’t come with HDR Dynamic Contrast, IPQ Engine and HDR Pro Gamma.
4. Remote Control
We have talked about TCL 65S517 and 65S405 that come with similar Roku TV as their Smart TV Platform. Although they come with similar Smart TV Platform, but those two TVs come with different remote control. TCL 65S517 comes with more advanced RC580 remote control that completed with voice control, while TCL 65S405 comes with more standard RC282 remote control.
5. Price
TCL 65S517 is positioned as the higher model than TCL 65S405. So it’s easily guessed that TCL 65S517 is offered at the higher price than TCL 65S405. If you are interested to know the latest price difference of those two 65-Inch LED TV, it’s a good idea to check their price since TV prices often change from time to time.
The differences of TCL 65S517 and 65S405 can be summarized with the table below.
| TCL 65S517 | TCL 65S405 | |
| Introduced | 2018 | 2017 |
| Backlight Type | Edge Lit LED | Direct lit LED |
| NBP Photon Technology | YES | NO |
| HDR Support | HDR10+Dolby Vision | HDR10 |
| HDR Dynamic Contrast | YES | NO |
| IPQ Engine | YES | NO |
| HDR Pro Gamma | YES | NO |
| Remote Control | RC580 | RC282 |
| Price | More Expensive | Less Expensive |
Which One Should You Choose?
From our discussion about similarities and differences of TCL 65S517 and TCL 65S405, we can find that TCL 65S517 is the model that positioned higher than TCL 65S405. Should You Choose TCL 65S517? If you are looking for wide color gamut as well as better HDR support and picture result while you don’t mind to spend higher for it, then TCL 65S517 is the model that you should choose. Additionally, you can also find more advanced remote control included with TCL 65S517 as another bonus. With NBP Photon Technology, HDR Dynamic Contrast, IPQ Engine and HDR Pro Gamma that we can find in TCL 65S517, we can surely enjoy better picture quality in TCL 65S517.
If you have more limited budget for your 65-Inch 4K LED TV, TCL 65S405 is one that you should consider. Although It comes with less advanced picture technology, but basically It still can deliver excellent picture quality as well as support HDR, although It’s only HDR10. It also comes with similar Roku TV that can deliver premium entertainment for your home anytime you want to enjoy it in combination with 802.11ac dual band wireless that provides fast and stable internet connection.
Where Should You Order One?
Check Today’s Offer of TCL 65S517 on Ebay here…
or
Check Today’s Offer of TCL 65S405 on Ebay here…