Two of 65-Inch 4K UHD TVs that you may consider in 2018 are TCL 65R617 and TCL 65S405. TCL 65R617 is introduced as part of TCL’s 2018 6-Series, while TCL S405 was firstly released as part of TCL’s 2017 TV lineup. If you are looking for the new 65-Inch 4K LED TV for your home, which of them is the one that you should choose? To answer that question, I’m sure that we should know the similarities and differences between TCL 65R617 and TCL 65S405. This article will talk about the similarities and differences between those two 65-Inch 4K LED TV for you.
Similarities of TCL 65R617 and 65S405
As two 65-Inch 4K LED TVs that introduced by TCL, We can find that there are a number of similarities between TCL 65R617 and TCL 65S405. Before we can talk more about their similarities, let’s take a look at their similar specs and features that we can find in the table below.
| TCL 65R617 | TCL 65S405 | |
| Screen Size | 65-inch | 65-inch |
| Resolution | 4K UHD | 4K UHD |
| Display Technology | LED | LED |
| 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 |
| Built-In Wi-Fi | 802.11ac dual band | 802.11ac dual band |
| Speaker System | 2Ch 16W | 2Ch 16W |
| HDMI/USB | 3/1 | 3/1 |
TCL 65R617
There are several similarities between TCL 65R617 and 65S405 that we can find in the table above. Let’s talk more about those similarities together.
1. 4K UHD Resolution with 4K Upscaling Technology
Both of TCL 65R617 and 65S405 comes with 4K UHD Resolution in LED Panel. They both are also completed with 4K Upscaling technology so that we can enjoy excellent clarity 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 65R617 and 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 they are also able to bring non lagging gaming experience when They are used as your gaming monitor.
3. Smart TV Platform
The Smart TV Platform of TCL 65R617 and 65S405 are similar Roku TV. Roku TV is able to deliver wide range of entertainment from various content providers. 802.11ac dual band wireless is also attached to those two TVs to help you connect to your favorite content providers seamlessly with fast internet connection.
4. Speaker System
We can find that the speaker system of TCL 65R617 and 65S405 are similar. They both come with 2Ch 16W speaker system. We should say that it’s quite basic speaker system but with Dolby Digital integrated with it, we can still enjoy good sound quality from those two TVs. If you are looking for more powerful surround sound from those two TVs, then you should attach your favorite soundbar to satisfy your audio taste.
Differences of TCL 65R617 and 65S405
There are also several differences between TCL 65R617 and TCL 65S405 besides a few similarities that we have talked before. Before we talk more about their differences, let’s take a look at their different specs and features that we can find in the table below.
| TCL 65R617 | TCL 65S405 | |
| Introduced | 2018 | 2017 |
| Backlight Type | Full-Array LED | Direct-lit LED |
| Contrast Control Zones | 120 | NO |
| NBP Photon Technology | YES | NO |
| IPQ Engine | YES | NO |
| HDR Pro Gamma | YES | NO |
| HDR Support | HDR10+Dolby Vision | HDR10 |
| Remote Control | Voice Enabled Remote Control RC580 | Roku TV RC282 |
| Price | Higher | Lower |
TCL 65S405
There are few differences between TCL 65R617 and 65S405 as we can find from the table above. Let’s talk more about those differences together.
1. Backlight Type & Contrast Control Zones
We can find that TCL 65R617 and 65S405 come with LED display technology. But they actually come with different kind of LED backlight type. TCL 65R617 comes with Full-Array LED Backlight while TCL 65S405 comes with direct-lit LED backlight. Full-Array LED backlight is better backlight type that provides better light uniformity. The Full-Array backlight of TCL 65R617 is also completed with Contrast Control Zones as its local dimming. We can find 120 contrast control zones in TCL 65R617 that deliver more vibrant contrast between the bright and dark part of the picture.
2. TCL’s NBP Photon Technology & IPQ Engine
TCL 65R617 comes with TCL’s NBP Photon Technology and IPQ Engine. We can’t find those two technology in TCL 65S405. TCL’s NBP Photon Technology is able to deliver wide color gamut on the TV screen so that we can enjoy more vivid color details, while IPQ Engine is the technology that can deliver accurate color reproduction for optimized DCI-P3 Color Space Coverage. With combination of NBP Photon Technology and IPQ Engine installed on its screen, we can enjoy more vivid and accurate color details in TCL 65R617 than in TCL 65S405.
3. HDR Pro Gamma
TCL 65R617 is completed with HDR Pro Gamma that we can’t find in TCL 65S405. With HDR Pro Gamma, the details remains visible in any environment since it can auto adjust the screen brightness according to the environment.
4. HDR Support
Both of TCL 65R617 and 65S405 support HDR10 so that we can enjoy enhanced details with expanded contrast from HDR10 content sources. But we can find that Dolby Vision is only supported by TCL 65R617. TCL 65S405 doesn’t support Dolby Vision. So we can enjoy Dolby Vision contents in TCL 65R617 and we can’t enjoy one in TCL 65S405.
5. Remote Control
The remote control that included with TCL 65R617 and 65S405 are different. TCL 65R617 comes with RC580 remote control, while TCL 65S405 comes with RC282 remote control. RC580 remote control is enhanced remote control that completed with Voice Control, while RC282 is only basic remote control. With Voice control integrated with it, we can control TCL 65R617 more conveniently with RC580 remote control.
6. Price
TCL 65R617 is the model that positioned higher than TCL 65S405, so it’s easy to guess that TCL 65R617 is offered at the higher price than TCL 65S405. How much is their price difference? It’s a good idea to check the price of TCL 65R617 and TCL 65S405 before we can find their latest price difference since TV price often change from time to time.
Should You Choose TCL 65R617?
TCL 65R617 is the model that positioned higher than TCL 65S405 as we can find from our discussion above. But, Should We choose TCL 65R617? If you are looking for better contrast and wider color spectrum as well as Dolby Vision support on your next 65-Inch 4K LED TV, then TCL 65R617 is the model that you should choose as long as you don’t mind to spend higher for it. We can also get better RC580 voice Enabled Remote Control as additional bonus in TCL 65R617.
TCL 65S405 is basic 65-Inch 4K LED TV from TCL. If you are looking for one of the most affordable 65-Inch 4K LED TV in the market with HDR support, then TCL 65S405 is the choice that you should consider. Although It’s quite basic 65-Inch 4K LED TV, but It’s already completed with 4K Creative Pro upscaling to enjoy non 4K contents into near 4K picture quality and HDR10 support to enjoy enhanced details with expanded contrast from your HDR10 content sources.
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