If we talk about affordable 55-Inch 4K UHD TV, Vizio V556-G1 and D55X-G1 are two options from Vizio that we should mention. Vizio’s V556-G1 comes from Vizio’s 2019 TV lineup as part of their V-Series, while Vizio D55X-G1 was released in 2018 as part of their D-Series. Which of them is the one that you should choose? It’s important for us to know more about similarities and differences between Vizio V556-G1 and D55X-G1 before we can answer that question. The similarities and differences of Vizio V556-G1 and D55X-G1 will be discussed in this article.
What are Their Similarities?
Vizio V556-G1
There are a number of similarities that we can find between Vizio V556-G1 and D55X-G1 since they are both introduced as basic 55-Inch 4K UHD TV from Vizio. Vizio V655-G1 is the basic 55-Inch 4K UHD TV from Vizio’s 2019 TV lineup, while Vizio D55X-G1 was released as the basic 55-Inch 4K UHD TV from Vizio’s 2018 TV lineup. What are their similarities? Let’s talk more about it.
1. 4K UHD Resolution with Spatial Scaling Engine
Vizio V556-G1 and D55X-G1 come with 4K UHD Resolution that completed with Spatial Scaling Engine as their upscaling technology. With Spatial Scaling Engine, we can enjoy brilliant picture clarity not only from original 4K content sources but also from non 4K contents that upscaled into near 4K picture quality.
2. Full Array LED Backlight with Octa-Core Processor
We can find that both of Vizio V556-G1 and D55X-G1 come with Full Array LED Backlight as their backlight technology. Full Array LED backlight is able to deliver superior light uniformity on the screen of those two TVs. We can also find that they both also come with similar Octa-Core processor as their display processor. Octa-Core Processor is able to optimize the color, clarity and contrast of the picture delivered on the screen of those two TVs.
3. Smart TV Platform & Remote Control
The smart TV platform that come with Vizio V556-G1 and D55X-G1 are similar. They both use Vizio SmartCast with Chromecast built-in as their smart TV platform. It allows us to enjoy wide range of premium entertainment from our favorite content providers. 802.11ac dual band wireless is also attached to those two TVs to provide fast internet connection. While Vizio V556-G1 and D55X-G1 only come with standard XRT136 remote control, we can also control those two TVs conveniently with Amazon Alexa and Google Assistant since they are both already compatible.
4. Speaker System
We can find that both of Vizio V556-G1 and D55X-G1 only come with basic speaker system. They both come with 2Ch 20W speaker system. Although it’s only basic speaker system, we can still hear good sound quality from 2Ch 20W speaker system of those two TVs. If you have higher audio expectation, I’m sure that you need to attach your favorite soundbar to those two TVs to enjoy more powerful surround sound that can meet your audio taste.
After we talk about similarities of Vizio V556-G1 and D55X-G1, we can summarize their similarities using the table below.
| Vizio V556-G1 | Vizio D55X-G1 | |
| Screen Size | 65-inch | 65-inch |
| Display Type | LED | LED |
| Backlight Technology | Full Array LED | Full Array LED |
| Resolution | 4K UHD | 4K UHD |
| Upscaling Technology | Spatial Scaling Engine | Spatial Scaling Engine |
| Picture Processor | Octa-Core Processor | Octa-Core Processor |
| Smart TV Platform | Vizio SmartCast with Chromecast built-in | Vizio SmartCast with Chromecast built-in |
| Google Home & Amazon Alexa | Supported | Supported |
| Remote Control | XRT136 | XRT136 |
| Built-in Wifi | 802.11ac dual band | 802.11ac dual band |
| Speaker System | 2Ch 20W | 2Ch 20W |
| HDMI/USB | 3/1 | 3/1 |
What are Their Differences?
Vizio D55X-G1
Besides similarities, we can also find that there are few differences between Vizio V556-G1 and D55X-G1 since they are indeed two 55-Inch 4K UHD TV that come from different TV lineup and model. What are their differences? Let’s discuss more about their differences.
1. Dolby Vision Support
We can enjoy enhanced details and expanded contrast from our favorite HDR10 and HLG since both of Vizio V556-G1 and D55X-G1 already support HDR10 and HLG, Additionally, we can also find that Vizio V556-G1 already support Dolby Vision so that we can enjoy enhanced details and expanded contrast from our favorite Dolby Vision contents in Vizio V556-G1 screen.
2. Refresh Rate Technology
The refresh rate technology that integrated with Vizio V556-G1 and D55X-G1 are different. Vizio V556-G1 comes with 120Hz effective refresh rate, while Vizio D55X-G1 comes with 60Hz effective refresh rate. With 120Hz effective refresh rate, Vizio V556-G1 is able to deliver more fluid motion images on its screen especially when we use the TV as our gaming monitor.
3. Price
We can find that Vizio V556-G1 that comes as the newer model is usually offered at the higher price than Vizio D55X-G1 since It’s indeed positioned as the higher model. Since TV prices often change over time, it’s recommended that we check the price of Vizio V556-G1 and D55X-G1 before we can find their latest price difference.
We can summarize the differences of Vizio V556-G1 and D55X-G1 with the table below.
| Vizio V556-G1 | Vizio D55X-G1 | |
| Introduced | 2019 | 2018 |
| HDR Support |
|
|
| Refresh Rate Technology | 120Hz Effective Refresh Rate | 60Hz Effective Refresh Rate |
| Price | Higher | Lower |
Conclusion : Vizio V556-G1 or D55X-G1?
After we talk about the similarities and differences between Vizio V556-G1 and D55X-G1, we can find that Vizio V556-G1 is the model that positioned higher. It comes with Dolby Vision and more advanced 120Hz effective refresh rate. With Dolby Vision support, we can enjoy enhanced details and expanded contrast from our favorite Dolby Vision content sources. While 120Hz effective refresh rate is able to deliver more fluid motion images especially for gaming purpose. So if you are interested in Dolby Vision support and more fluid motion images while you don’t mind to spend higher for that, Vizio V556-G1 is the one that you should choose. Where’s recommended place to order one? You should Order Vizio V556-G1 from Walmart here…
Vizio D55X-G1 is one of the most affordable 55-Inch 4K HDR TV that we can find in the market. It’s usually offered at the lower price than Vizio V556-G1. It’s a good choice that you should choose if you have more limited budget for your 55-Inch 4K UHD TV. Although It doesn’t come with Dolby Vision support, we can find that It still can deliver enhanced details and expanded contrast from HDR10 and HLG contents. We can also find that 60Hz effective refresh rate is still able to deliver fluid motion images for most movies and sports. Where should you order Vizio D55X-G1? We recommend you to Order Vizio D55X-G1 from Walmart here…