When we talk about affordable 55-Inch 4K UHD TV that support Dolby Vision, we can find Vizio M558-G1 and P55-F1 as two choices that we can consider. Both of Vizio M558-G1 and P55-F1 as two 55-Inch 4K UHD TV that support HDR10, HLG and Dolby Vision. Vizio M558-G1 comes as part of Vizio’s 2019 M-Series Quantum, while Vizio P55-F1 was released as part of Vizio’s 2018 P-Series. Which of them is the one that you should choose? It’s a good idea to talk about the similarities and differences between Vizio M558-G1 and P55-F1 before we can answer that question.
What are Their Similarities?
Vizio M558-G1
Vizio M558-G1 and P55-F1 are two 55-Inch 4K UHD TV introduced by Vizio. So we can guess that there are several similarities between those two 55-Inch 4K HDR TV. What are their similarities? Let’s talk about that together.
1. 4K UHD Resolution with Spatial Scaling Engine
We can find that both of Vizio M558-G1 and P55-F1 come with 4K UHD Resolution. We can also find that both of those two TVs come with Spatial Scaling Engine as their picture engine. Spatial Scaling Engine allows us to enjoy excellent 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 with Local Dimming Zones
Both of Vizio M558-G1 and P55-F1 come with Full Array LED Backlight that completed with Active LED Zones as their local dimming zones. Full Array LED Backlight is able to deliver superior light uniformity, while Active LED Zones that works as their local dimming zones can bring darker blacks so that we can enjoy better contrast vibrancy.
3. HDR Support and Picture Processor
HDR10, HLG and Dolby Vision are already supported by Vizio M558-G1 and P55-F1 so that we can enjoy enhanced details and expanded contrast from wide range of HDR content sources. We can also find that Octa-Core processor is installed in both of Vizio M558-G1 and P55-F1 as their picture processor. It can optimize the color, clarity and contrast of the picture delivered on those two TVs.
4. Smart TV Platform & Remote Control
The smart TV platform that installed on Vizio M558-G1 and P55-F1 are similar. We can find Vizio SmartCast with Chromecast built-in is installed on those two TVs as their smart TV platform. Vizio SmartCast can deliver wide range of entertainment with 802.11ac dual band wireless that provides fast internet connection to your favorite content providers. The remote control that included with Vizio M558-G1 and P55-F1 are similar. They both come with XRT136 remote. We can also control Vizio M558-G1 and P55-F1 conveniently with Google Assistant and Amazon Alexa since they are both already compatible with those two TVs.
5. Speaker System
The speaker system that integrated with Vizio M558-G1 and P55-F1 are quite basic. They both come with 2Ch 20W speaker system. Although It’s quite basic, 2Ch 20W speaker system of those two TVs still can deliver good sound quality. But if you have higher audio taste, I’m sure that you need to attach your soundbar to enjoy more powerful surround sound that can meets your audio expectation.
We can summarize the similarities between Vizio M558-G1 and P55-F1 with the table below.
| Vizio M558-G1 | Vizio P55-F1 | |
| Screen Size | 55-Inch | 55-Inch |
| Display Type | LED | LED |
| Backlight Type | Full Array LED | Full Array LED |
| Dimming Technology | Local Dimming | Local Dimming |
| Resolution | 4K UHD | 4K UHD |
| Upscaling Technology | Spatial Scaling Engine | Spatial Scaling Engine |
| HDR Support |
|
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| Picture Processor | Octa-Core Processor | Octa-Core Processor |
| Smart TV Platform | Vizio SmartCast with Chromecast Built-in | Vizio SmartCast with Chromecast Built-in |
| Google Assistant & Amazon Alexa | Compatible | Compatible |
| Remote Control | XRT136 | XRT136 |
| Built-in Wi-fi | 802.11ac dual band | 802.11ac dual band |
| Speaker System | 2Ch 20W | 2Ch 20W |
What are Their Differences?
Vizio P55-F1
There are few differences that we can find between Vizio M558-G1 and P55-F1 besides several similarities that we have talked before. What are their differences? Let’s talk about that together.
1. Local Dimming Zones
While both of Vizio M558-G1 and P55-F1 come with similar Full Array LED Backlight that completed with Active LED Zones, we can find that the number Active LED Zones that integrated with those two TVs are different. Vizio M558-G1 comes with 90 Active LED Zones as its local dimming zones, while Vizio P55-F1 comes with 56 local dimming zones. With more local dimming zones, Vizio M558-G1 is able to deliver better dark.
2. Brightness Technology
We can find that the brightness technology of Vizio M558-G1 and P55-F1 are different. Vizio M558-G1 comes with UltraBright 600, while Vizio P55-F1 comes with UltraBright 1000. With UltraBright 1000, we can enjoy better peak brightness in the screen of Vizio P55-F1 than Vizio M558-G1.
3. Refresh Rate Technology
The refresh rate technology of Vizio M558-G1 and P55-F1 are different. Vizio M558-G1 comes with Clear Action 360 that based on 120Hz effective, while Vizio P55-F1 comes with Clear Action 720 that based on 240Hz effective. While they both can deliver smooth motion images for your favorite action movies and sports, we can still find that Clear Action 720 is able to deliver more fluid gaming experience when we use the TV as our gaming monitor.
4. Price
We can find that Vizio M558-G1 is usually offered at the lower price than Vizio P55-F1. Although Vizio M558-G1 comes as the newer model, but it’s indeed positioned as the lower model than Vizio P55-F1. Since TV price often change from time to time, it’s recommended that we check the price of Vizio M558-G1 and P55-F1 before we can find their latest price difference.
The differences of Vizio M558-G1 and P55-F1 can be summarized with the table below.
| Vizio M558-G1 | Vizio P55-F1 | |
| Introduced | 2019 | 2018 |
| Local Dimming Zones | 90 | 56 |
| Brightness Technology | UltraBright 600 | UltraBright 1000 |
| Refresh Rate Technology | Clear Action 360 (120Hz Effective) | Clear Action 720 (240Hz Effective) |
| HDMI/USB | 4/1 | 5/1 |
| Price | Less Expensive | More Expensive |
Which of Them is the One that You Should Choose?
As the newer model, we can find that Vizio M558-G1 is indeed positioned as the lower model than Vizio P55-F1. Although It comes with more local dimming zones, but Vizio M558-G1 comes with lower UltraBright that means It’s less bright than Vizio P55-F1. We can also find that Vizio M558-G1 is also less fluid when It comes to action gaming scenes since It comes with only Clear Action 360 (compared to Clear Action 720 of Vizio P55-F1). But we can find that all other aspects of Vizio M558-G1 are similar to Vizio P55-F1. So It becomes the one that you should choose when you have more limited budget. Where should you order Vizio M558-G1? We recommend you to Check Today’s Offer of Vizio M558-G1 on Ebay here…
Vizio P55-F1 is the older model that positioned higher than Vizio M558-G1. Although It comes with less local dimming zones, but Vizio P55-F1 is able to deliver higher brightness with UltraBright 1000 (compared to UltraBright 600 of Vizio M558-G1). We can also find that Vizio P55-F1 can bring more fluid action gaming scenes when we use it as our gaming monitor since It comes with Clear Action 720 (compared to Clear Action 360 of Vizio M558-G1). In the price side, we can find that Vizio P55-F1 is usually offered at the higher price than Vizio M558-G1. So if you are looking for better brightness technology and more fluid motion images (especially for gaming) and you don’t mind to spend higher, Vizio P55-F1 is the one that you should choose. Where’s recommended place to order one? You should Check Today’s Offer of Vizio P55-F1 on Ebay here…