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The Pros and Cons of 1080i and 720p on Comcast Home: What You Need to Know

Comcast Home: 1080i or 720p? The Ultimate Comparison

If you have a Comcast Home cable service, you may wonder which resolution setting is better for your TV: 1080i or 720p. Both are high-definition formats that offer more clarity, color, and detail than standard-definition analog TV. However, they have some differences that may affect your viewing experience. In this article, we will compare 1080i and 720p and help you decide which one to choose.

1080i Or 720p Comcast Home

What Is 1080i?

1080i is a picture containing 1,080 rows of 1,920 pixels. It is interlaced, meaning the lines are painted on the screen in two passes of 540 lines each. The entire image refreshes every 30th of a second. The total number of pixels in a complete 1080i signal is 2,073,600. However, only about 1,036,800 pixels are sent every 60th of a second.

What Is 720p?

720p is a picture containing 720 rows of 1,280 pixels. It is progressive, meaning all the lines are drawn on the screen at once. The entire image refreshes every 60th of a second. The total number of pixels displayed on the entire 720p screen surface is 921,600.

Which One Is Better?

The answer depends on several factors, such as the type of content you are watching, the size and quality of your TV, and your personal preference. Here are some pros and cons of each format:

  • 1080i: This format produces more detail than 720p, especially for still images or slow-moving content. However, it may also introduce some interlacing artifacts, such as jagged edges or a slightly blurred effect, for fast-moving objects. Some TVs may also have trouble deinterlacing the signal and scaling it to their native resolution.

  • 720p: This format produces less detail than 1080i, but it also avoids interlacing artifacts and provides a smoother motion for fast-moving content. It may also be easier for some TVs to display without scaling issues.

Some TV channels broadcast in 1080i (such as CBS, NBC, WB) while others broadcast in 720p (such as FOX, ABC, ESPN). However, that does not mean you are seeing those resolutions on your TV screen. Your Comcast cable box can convert any incoming signal to either 1080i or 720p according to your preference. You can change this setting by following these steps:

  • Press the Menu button on your Comcast remote control.

  • Select Settings, then Device Settings, then Video Display.

  • Select HDMI/YPbPr Output, then choose either 1080i or 720p.

  • Press Exit to save your changes and exit the menu.

You may want to experiment with both settings and see which one looks better on your TV for different types of content. You can also check the resolution of the channel you are watching by pressing the Info button on your remote control.

What About 4K and UHD?

4K and UHD are newer resolutions that offer even more detail than 1080p. 4K refers to a resolution of 4096 x 2160 pixels, while UHD refers to a resolution of 3840 x 2160 pixels. Both are four times the resolution of 1080p. However, these resolutions are not used in TV broadcasting, but only by some streaming services and Blu-ray discs. To watch 4K or UHD content, you need a compatible TV, a fast internet connection, and a compatible device or player.

How to Improve Your Picture Quality

Besides choosing the right resolution setting for your Comcast cable box, there are other ways to improve your picture quality on your TV. Here are some tips:

  • Use an HDMI cable to connect your cable box to your TV. HDMI cables can carry both video and audio signals in high quality. Avoid using composite or coaxial cables, which can degrade the signal.

  • Adjust the picture settings on your TV. Most TVs have different modes or presets that affect the brightness, contrast, color, sharpness, and other aspects of the picture. You can choose the mode that suits your preference or the type of content you are watching. You can also fine-tune the settings manually if you want more control.

  • Calibrate your TV. Calibration is the process of optimizing the picture settings on your TV according to the lighting conditions and viewing distance in your room. You can use a calibration disc, a calibration app, or a professional service to calibrate your TV.

How to Optimize Your Comcast Home Internet Speed?

Comcast Home offers various internet plans with different speeds and data limits. Depending on your needs and usage, you can choose the plan that suits you best. However, sometimes you may experience slow or unreliable internet speed due to various factors. Here are some ways to optimize your Comcast Home internet speed:

  • Test your speed. You can use online tools such as or Xfinity Speed Test to measure your current internet speed and compare it with your plan's speed. If you are getting significantly lower speed than what you are paying for, you may need to contact Comcast customer service.

  • Upgrade your equipment. You can improve your internet speed by using a compatible modem and router that support the latest technology and standards. You can also use an Ethernet cable instead of Wi-Fi to connect your devices directly to the modem or router for a faster and more stable connection.

  • Optimize your Wi-Fi. You can enhance your Wi-Fi performance by placing your router in a central and open location, away from walls, metal objects, and other sources of interference. You can also adjust the Wi-Fi channel and frequency, update the firmware, and secure your network with a strong password.

  • Reduce bandwidth usage. You can increase your internet speed by reducing the number of devices and applications that are using your bandwidth at the same time. You can also limit or schedule downloads, uploads, streaming, gaming, and other activities that consume a lot of data.

How to Enjoy Comcast Home Entertainment Options?

Comcast Home offers a variety of entertainment options for you to enjoy on your TV, computer, or mobile device. You can access thousands of on-demand movies and shows, stream live TV channels, watch Netflix, Hulu, Amazon Prime Video, and other streaming services, and listen to music from Pandora, iHeartRadio, and more. Here are some ways to enjoy Comcast Home entertainment options:

  • Use the Xfinity X1 remote. You can use the Xfinity X1 remote to control your cable box, TV, and audio system with voice commands or buttons. You can also search for content by title, genre, actor, network, or keyword.

  • Use the Xfinity Stream app. You can use the Xfinity Stream app on your smartphone or tablet to watch live TV, on-demand movies and shows, and DVR recordings anywhere with an internet connection. You can also download content for offline viewing.

  • Use the Xfinity Flex device. You can use the Xfinity Flex device to stream online content from various apps and services on your TV. You can also access your Xfinity Home security system, smart home devices, and Wi-Fi network settings from the device.

  • Use the Xfinity TV website. You can use the Xfinity TV website on your computer to watch live TV, on-demand movies and shows, and DVR recordings online. You can also manage your DVR settings, parental controls, purchases, and preferences from the website.

How to Compare Comcast Home with Other Providers?

Comcast Home is one of the largest and most popular providers of cable TV, internet, and phone services in the US. However, it is not the only option available for consumers. Depending on your location, you may have access to other providers that offer similar or different services and plans. Here are some ways to compare Comcast Home with other providers:

  • Check the availability. You can use online tools such as Allconnect or to enter your zip code and see what providers and plans are available in your area. You can also visit the websites of individual providers and check their coverage maps.

  • Compare the features. You can compare the features and benefits of different providers and plans, such as the number and quality of channels, the speed and data limit of internet, the reliability and clarity of phone, the availability and compatibility of streaming services and apps, the ease and convenience of installation and customer service, and so on.

  • Compare the prices. You can compare the prices and fees of different providers and plans, such as the monthly rate, the promotional rate, the contract length, the equipment rental or purchase cost, the installation or activation fee, the taxes and surcharges, the early termination fee, and so on.

  • Read the reviews. You can read the reviews and ratings of different providers and plans from various sources, such as online forums, blogs, magazines, consumer reports, and websites such as Consumer Affairs or Trustpilot. You can also ask for recommendations from your friends, family, neighbors, or coworkers who have experience with different providers.

How to Save Money on Comcast Home?

Comcast Home can be a great service that offers a lot of value and convenience for your entertainment and communication needs. However, it can also be expensive if you are not careful with your spending. Here are some ways to save money on Comcast Home:

  • Negotiate your bill. You can try to negotiate your bill with Comcast customer service by asking for a lower price, a free upgrade, a loyalty discount, or a match with a competitor's offer. You can also threaten to cancel your service if you are not satisfied with their offer.

  • Cut the cord. You can save money by cutting the cord and switching to streaming services instead of cable TV. You can use an antenna to get free local channels over-the-air, or use a device such as Roku or Chromecast to stream online content from various apps and services on your TV.

  • Buy your own equipment. You can save money by buying your own modem and router instead of renting them from Comcast. This way, you can avoid paying monthly rental fees and get better performance and features from your equipment.

  • Limit your data usage. You can save money by limiting your data usage on your internet plan. You can monitor your data usage online or on the Xfinity My Account app and set up alerts or notifications when you are close to reaching your data limit. You can also use Wi-Fi instead of cellular data when possible, avoid downloading or streaming large files or videos, and turn off automatic updates or backups on your devices.


Comcast Home is a comprehensive service that offers cable TV, internet, and phone in one package. You can enjoy high-definition picture quality, fast and reliable internet speed, and unlimited nationwide calling with Comcast Home. You can also access a variety of entertainment options, such as on-demand movies and shows, live TV channels, streaming services, and music apps. However, you may also face some issues with your Comcast Home service, such as poor picture quality, slow internet speed, or no dial tone. You can troubleshoot these issues by following some simple steps or contacting Comcast customer service. You can also compare Comcast Home with other providers and plans and find the best deal for your needs and budget. You can also save money on Comcast Home by negotiating your bill, cutting the cord, buying your own equipment, or limiting your data usage.

We hope this article has helped you understand the difference between 1080i and 720p on Comcast Home and how to choose the best resolution for your TV. We also hope you have learned some useful tips and tricks to optimize your Comcast Home service and enjoy the best entertainment experience possible. b99f773239

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