First of all, let's talk about a recent story involving a smart TV user named Tudou. His mom spent 5,000 yuan on a smart TV and installed it at home. However, she quickly found that the experience wasn’t smooth—every time she tried to watch live TV, it kept buffering. Naturally, she thought it might be an issue with the network or the TV app itself. After checking, they found out that the home internet speed was good, and the TV app was even the latest version. The old version had been slow, but this one still felt laggy. Finally, they checked the TV model and its specs. To their surprise, the running memory (RAM) was only 0.56GB. A 5,000-yuan TV with such low RAM? It was frustrating. The user said he wanted to smash the TV! But to avoid making his mom sad, he decided to hide the truth and secretly bought a 2GB RAM upgrade box to improve performance.
Today, I want to share some key points when choosing a smart TV.
First and foremost, always check the RAM. What is a smart TV mainly used for? It’s for connecting to the internet, installing apps, watching live TV, and streaming movies and series. If you just want to install a cable TV service, you can go for the cheapest option of the same size. But if you're looking for a real smart TV experience, then RAM is critical.
Summary: Smart TVs are designed for streaming online videos.
To choose a smart TV that can handle online video smoothly, it's important to understand how video playback works and what hardware components matter. When you watch a video, it's first downloaded from the server to your TV's local memory before playing. So, the more RAM you have, the better the buffering and smoother the experience.
Reference: [Link](http://blog.csdn.net/u012587637/article/details/54377018)
So, when buying a smart TV, make sure it has enough RAM. The bigger the screen and the higher the resolution, the more important it becomes. Even 4K content requires a strong system. Without sufficient memory, you’ll end up with choppy playback, especially if your internet connection isn't stable.
It's also essential to understand the difference between RAM and storage. In Android devices, including smart TVs, there are two types of memory: ROM (storage) and RAM (running memory). ROM is like a hard drive—it can be expanded via a microSD card. RAM, however, is like your computer's memory, and it cannot be upgraded once the device is purchased. Most smart TVs come with 2GB or 3GB of RAM, but some may offer 4GB.
In short, since RAM can't be expanded, it's crucial to choose a smart TV with enough memory at the time of purchase. Otherwise, you'll be stuck with a slow device, no matter how many apps you install or how fast your internet is.
I did a quick search on Jingdong and looked at how major TV brands describe their RAM. I picked two models from each brand and checked the specs. All were priced around 8,000 yuan. Here's what I found:
From the data, it seems that some brands, like Music TV, have the highest RAM. However, others didn’t clearly label the running memory. To get the real numbers, I called each manufacturer’s customer service, and to my surprise, most couldn’t tell the difference between RAM and storage. That’s pretty embarrassing for smart TV manufacturers who are supposed to be tech-savvy.
Even online retailers like Jingdong don’t always highlight the RAM, and offline stores are even worse. As a result, many users end up buying a smart TV only to find out later that it’s too slow for their needs. Make sure to forward this information to friends or family who are thinking about buying a smart TV.
What issues have you faced while buying a smart TV or a set-top box? Feel free to share your experiences below.
For more smart TV and set-top box information, you can visit [Smart TV Information Network Sofa Butler](http://), a leading platform in China for smart TV and box reviews, news, software, and support.
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