5G vs. 4G: Differences Between Speed, Service and Quality

5G vs. 4G: Is Upgrading to 5G Worth It?

As the world embraces the newest mobile technologies, it iss important to understand the distinction between 4G, which was the norm in the 2010s, and 5G, which is shaping the future of mobile. Knowing the differences between the two will help you learn the benefits of 5G and determine if your phone and service provider are compatible, and whether or not you should upgrade.

How is 5G Different From 4G?

5G is a significant upgrade from 4G, offering much faster speeds, lower latency, and better network capacity. While both are generations of cellular technology, 5G improves your experience with smoother streaming, faster browsing, and more reliable communication by reducing delays and supporting more connected devices at once.

Technically, 4G operates on lower-frequency bands (600 MHz to 2.5 GHz), which provide broader coverage but slower speeds. In contrast, 5G uses a broader range of frequencies, including low-band (sub-1 GHz), mid-band (1-6 GHz), and high-band (24+ GHz), enabling much higher data speeds and lower latency.

5G also enhances call quality, download speeds, and overall performance compared to 4G, making it the next step in mobile connectivity. As each new generation of cellular technology brings significant advancements, 5G is the future for faster, more efficient mobile experiences.

In fact, the names "4G" and "5G" refer to the generations of cellular telecommunications technology. So, if you want to be streaming, chatting, texting, and browsing at your best-5G is the way to go.

How Much Faster Is 5G Than 4G?

Speed is where 5G outperforms 4G by a wide margin, since 5G can reach speeds 20 times faster than 4G LTE. For example, 4G LTE offers a peak speed of 1GB (gigabit) per second, whereas 5G may reach 20GB per second at peak speeds.

This increase in speed allows for smoother video streaming, faster downloads, and improved performance for data-heavy applications like cloud gaming and virtual reality. Beyond raw speed, 5G also offers much lower latency, reducing delays in data transmission. While 4G latency ranges from 20-40 milliseconds, 5G can achieve under 5 milliseconds.

5G also offers higher network capacity, allowing more devices to connect without causing congestion. This ensures a smoother experience in high-traffic areas like stadiums and city centers. One of 5G's biggest advantages over 4G is its ability to eliminate congestion. With more devices able to connect securely and reliably in the same area, future versions of 5G are expected to be transformative for data-driven companies, smart cities, and infrastructure management.

What Are the Advantages of 5G vs. 4G?

Overall, 5G surpasses 4G in speed, lower latency, greater device connectivity, reduced interference, and improved efficiency, thanks to its advanced technologies, expanded spectrum, and higher-frequency bands.

Both 5G and 4G utilize similar technologies that transmit using radio signals. The difference lies with 5G's ability to use a wider range of frequencies, allowing data to travel stronger and faster. 5G is also more efficient because its technology allows it to reach people with less clogging and slow-downs.

The table below shows a breakdown of the differences between 4G and 5G performance. It includes the following:

• Average download speed: These are the speeds that we see in the real world for each network. The speeds represent how long pages, files, and other data take to download and install.
• Latency: Information is sent in “packets” from one point to another. Latency is the average time it takes for that information to be sent and received.
• Bandwidth/Capacity: Networks operate within selected frequency ranges. The capacity of a network is how much room it has in those ranges for all phones and devices to utilize. If one device is taking up too much bandwidth, then another device will have slower speeds

5G has the advantage over 4G in all performance categories, meaning you can do whatever you need, faster. 4G is still available in more places nationwide as 5G spreads from large cities. However, because 5G has more bandwidth and also more frequency bands, there will be more types of 5G so that people in all areas can eventually take advantage.

Is 5G or 4G Better?

Whether 5G or 4G is better for you depends on several factors, including your location, network availability, phone compatibility, and internet needs. If you live in an area with strong 5G coverage and have a 5G compatible device, upgrading your device or plan can provide significantly faster speeds, lower latency, and improved connectivity for activities like high-definition streaming, online gaming, and video conferencing.

However, if 5G is not widely available in your area or you primarily use your phone for everyday tasks like browsing, social media, and calls, 4G may still be sufficient. Additionally, upgrading to 5G may require a newer phone and a compatible data plan. If you rely on fast, uninterrupted internet for work, gaming, or smart home devices, switching to 5G could be a worthwhile investment.

What’s Next: Will There Be a 6G?

Just as technology is always advancing, there will be a 6G. It will be even faster and more dependable than 5G, operating with extremely low latency and high download speeds. That means even better quality calls, browsing, and streaming than ever before. It also means better location-based uses like navigation, maps, fitness tracking, social sharing, ride-sharing, or delivery services.

6G is also expected to enable advanced technologies like holographic communication, AI-driven network management, and fully immersive virtual and augmented reality experiences. However, widespread adoption will take time, just as it did with previous generations of wireless technology.

5G vs 4G Frequently Asked Questions

Does 5G Use More Data Than 4G?

5G doesn't automatically use more data than 4G. It is simply a more advanced network with higher speeds, reduced latency, and more capacity. However, 5G's advantages are likely to result in an increase in data usage over time.

With higher resolutions, more complex image processing, and augmented reality features, the quality of basic video streaming will skyrocket. This will result in a massive increase in data sent over mobile networks with every video stream.

Simply put: Thanks to 5G, we will begin to consume more data in our daily smartphone usage. Its features will lead to more powerful and connected apps that will require more from a mobile Internet connection.

Aside from conventional mobile usage, 5G will increasingly connect homes, cars, and entire cities. Meanwhile, because 5G provides a similar experience to home broadband, there will be a significant demand for 5G wireless broadband services.

Is All 5G the Same?

In short, no. In fact, 5G technology has greater variation than any previous generation. One reason is that 5 G can operate in a wider range of frequencies. Whereas 4G works within 600 MHz to 2.5 GHz, 5G actually has three main ranges: low, medium, and high band frequencies. Because of this, devices and operators will be able to offer and reach people in different ways depending on their location and service plan.

The same idea applies to providers: not all providers are the same. Some operate on different frequency bands, and others are still developing their 5G service plans.

What 5G Does Optimum Mobile Offer?

Optimum Mobile is a leading provider of 5G. Our services run on the T-Mobile 4G LTE and 5G networks-the largest, fastest, and most awarded 5G service in recent reports compared to Verizon and AT&T.

We offer three mobile data plans with different data capacities based on what you need. Starting at $19 per month per line, choose between one, three, or unlimited gigabyte plans to fit your lifestyle. Need to add on an extra gig or change your plan? Do it at any time-there's no catch. And 5G access comes with every plan so that you can be confident in great service powered by the best T-Mobile network.

You will, however, need a 5G-ready phone to take advantage of the 5G network. Luckily, we've got you covered. Our selection includes the latest 5G compatible phones like the iPhone 16e or the Galaxy S25.

Stay connected on America’s largest 5G network.

Will 4G Be Phased Out?

4G will not be phased out immediately, but as 5G networks expand, carriers may gradually reduce 4G support, similar to how 3G was phased out. However, 4G is expected to remain available for years, especially in areas where 5G coverage is still limited.

How Do I Know If My Phone Is 4G or 5G?

To check if your phone supports 4G or 5G, go to your device settings under "Mobile Networks" or "Cellular" and look for network type options. You can also check your phone's specifications on the manufacturer's website or see if your signal indicator displays "5G" when connected to a 5G network.