5G vs 4G: What’s the Difference?

In a perfect world, each generation builds on the strengths of the previous one, addressing the challenges that came before. This concept is especially true when we look at the evolution of mobile networking and cellular technology.

Take 4G and 5G, for example. While 4G brought significant advancements in speed, connectivity, and the rise of trends like the Internet of Things (IoT) and mobile workforces, it also created new demands. Rapid smartphone usage and remote work growth highlighted the need for even faster speeds and better connectivity.

This is where 5G comes in. It doesn’t just aim to improve upon 4G; it seeks to surpass it in every way—faster speeds, lower latency, and higher network density. As businesses consider adopting 5G, it’s essential to understand the differences between 5G and 4G and how the 5th generation mobile network might impact business operations in the near future.

So, let’s take a deep dive into the world of 4G & 5G networking:

What is 4G?

4G, short for “Fourth Generation,” represents a significant leap in mobile technology, setting the standard for faster and more reliable cellular communications. Established by the International Telecommunications Union (ITU) in 2008, 4G introduced broadband capabilities that transformed how we use mobile devices. Compared to its predecessor, 3G, 4G offered a substantial improvement in speed and efficiency.

In the UK, the average download speed on a 4G network is about 29.5 Mbps, while upload speeds reach around 7.6 Mbps. These advancements enabled seamless video streaming, quicker downloads, and more reliable internet connections, making 4G a game-changer in mobile communications.

What is 5G?

5G is the latest evolution in mobile network technology, designed to surpass the capabilities of 4G in nearly every aspect. Launched in early 2019, 5G is built to provide faster speeds, reduced latency, and greater network capacity, paving the way for a new era of connectivity. This fifth-generation network is not just about speed—it’s about creating a more reliable and expansive network that can support advanced technologies like smart cities, autonomous vehicles, digital health solutions, and drones.

5G operates across three different frequency bands: low, mid, and high – each offers different speeds and latency.

With an average download speed of 129.9 Mbps (more than 4 times faster than 4G) and an upload speed of 14.7 Mbps (nearly 2 times faster than 4G), 5G offers a glimpse into a future where everything from urban infrastructure to personal devices can be seamlessly connected.

5G vs 4G: Comparison Table

Key Differences Between 5G and 4G

Of course, 5G is the future of cellular networks. However, you cannot deny the wide deployment of 4G.

When it comes to choosing between these two networks, you need to consider a few things and understand their difference. Let’s see how 5G differs from 4G:

Latency

One of the most significant improvements in 5G over 4G is latency (the time it takes for data to travel from its source to its destination). In 4G networks, latency ranges from 60 milliseconds (ms) to 98 ms, sufficient for most current applications. However, 5G dramatically reduces this latency to under 5 ms. This low latency is crucial for applications that require real-time response, such as autonomous vehicles, remote surgery, and immersive virtual reality experiences.

The reduced latency in 5G not only enhances these advanced applications but also contributes to faster download and upload speeds.

Base Stations and Signal Transmission

The method of signal transmission is another major difference between 4G and 5G. 4G networks rely on traditional cell towers to transmit signals over large areas. On the other hand, 5G introduces small cell technology, especially in areas where higher speeds and mmWave frequencies are used. These small cells are about the size of a pizza box and are deployed in multiple locations to provide the necessary coverage.

The reason for this shift is that 5G’s mmWave frequency, while capable of delivering higher data speeds, has a shorter range and weaker penetration through obstacles compared to the lower frequencies used by 4G. Therefore, carriers must place these small cells frequently in 5G-capable areas to ensure consistent and reliable coverage for users and businesses.

OFDM Encoding

Orthogonal Frequency Division Multiplexing (OFDM) is a technology used in both 4G and 5G to enhance network performance. OFDM splits different wireless signals into separate channels, reducing interference and increasing bandwidth.

In 4G, OFDM typically uses channels up to 20 MHz. In 5G, OFDM can use channels ranging from 100 MHz to 800 MHz, significantly increasing the amount of data that can be transmitted simultaneously. This increase in channel width is a key factor in the faster data speeds of 5G networks.

Cell Density and Network Capacity

The introduction of small cell technology in 5G not only improves coverage but also increases the network’s cell density. This increased density means that 5G networks can support a greater number of connected devices and users within the same area, enhancing overall network capacity.

While 4G also promised higher network capacity, it fell short of fully delivering on this potential. 5G, with its enhanced infrastructure and technology, is better positioned to meet the growing demand for mobile connectivity, supporting more users and devices without compromising on speed or reliability.

When to Use 4G?

While 5G technology is gaining popularity in speed and performance, 4G still holds significant advantages due to its well-established infrastructure. The widespread availability of 4G means that it remains a reliable option, especially in outskirt areas where 5G coverage is still limited.

Cost is another crucial consideration. 4G remains a more economical choice compared to the 5G technology. For many businesses, sticking with 4G can be a strategic decision, allowing them to allocate funds to other critical areas of growth and delay the transition to 5G until it becomes more necessary and cost-effective.

When to Use 5G?

The shift towards 5G is inevitable, as its advanced capabilities will eventually become the standard. The superior speed and minimal latency offered by 5G have the potential to transform various industries. It is particularly beneficial in sectors where fast and reliable internet is essential. For example:

Autonomous Vehicles

5G enables vehicles to communicate and respond to objects quickly. This rapid response is crucial for safety, as it allows vehicles to adjust their speed or route immediately in response to obstacles. The reduced latency of 5G compared to 4G is essential for the future of self-driving cars.

Virtual Reality and Industrial Technology

The low latency of 5G enhances the interactivity and immersiveness of augmented and virtual reality applications. In industries, 5G-powered AR glasses can provide real-time data overlays, helping technicians identify unsafe machine parts and improving overall safety and efficiency.

AI

When it comes to large-scale data processing, 5G accelerates data transfer, enhancing the efficiency of AI-driven systems.

For example, in building management, wireless sensors and gateways connected with 5G gateways can significantly improve data transfer speeds, leading to better operational efficiency and decision-making.

Future Opportunities with 5G

Today, 5G is more than just a buzzword. Numerous countries around the globe have started deploying 5G and using it for commercial applications as well. But there is more to come.

Here’s what to expect:

Manufacturing

In the industrial and manufacturing sectors, 5G technology is revolutionising operations by providing enhanced capacity and minimal latency, which are essential for supporting Industrial IoT (IIoT) sensors, automated robotics, and driverless vehicles across production facilities. Even in older factories that rely on analogue machinery, 5G Local Area Networks (LANs) offer an opportunity to upgrade performance and gather critical environmental data.

IIoT sensors play a vital role in this transformation by monitoring a wide range of metrics, including temperature, pressure, conductivity, and rotational speed. When integrated with machine learning, these sensors can predict potential equipment failures, enabling preventive maintenance that minimises downtime. Furthermore, maintenance teams can use the data generated by these sensors to automatically prioritise tasks based on their potential impact on operations.

Looking ahead, the integration of 5G LANs in smart factories will enable real-time monitoring and control of all machinery. This will not only prevent unplanned downtime but also optimise the efficiency of autonomous systems and enhance overall productivity.

Healthcare

The healthcare industry is beginning to unlock the potential of 5G LANs, benefiting both medical staff and patients. Currently, private 5G networks are being utilised in healthcare settings to track medical supplies, securely access clinical applications, and manage patient health information. Since cellular networks operate on a different spectrum than Wi-Fi, hospitals can use both technologies simultaneously without experiencing interference or downtime.

IoT sensors connected via 5G are already being used to remotely monitor critical medical equipment such as EKG machines, dialysis pumps, and respirators. The ultra-low latency of 5G networks allows doctors to receive real-time alerts about their most vulnerable patients, while maintenance teams can prioritise tasks to ensure life-saving devices remain operational.

The future of 5G in healthcare holds even greater promise. With advancements in 5G technology, the need for patients to travel to see specialist surgeons may become obsolete. Surgeons could potentially perform operations from remote locations, using a combination of precision robotics and stable 5G connections.

Public Utilities

Public utilities, such as electric and gas services, are also experiencing significant benefits from 5G technology. Historically, utility companies relied on manual inspections to read metres. Today, smart metres like Eastron Smart X96-1 MID equipped with 5G technology not only allow consumers to manage their energy usage but also enable utilities to remotely monitor consumption on a large scale.

By leveraging multi-band 5G, service providers can collect metre readings from both urban and rural areas, leading to more accurate billing and providing consumers with tools to track their energy usage. Additionally, when combined with machine learning, these insights can help utility companies detect potential metre tampering or fraud.

As electric and gas companies continue to adopt 5G, other sectors could also benefit from similar innovations. For instance, waste management companies could use IoT sensors to monitor dumpster levels and predict collection needs, while water companies might employ 5G technology to detect and prevent water main breaks.

Endnotes

While 4G has provided us with fast internet speeds and reliable connectivity, 5G takes things to a whole new level. It offers lightning-fast downloads, ultra-low latency, and the capacity to connect many more devices at once. This means better streaming, quicker downloads, and a more responsive experience for everything from gaming to smart home devices.

However, 5G is still rolling out, so you might not notice a huge difference just yet. However, as 5G networks expand, the impact on our daily lives will become more apparent, making it an exciting time for technology enthusiasts.

If you want to leverage the 5G network in your personal or business applications, Forest Rock is your go-to solution provider. Contact our team of experts today!