Bluetooth 4.0 vs 5.0: Which is a Best Choice?

Bluetooth 4.0 vs 5.0

In the fast-paced world of wireless tech, Bluetooth stands tall as the unsung hero, quietly connecting our gadgets and gizmos with ease. Whether it’s jamming out to your favorite tunes on wireless headphones or controlling your smart home devices, Bluetooth has your back.

From the audio streaming in your wireless headphones to the latest IoT devices, Bluetooth technology has significantly evolved. The jump from Bluetooth 4.0 to Bluetooth 5.0 marks a pivotal shift, enhancing everything from data transfer rates to power consumption. There by there was a significant notable differences between Bluetooth 4.0 vs 5.0

Now, let’s talk numbers for a sec. According to the wizards at Statista, the world shipped a whopping 4.9 billion Bluetooth devices in 2022 alone. And get this, by 2027, that number’s expected to skyrocket to 7.6 billion units! That’s like every person on the planet having more than one Bluetooth device. Crazy, right?

So, what’s all the fuss about Bluetooth 5.0, you ask? Well, my friend, that’s what we’re here to uncover. Strap in as we dive deep into the magical world of Bluetooth upgrades, exploring how Bluetooth 5.0 is revolutionizing the way we wirelessly connect our lives.

Key Takeaways

  • Key differences between Bluetooth 4.0 vs 5.0
  • Bluetooth 5.0 offers twice the speed and four times the range of Bluetooth 4.0, with eight times the bandwidth.
  • Enhanced power efficiency in Bluetooth 5.0 leads to longer battery life for devices.
  • Bluetooth 5.0’s increased message capacity and lower power consumption make it ideal for IoT applications.
  • Both versions maintain backward compatibility, ensuring a seamless transition for users.

Evolution of Bluetooth Technology

Evolution of Bluetooth

The progression from Bluetooth 4.0 to Bluetooth 5.0 is more than just an incremental update; it’s a significant leap forward in technology development. Let’s break it down in simple terms.

  • Speed and Range: Bluetooth 5.0 doubles the data transfer speed, reducing the time required for information exchange between devices. The extended range supports connections up to 240 meters, opening new possibilities for device placement in smart homes and offices.
  • Message Capacity: The actual data payload size in Bluetooth 5.0 is much larger, enhancing the efficiency of data packets and supporting more complex communications.
  • Power Efficiency: Despite its increased capabilities, Bluetooth 5.0 operates with less power, thanks to its optimized Bluetooth low energy technology. This development is crucial for devices like Bluetooth tracker tags and wearables, where power consumption directly impacts user experience.

Bluetooth 4.0

Bluetooth gadgets

Introduced in 2010, Bluetooth 4.0 marked a significant milestone in Bluetooth technology with the introduction of Bluetooth Low Energy (BLE). This was a game-changer for many devices, particularly those not requiring constant communication and aiming to conserve power, such as fitness trackers and other wearable technology. Here are the key features and impacts of Bluetooth 4.0:

  • Bluetooth Low Energy (BLE): This was the standout feature of Bluetooth 4.0, focusing on significantly lower power consumption. It allowed devices to remain connected over long periods without draining battery life.
  • Smart Device Explosion: Bluetooth 4.0’s low energy consumption feature enabled the vast expansion of the IoT ecosystem, connecting everything from fitness bands to smart home devices.
  • Compatibility and Connectivity: While it introduced BLE, Bluetooth 4.0 also maintained compatibility with previous versions, ensuring devices could communicate with older hardware. However, the data transfer rates and range were limited compared to what Bluetooth 5.0 would later offer.

Bluetooth 5.0

Bluetooth Gadgets

Bluetooth 5.0 isn’t just about faster data transfer or extended range; it encompasses a broad spectrum of improvements that affect various aspects of technology:

  • Backward Compatible: Ensuring that new devices can still communicate with older versions, Bluetooth 5.0 maintains full compatibility with previous Bluetooth versions, ensuring a smooth transition for users upgrading their devices.
  • Audio Streaming and Playback: Enhanced audio streaming capabilities mean better sound quality for music playback, an essential feature for audio devices and wireless headphones.
  • Smart Connectivity: With its ability to handle more connected devices simultaneously, Bluetooth 5.0 simplifies the management of smart home ecosystems, from lighting to security systems.

Difference Between Bluetooth 4.0 vs 5.0

Bluetooth 4.0 vs Bluetooth 5.0

The leap from Bluetooth 4.0 to Bluetooth 5.0 represents a major step forward in Bluetooth technology. Bluetooth 4.0 introduced Bluetooth Low Energy (BLE), a game-changer for devices requiring minimal power consumption.

However, Bluetooth 5.0 expanded on these capabilities, significantly enhancing range, speed, and the overall efficiency of the connection.

This version not only supports a wider array of devices but also improves the user experience with faster data transfers and more reliable connections over greater distances.

When comparing Bluetooth 4.0 vs 5.0, several key differences stand out:

  • Speed: Bluetooth 5.0 offers twice the speed of Bluetooth 4.0, allowing for quicker data exchanges.
  • Range: The range of Bluetooth 5.0 is four times that of 4.0, greatly expanding the distance over which devices can communicate.
  • Bandwidth: With eight times the bandwidth, Bluetooth 5.0 supports larger data packets, enabling more detailed information transfer.
  • Power Efficiency: Despite these enhancements, Bluetooth 5.0 has been engineered for lower power consumption, making it ideal for small, battery-operated devices.

Bluetooth in Consumer Electronics

Bluetooth Gadgets

Bluetooth technology’s role in consumer electronics has grown exponentially, influencing the design and functionality of a wide range of products:

  • Audio Devices: From Bluetooth headphones to wireless headsets, the audio quality and connectivity have improved, offering users a seamless audio experience without the hassles of cables.
  • Wearables and IoT Devices: The low message capacity and energy efficiency of Bluetooth 5.0 make it suited perfectly for wearables and a myriad of IoT devices, enabling longer battery life and more reliable connections.
  • Smartphones and Peripherals: Most new flagship phones now boast Bluetooth 5.0, enhancing connectivity with other tech companies’ products, including computer peripherals, mobile phone accessories, and home automation devices.

The Impact on Bluetooth Devices

Did You know?

The logo of Bluetooth is a combination of the Nordic runes for H and B, which refer to king Harald Bluetooth. Bluetooth technology was meant to unite devices the same way Harald Bluetooth united the tribes of Denmark into a single kingdom.

The advancements in Bluetooth 5.0 technology have a direct impact on the design and functionality of Bluetooth devices:

  • Increased Range: Devices can now function properly at greater distances, ideal for larger homes and outdoor environments.
  • Higher Data Transfer Rates: The adoption of Bluetooth 5.0 allows for quicker firmware updates and faster data synchronization between devices.
  • Improved Battery Life: Devices with Bluetooth 5.0 consume less power, leading to significant improvements in battery life, a critical factor for mobile phones and wearable technology.

Aren’t you a wee bit curious to know what were the versions prior to 4.0 Bluetooth version and how did it evolve? Well if you are then, here is an interesting and detailed blog on Different Bluetooth Versions and features of each version.

What’s New in 5.2 and 5.4?

Following Bluetooth 5.0, the Bluetooth Special Interest Group (SIG) introduced versions 5.2 and 5.4, each bringing further improvements and capabilities:

  • Bluetooth 5.2: Focused on enhancing audio experiences with the introduction of LE Audio, allowing for multi-stream audio with improved quality and lower latency. This version also introduced features aimed at increasing the efficiency and performance of wireless communication.
  • Bluetooth 5.4: Offers further improvements in the areas of security, connectivity, and energy efficiency. It also introduces new features designed to enhance device discovery and connection in crowded environments.

Upcoming 6.0

SoundHub blog on Bluetooth

The anticipation around Bluetooth 6.0 is high, with expectations of even more revolutionary features. Predictions include further enhancements in speed, range, and power efficiency, alongside new functionalities that could redefine wireless communication.

Bluetooth 6.0 is expected to push the boundaries of IoT devices, smart home technology, and wearable electronics, facilitating more seamless, efficient, and robust connections.


After comparing Bluetooth 4.0 vs 5.0, we understood that its evolution signifies a continuous effort to improve wireless communication technology.

A boy making use of Bluetooth Headphones

Each new version brings us closer to a world where devices can communicate more freely, efficiently, and over greater distances, with minimal impact on power consumption.

Looking ahead to the release of Bluetooth 6.0 fills us with excitement, as the possibilities for future wireless technology seem boundless. The advancements in Bluetooth technology not only enhance our current devices but also pave the way for the next generation of innovations in the tech space.


1: Can Bluetooth 5.0 devices connect to Bluetooth 4.0 devices?

Yes, Bluetooth 5.0 is backward compatible with all previous versions, including 4.0, ensuring seamless connectivity between devices of different generations.

2: Is there a noticeable difference in audio quality between Bluetooth 4.0 and 5.0?

Yes, Bluetooth 5.0 offers improvements in audio quality due to higher bandwidth and better data transfer rates, providing a richer audio experience.

3: Are Bluetooth 5.0 devices more expensive than Bluetooth 4.0 devices?

While initial Bluetooth 5.0 devices may carry a premium, prices are expected to normalize as the technology becomes more widespread.

4: How does Bluetooth 5.0 benefit IoT devices?

Bluetooth 5.0’s increased range, higher data transfer rate, and lower power consumption make it ideally suited for IoT devices, enabling more efficient and reliable smart device.