What is a Egpu?

An external graphics card (also known as an eGPU or external GPU) enclosure allows you to house an desktop graphics card, such as the blisteringly fast GeForce GTX 1080, and connect it to your laptop and allow it to run applications or connect to an external monitor with the desktop graphics card.

Desktop GPUs are far more powerful than integrated mobile CPUs and offer up to 10x performance improvements when running a notebook on an external GPU

External GPU enclosures have been around for a number of years, but the full capabilities have truly been limited by the slow bandwidth and connectivity of the eGPU to the laptop. Only now it is possible to truly embrace the full power of desktop-grade GPUs on an eGPU thanks to new technologies such as Thunderbolt 3, offering bandwidth of up to 40gb/s, almost double the speed of Thunderbolt 2, and four times the speed of USB 3.1!

As virtual reality (VR) begins to hit the market, most current-gen laptops do not currently offer enough graphics processing power to run VR-ready games, and hence using an eGPU provides a solution for this inevitable situation. This saves you buying a top-of-the-range desktop PC to experience VR gaming, or shelling out thousands of dollars on an expensive, VR-ready gaming notebook. External GPUs will make your Laptop or Mac system ready for VR systems.

Why should you consider buying an External GPU in 2017? 

The external GPU market is all to play for in 2017, with no single brand ruling this eGPU market, with all major graphics card companies including Alienware, Razer and Asus all releasing their eGPU enclosures and create the best external graphics card in the market. Before the adoption of Thunderbolt connectivity in many high-end laptops that are sold today, external GPUs never really took off due to the limitations of bandwidth when using USB 2.0 to connect the laptop to the external GPU. Hence, this was an inefficient way to gain a performance boost for your graphics performance and overall gaming experience of your laptop.

Recently, the gaming laptop and high-end laptop market are beginning to adopt Thunderbolt 3 connectivity, meaning now there is the opportunity and potential for using eGPUs to increase your laptop gaming power.

Soon the bottleneck of the inbuilt graphics card in notebooks will no longer be the limiting factor in your gaming performance thanks to the desktop-like capability of hooking up to an external GPU.

If you’re in the market for a laptop to hook up to an external GPU, make sure you look for a laptop bearing thunderbolt 3 connectivity. It is possible to hook up an eGPU via ExpressCard or mPCIe to get some extra gaming performance for your hardware, however these connections aren’t the future of eGPUs, the future is in thunderbolt 3 (at least, for now).

Benefits of External Graphics Cards

External graphics card provide the solution for many laptop owners who wish to experience desktop-like graphics performance. A summary of the top benefits of using an external GPU is listed below:

1. With external GPUs, it will be possible to unleash your notebooks true potential for graphics intense applications, such as rendering and most importantly gaming.

2. External GPUs future proof your laptop, allowing upgradeability of your GPU, and reducing the chance of you being stuck with an outdated and redundant laptop.

3. External graphics cards will particularly appeal to the teenage gamer, especially anyone moving out and going to college, looking to retain graphics performance of desktop-grade graphics with an eGPU, whilst allowing for portability and practicality of the notebook around campus.

4. External GPU enclosures make current gen notebooks VR-ready with powerful full sized, discrete GPUs, such as the Nvidia GeForce Titan X. Only the top end mobile integrated GPUs are VR-ready and hence are only in the top-end of gaming laptops.

External GPU Terminologies explained:

AMD Xconnect Technology: AMD’s XConnect technology makes it possible for Radeon GPUs to be plugged into supported laptops on the fly, whilst for GeForce graphics cards you’ll need to shut down your system before swapping in the card.

Thunderbolt 3: Thunderbolt 3 is a hardware interface which connects external peripheral devise to you computer. Developed my Intel, Thunderbolt 3 promises speeds of up to 40 gigabit-per-second, a blisteringly fast speed capable of providing laptops to offer near-desktop performance when hooked up to an external graphics card. It is crazy to think that you can have a laptop that struggles to play a 1080p movie natively, but when connected to an external GPU it can play Battlefield 4 smoothly without issue.

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