The Razer Core external GPU dock only works with Thunderbolt 3. As previously mentioned, the Alienware Graphics Amplifier has a proprietary connector and will only work with Alienware laptops. In addition, each of the listed external GPUs comes with specific compatibility requirements that you may or may not need to consider. The HP Accelerator Omen has a SATA port for connecting an additional HDD or SSD. The Akitio Node takes "half-length" cards.Īlienware's Graphics Amplifier doesn't have any USB or Thunderbolt ports it uses a proprietary connector instead. The OWC Mercury Helios 3 will only take cards up to 75". But if you have a modern laptop with a decent CPU (say, from the last three years or so), there's a good chance an eGPU will deliver an improved gaming experience.Įxternal GPU docks have a wide variety of compatibilities and features. If you're using an old laptop and hope that plugging in an RTX 3070 eGPU will magically make gaming incredible, you're plum out of luck. Now, the base laptop you use for your eGPU setup does have a big say in this. Furthermore, while a PCIe port can transfer a lot of data very quickly, even the latest Thunderbolt and USB-C ports cannot match that data rate. And if they are, there's a strong chance the laptop has an integrated GPU already, negating the need for an external GPU. Why not? Mostly because laptops just aren't set up to handle that much power. But the gains might not be as game-changing as you think. That's not to say the external GPU won't improve the graphical performance of your laptop it definitely will. If you're hoping to play the latest AAA titles on ultra-high settings, an external laptop GPU setup might not do it for you. However, the loss is something worth knowing about.
#External graphics card for laptop and desktop upgrade#
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That isn't a big deal, especially considering the monstrous capacity of the latest high-end graphics cards you can buy today. How much performance do you lose, then? Estimates put the loss at around 10 to 15 percent. Unfortunately, using an external GPU doesn't give you the same performance as it would if you had the same GPU mounted internally. Maybe even enough to play some graphically intense games. Using the bigger, more powerful card gives you better graphical performance. (Bear in mind that you can use an external GPU for your desktop, but they are much more common for laptops.) In theory, this process will get you better graphics performance as, by and large, laptops don't have much graphical processing power. Once you have it set up, your computer routes graphics requests to the external GPU instead of the default one supplied with your computer. (Of course, your experience will vary depending on your hardware.) Using a dock is as a simple as installing the card, installing the drivers, rebooting, and installing any custom software. An external GPU dock has a PCIe port for the graphics card and usually either a Thunderbolt or USB-C cable to connect to your computer. In most cases, you'll see an external GPU hooked up to a dock. You can get desktop-quality graphics on a laptop, which means you only need one computer for portability and high-level gaming.īut do they stand up against internal GPUs? Is it worth dropping a few hundred bucks on a dock? How much performance can you really expect? Unfortunately, expectations and realities may differ with external GPUs.īut they can still be useful. External graphics processing units (eGPUs) sound great.
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