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Pros – Relatively inexpensive, High bandwidth interface, Good airflow, PSU is user upgradeableĬons – Only works for Alienware machines (R2 & up), Uses proprietary cable, Requires shutdown to connect / disconnect Let’s Take A Look At What is Available Today:Īlienware Graphics Amplifier (MSRP $199): Listed from bottom to top, each graph has performance of the internal GPU, the Graphics Amplifier with a desktop GPU, and that same GPU in a regular desktop PC. Here’s a few benchmarks of recent AAA titles, courtesy of TechSpot. However, even over a dedicated laptop GPU the increase in performance when using an external one is roughly double. This can be due to a reduced bandwidth over the connection to the laptop, or due to bottlenecking from less powerful laptop CPUs. In general, performance loss over using that same GPU in a real desktop is 10-15%. So What Are The Performance Numbers Really Like? Along with the GPU support, docks usually also add at least four USB ports to connect peripherals similar to the laptop docks of olde. They can all accept any single or dual-slot GPU from AMD or Nvidia (cooler size permitting), and have at least two 6+2-pin power connectors to power the graphics card. Each commercially available dock has their own benefits and drawbacks, but all of them share some basic properties. The graphics card will have to be purchased separately, and to see a sizable difference in performance over a dedicated laptop GPU you will be looking at around $200 for that card on top of the cost of the dock. The internal GPU is completely bypassed and data is sent from the laptop to the GPU to an external display, and in some cases back to the laptop to power its own internal display.
ARE THERE EXTERNAL GPU FOR LAPTOPS DRIVERS
After installing the right drivers and performing two or three restarts, hark! High frame rates at high settings are coming your way. The basic concept of an external graphics dock is this: take a regular desktop Graphics Card, plug it into a PCIe slot in a dock, get power to the dock and the Graphics card, then plug that dock into your laptop. Sounds Great! How Do These External Graphics Docs Work, Then? The most basic eGPU dock Using an external graphics dock you can get the best of both worlds! There is minimal assembly required, and you can have your thin and light laptop to bring to class or to work, then when you get home plug into your external graphics dock and have all the gaming horsepower and display outputs you need. If not a gaming laptop, then they do what they can with their thin & light notebook with integrated graphics that, while great for portability, can not run games very well at all. These people will more often than not opt to get a gaming laptop instead, which with their high cost and TDP/wattage-limited graphics solutions prove unsatisfactory for high intensity gaming. Not everyone who likes to play video games has the time, money, or know-how to build their own gaming PC.