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What Are The Limitations Of eGPUs Vs Onboard Graphics Cards For Laptops?

An eGPU can bring desktop-class graphics to a laptop, but cables, bandwidth limits and extra costs can eat into the advantage.

Connecting a desktop graphics card to your laptop seems like a neat solution to one of the oldest problems in portable computing. Use the thin machine for work and travel, and connect to a much more powerful GPU when you get home. An external GPU (eGPU) can do just that, but all that extra graphics power still has to travel through Thunderbolt or USB4 instead of the direct internal connection used by a built-in laptop GPU. That bandwidth bottleneck can eat into the desktop card's advantage, and the cable it's connected to holds sway as well.

In this comparison, "onboard" primarily refers to a dedicated GPU built into the laptop, not the integrated graphics in the laptop's processor. Even when a laptop GPU shares its name with a desktop...

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This Sony Patent Would Add A Credit Card Reader To Your PlayStation Controller

New controller features could be beneficial in Sony's digital-only age Svitlana Kolycheva/Shutterstock Convenience is king in this day and age. Buying digital games already saves people a trip to the store. Now, a provisional patent that Sony filed in 2025, titled "Video game controller-driven information transfer,

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Google turned to AMD Epyc, not its own Axion chips, to secure its first confidential TPU

* Google's new TPU 8tx pairs TPU 8t silicon with 5th Gen AMD Epyc "Turin" hosts to deliver confidential AI inference * The AI juggernaut passed over its own Axion CPU, which hosts the 8t and 8i, likely because its audited confidential stack is x86-only for now * The

11 Gadgets Under $10 That Solve Everyday Problems

You don't have to spend much to fix little annoyances in everyday life. Savanevich Viktar/Shutterstock We may receive a commission on purchases made from links. Steve Jobs once said that customers don't know what they want until you show them. And he was right. But

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This Sony Patent Would Add A Credit Card Reader To Your PlayStation Controller

Let's confirm you are human

Google turned to AMD Epyc, not its own Axion chips, to secure its first confidential TPU

11 Gadgets Under $10 That Solve Everyday Problems