Brad ChacosSenior Editor, PCWorld

Brad Chacos spends his days digging through desktop PCs and tweeting too much. He covers gaming and graphics for PCWorld, and spends his mornings running the news desk for PCWorld, Macworld, Greenbot, and TechHive.

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Reference vs. custom graphics cards: Which should you buy?

We break down the pros and cons of reference graphics card designs by AMD and Nvidia, and custom models created by their board partners.

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Acer unveils a hulking $14,000 gaming cockpit, a 300Hz Predator laptop, and more at IFA

Acer's Predator gaming lineup brought big guns to IFA 2019, with new Triton 300 and 500 laptops and the new triple-monitor Predator Thronos Air gaming "chair."

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Intel adds 'retro scaling' to Ice Lake CPUs to make pixel-art games look more crisp on modern displays

As promised, an Intel graphics patch has added support for integer scaling and nearest-neighbor interpolation to Ice Lake CPUs, under the 'retro scaling' branding.

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Ask a PC expert: Should you buy an unlocked K-series Intel CPU, or save money on a non-K chip?

PCWorld CPU guru breaks down what you get and what you don't when you pay extra for an unlocked K-series Intel processor.

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10 truly helpful Windows 10 tools you might not know about

Enthusiast-friendly power tools lurk in every corner of Windows 10. Let's shine a light on some of the more obscure ones.

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Ask a PC expert: Is it okay to buy a used CPU?

PCWorld processor guru Gordon Mah Ung digs into the contentious question: Is it okay to buy a used CPU? And if so, how do you do it as safely as possible?

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Ask a PC expert: Should you upgrade your Core i7-2600K?

PCWorld CPU guru Gordon Mah Ung explains who should and shouldn't upgrade their workhorse Intel Core i7-2600K processor, and which CPUs to replace it with.

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AMD RDNA graphics architecture whitepaper reveals the Radeon RX 5700's deepest secrets

AMD just released a whitepaper diving deep into the technical details of RDNA, the new graphics architecture that will power everything from Radeon GPUs to consoles and even mobile phones.

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Nvidia's GeForce Now adds real-time ray tracing and Android support as cloud gaming heats up

Nvidia's GeForce Now game-streaming service is adding key new features as it prepares for a full launch: real-time ray tracing and support for Android devices.

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Ask a PC expert: Why are there so many PC hardware launch supply problems?

PCWorld CPU guru Gordon Mah Ung explains why so many flagship PC hardware launches suffer from supply woes, then digs into whether or not you should preorder parts to avoid the headache.

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Real-time ray tracing is coming to Minecraft on Windows 10, and it looks stunning

Like Quake II before it, full-blown path tracing is coming to Minecraft with Nvidia's help.

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Pre-binned Ryzen 3000 CPU listings reveal the limits of AMD overclocking potential

Case King and Silicon Lottery are selling pre-binned Ryzen 3000 CPUs with guaranteed minimum overclocks, and they show how limited the headroom is for AMD's cutting-edge processors.

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Install Windows 10's August 2019 updates now to protect your PC from a nasty worm

Microsoft plugged four severe, wormable RDP exploits in Windows 10's August 2019 Patch Tuesday.

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Ask a PC expert: Is air cooling or liquid cooling better for your CPU?

PCWorld's CPU guru Gordon Mah Ung breaks down the pros, cons, and common misconceptions about air coolers and closed-loop liquid cooling.

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Minecraft's long-promised Super Duper Graphics Pack overhaul is dead

Two years after announcing Minecraft's Super Duper Graphics Pack overhaul, developer Mojang cancels the idea. Java Edition gamers can still use mods, though.