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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Sapphire Nitro+ Radeon RX 5700 XT review: Superfast and nearly flawless

The Sapphire Nitro+ Radeon RX 5700 XT is as close to perfection as a graphics card can get, bolstered by ingenious software tricks.

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XFX Radeon RX 5700 XT Thicc II Ultra review: A high-performance muscle car of a GPU

The XFX Radeon RX 5700 XT Thicc II Ultra is like a muscle car: High-performing, a little loud, extremely impressive, and in need of some slight tinkering for peak performance.

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AMD adds Radeon Image Sharpening to some Radeon RX 400- and 500-series graphics cards

The AMD Radeon Software Adrenalin 2019 Edition 19.9.2 drivers releasing today adds support for Radeon Image Sharpening to the Radeon RX 470, 480, 570, 580, and 590.

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LG OLED TVs get Nvidia G-Sync Compatible for smooth big-screen gaming

LG's latest OLED TVs are adding support for Nvidia's G-Sync Compatible technology via a firmware update, though you'll need a current GeForce graphics card to use it.

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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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The best 1440p graphics card for PC gaming

PCWorld graphics guru Brad Chacos explains the best graphics card you can buy for gaming at 1440p resolution.

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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.