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Pushing a 28-core CPU to its limits: 6GHz and beyond
I'm mesmerized by the way liquid-nitrogen vapor flows across the motherboard. There's something oddly therapeutic about extreme overclocking, especially when the cold air gently touches my skin, making even the tiniest bumps in clock speed the more worthwhile. There's probably no better place to see it in action than Taipei's Computex, where gaming PC memory maker G.Skill gathers the world's best overclockers for its OC World Cup event (with a $10,000 top cash prize). Our previous attempt to tame the 18-core Intel Core i9-7980XE was already rather ambitious, but this year, we decided to go all the way with the massive 28-core, 255W Intel Xeon W-3175X, a rare CPU gem that costs at least $3,000 -- if you can even find one. Our goal was to break the chip's records at the time: pushing it from its 3.1GHz base frequency to beyond 5.68GHz on Cinebench R15, or at least beyond 6.5GHz via the more lightweight CPU-Z validation. With this many cores, it posed a much bigger cooling challenge to run at higher speeds, especially compared to the quad-core i7-7700K I tinkered with the year before.
I tried to beat an overclocking robot and failed
Extreme overclocking is hard. I had my first taste of this delicate hobby at last year's Computex, in which, with a lot of back and forth between pouring liquid nitrogen and torching, I managed to push Intel's 4.2GHz Core i7-7700K processor to an epic 7GHz. Still, I had it easy. Professional overclockers from G.SKILL and HWBOT had set everything up in the first place. Even the pros can find this all a little mundane. EVGA's Vince "Kingpin" Lucido and Illya "Tin" Tsemenko are well-known for their GPU-overclocking records over the years, but they, too, grew tired of the tedious "monkey work," to the point where they decided to build a rig that could overclock itself. The result is the Roboclocker, a PC that can intelligently and efficiently pump liquid nitrogen to both its CPU and GPU. While this may not be the first automatic liquid-nitrogen-overclocking rig, it's the first of its kind to actually break records.
Overclocking to 7GHz takes more than just liquid nitrogen
Over the years, I've been fascinated by two kinds of events at Computex: esports and extreme-PC-overclocking competitions. I doubt I'd ever make it as a professional gamer (I'm more of a Counter Fight kind of guy than a Counter-Strike man these days), but I'd jump at any opportunity to pour liquid nitrogen onto a PC motherboard, because even if I screw something up, chances are I'd still look cool doing so. It just so happened that at this year's Computex, gaming-accessory maker G.SKILL invited me to its extreme-overclocking workshop behind its contest stage. As a total newbie with absolutely zero knowledge of overclocking, I quickly took up this offer.
Quad-channel DDR3 memory corralled in round-up, Corsair, G.Skill and Patriot take home the trophies
If you've wanted to build an X79-based gaming PC but were fretting over getting the most out of the quad-channel DDR3 memory you'll want to pair with that Ivy Bridge processor, don't fret: HotHardware has gathered together some of the most common high-speed RAM options and put them to the test. The results aren't clear cut and depend heavily on what you're looking for. Corsair's 1,866MHz Vengeance kit and a similarly clocked G.Skill RipJaws Z set are recommended for striking good balances between low lag and raw speed, while Patriot's Viper X Division 4 is lauded for having the best value and the best stock cooling. That's not to say that Kingston's HyperX line isn't worth it for some speed demons, but the testers suggest hitting the middle of the road to get a good trade-off between speed and the cash outlay you'll need to get there.
