Tag Archives: cuda

Engadget Primed: The crazy science of GPU compute

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Primed goes in-depth on the technobabble you hear on Engadget every day -- we dig deep into each topic's history and how it benefits our lives. You can follow the series here. Looking to suggest a piece of technology for us to break down? Drop us a line at primed *at* engadget *dawt* com.

Primed

As you're hopefully aware, this is a gadget blog. As a result, we're innately biased towards stuff that's new and preferably fandangled. More cores, more pixels, more lenses; just give it here and make us happy. The risk of this type of technological greed is that we don't make full use of what we already have, and nothing illustrates that better than the Graphics Processing Unit. Whether it sits in our desktops, laptops, tablets or phones, the GPU is cruelly limited by its history -- its long-established reputation as a dumb, muscular component that takes instructions from the main processor and translates them into pixels for us to gawp at.

But what if the GPUs in our devices had some buried genius -- abilities that, if only we could tap into them, would yield hyper-realistic experiences and better all-round performance from affordable hardware? Well, the thing is, this hidden potential actually exists. We've been covering it since at least 2008 and, even though it still hasn't generated enough fuss to become truly famous, the semiconductor industry is making more noise about it now than ever before.

So please, join us after the break as we endeavor to explain why the trend known as "GPU compute," aka "general purpose GPU (GPGPU)," or simply "not patronizing your graphics processor," is still exciting despite having let us down in the past. We'll try to show why it's worth learning a few related concepts and terms to help provide a glossary for future coverage; and why, on the whole, your graphics chip is less Hasselhoff and more Hoffman than you may have imagined.

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Engadget Primed: The crazy science of GPU compute originally appeared on Engadget on Mon, 20 Aug 2012 16:00:00 EDT. Please see our terms for use of feeds.

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NVIDIA GeForce GTX 660 Ti review roundup: impressive performance for around $300

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NVIDIA GeForce GTX 660 Ti review roundup impressive performance for around $300

No one's saying that $300 is "cheap," but compared to the GTX 670 and GTX 680 before it, the newly announced GeForce GTX 660 Ti is definitely in a more attainable category. The usual suspects have hashed out their reviews today, with the general consensus being one of satisfaction. A gamechanger in the space it's not, but this Kepler-based GPU managed to go toe-to-toe with similarly priced Radeon GPUs while being relatively power efficient in the process. That said, AnandTech was quick to point out that unlike Kepler reviews in the past, the 660 Ti wasn't able to simply blow away the competition; it found the card to perform around 10 to 15 percent faster than the 7870 from AMD, while the 7950 was putting out roughly the same amount of performance as the card on today's test bench. HotHardware mentioned that NVIDIA does indeed have another winner on its hands, noting that it'd be tough to do better right now for three Benjamins. Per usual, there's plenty of further reading available in the links below for those seriously considering the upgrade.

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NVIDIA GeForce GTX 660 Ti review roundup: impressive performance for around $300 originally appeared on Engadget on Thu, 16 Aug 2012 13:44:00 EDT. Please see our terms for use of feeds.

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NVIDIA announces $299 GeForce GTX 660 Ti, lets Kepler walk among the people

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NVIDIA announces $299 GeForce GTX 660 Ti, lets Kepler walk among the people

It's taken NVIDIA a mighty long time to squeeze its Kepler GPU into something more affordable than the GTX 670, but it's finally happened -- the mid-range GTX 660 Ti is out and available to purchase for $299 on boards from EVGA, Gigabyte, ASUS and the usual suspects. Some buyers may complain that's $50 more than the 560 Ti, while others will no doubt be reeling off their CVV codes already. For its part, NVIDIA claims the 660 Ti is the "best card per watt ever made" and that it beats even AMD's higher-priced Radeon HD 7950 at 1920 x 1080. Check out the slide deck below for official stats, as well as for examples of what the card can do with its support for DirectX 11 tessellation, PhysX (particularly on Borderlands 2, which you may well find bundled free) and NVIDIA's TXAA anti-aliasing.

We'll wait for independent benchmarks in our review round-up before making any judgment, but in the meantime it's fair to say that this 150-watt card comes fully featured. For a start, it has just as many 28nm CUDA cores as the GTX 670, the same base and GPU Boost clock speeds, the same 2GB of GDDR5 and indeed the same connectivity. The only sacrifice is memory bandwidth: all that computational performance is limited by a 192-bit memory bus, compared to the 256-bit width of the 670. Judging from those specs, we'd expect it to be almost 670-like in performance, and that's going to be pretty impressive.

Gallery: NVIDIA GeForce GTX 660 Ti official slides

Continue reading NVIDIA announces $299 GeForce GTX 660 Ti, lets Kepler walk among the people

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NVIDIA announces $299 GeForce GTX 660 Ti, lets Kepler walk among the people originally appeared on Engadget on Thu, 16 Aug 2012 09:00:00 EDT. Please see our terms for use of feeds.

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NVIDIA GeForce GTX 690 is the new World’s fastest Consumer Graphics Card

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NVIDIA today announced the NVIDIA GeForce GTX 690, the world's fastest consumer graphics card (see Test details below). Powered by dual Kepler architecture-based GeForce GPUs, the GTX 690 and...

NVIDIA unleashes GeForce GTX 690 graphics card, loads it with dual Kepler GPUs, charges $1k

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ImageWould you look at that? NVIDIA hinted it would be coming today, and it looks like the tease is living up to the hype. The company stormed into the weekend at its Shanghai Game Festival by unleashing its latest offering, the GeForce GTX 690 -- and oh yeah, it's packing two 28nm Kepler GPUs! Trumping the recently released GTX 680 as the "worlds fastest graphics card," it's loaded with a whopping 3,072 Cuda cores. The outer frame is made from trivalent chromium-plated aluminum, while you'll find thixomolded magnesium alloy around the fan for vibration reduction and added cooling. Aiding in cooling even further, the unit also sports a dual vapor chamber and center-mounted fan. It'll cost you a spendy $1,000 to pick up one of these puppies come May 3rd, and you'll likely be tempted to double up -- two can run together in SLI as an effective quad-core card. With that said, NVIDIA claims that a single 690 runs 4dB quieter and handles about twice the framerate as a duo of GTX 680s in SLI -- impressive, but we'll reserve judgement until we see it for ourselves. Check out the press release after the break if you'd like more information in the meantime (...and yes, it runs Crysis -- 2 Ultra to be exact -- at 57.8fps, according to NVIDIA).

[Thanks to everyone who sent this in]

Continue reading NVIDIA unleashes GeForce GTX 690 graphics card, loads it with dual Kepler GPUs, charges $1k

NVIDIA unleashes GeForce GTX 690 graphics card, loads it with dual Kepler GPUs, charges $1k originally appeared on Engadget on Sun, 29 Apr 2012 00:57:00 EDT. Please see our terms for use of feeds.

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