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Win a PowerColor Devil 13 HD 7990 GPU!

7990

The entry period for this giveaway is now closed

If there’s one thing readers of Maximum PC can appreciate, it’s a ludicrously sized GPU like the PowerColor Devil 13 HD 7990. This unholy video card combines the power of two Radeon HD 7970 GPUs along with 6GB of RAM into a massive, power-sucking, case-hogging, and benchmark flogging masterpiece. Notable features include one-touch overclocking, a triple-fan cooling solution that takes up three slots inside your PC, and a custom assortment of tools from legendary tool-maker Wiha. It should also be noted that this video card is so muscle-bound that it comes with its own support stand, for Pete’s sake. 

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MSI GTX 660 Twin Frozr OC Edition Review

Twin Frozr

MSI GTX 660 Twin Frozr OC Edition

MSI’s GTX 660 is an all-around great card that includes a healthy dollop of overclocking and a side of Frozr to keep it cool. Its base clock speed is a decent 53MHz over stock at 1,033Mhz, and when running at full load we saw its boost clock speed rise 130MHz over stock to 1,110MHz, which is also higher than the stock boost-clock spec. The Twin Frozr III cooler sports three copper heat pipes, aluminum fins, and dual 8cm fans housed in a metal-alloy shroud to direct the airflow. Like the other GTX 660 cards, it uses just a single 6-pin power connector, but unlike the others it sports an extra-long 9-inch PCB (Gigabyte’s board is just 7.5 inches but the cooler is actually 9 inches long).

 

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Gigabyte GTX 660 OC Version Review

Gigabyte GTX 660 OC Version

Gigabyte GTX 660 OC Version

Gigabyte’s GTX 660 is similar to MSI’s board in that it’s overclocked and has a cooler with a silly name—Windforce. The board is clocked at the same base and boost clock speeds as the MSI card, too, running at 1,033MHz and 1,098MHz, respectively. The cooler features four copper heat pipes, aluminum fins, and two large 10cm fans breathing down on the whole shebang. Even though the board sports a smallish 7.5-inch PCB, the cooling apparatus is so large that it’s 2-inches longer than the PCB and extends the length of the card to 9.5 inches. With a cooler this large you expect it to perform quite well, and it does. It kept the card absolutely silent even when the board was being tortured in the Lab, and allowed it to run at a moderately cool 63 C under full load.

 

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XFX Radeon HD 7850 Black Edition Review

Outsized performance from a midrange card

The $250 price point is where the hardcore and the serious gamer part ways. It’s not that hardcore gamers aren’t serious—it’s that they sometimes lose perspective, willing to throw vast, silly sums of money at shiny high-end GPUs. Serious gamers know that a good $250 graphics card will buy you high frame rates on standard, 1080p displays without requiring a second mortgage.

XFX’s “Ghost” fan shrouds are easy on the eyes, but they don’t vary much from card to card

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Asus GeForce GTX 670 DirectCU II TOP Review

More power than a stock GTX 680

Every GPU generation has its flagship videocards: the ones with the top-of-the-line GPU with all cores enabled, loaded for bear. In this generation, those cards are Nvidia’s GTX 680 (with a full GK104 GPU inside) and AMD’s Radeon HD 7970 (with a full Tahiti GPU). These cards are monstrously fast, but they’re also expensive and tricky to manufacture. Not all parts come off the line fully functional. So a few months after each flagship GPU launch, the vendors come out with a slightly stripped-down version that uses binned top-end GPUs with a few parts disabled, or lower clock speeds. AMD’s Radeon HD 7950, for example, uses the same GPU as the 7970, but with 28 GCN units instead of 32, and with an 800MHz reference clock instead of 925MHz. The cheaper, lower-powered video cards appeal both to gamers with shallower pockets and also to vendors, who clock those stripped-down, less expensive GPUs right back up to within spitting distance of their full-powered peers. Thus we arrive at the Asus GeForce GTX 670 DirectCU II TOP, a factory-overclocked GTX 670 with a custom cooling solution.

The DirectCU II cooler’s three direct-contact heat pipes keep the GPU cool.