GPU Testbed – Sandy Bridge-E, X79, Games

We decided that it was high time we replaced the somewhat-dated Nehalem-based infrastructure (even though honestly, it was fast enough) with something a bit more current.  Obviously, that meant going with the new Intel Sandy Bridge-E processor and X79 motherboard. By combining support for 40 PCI Express lanes and 3-4 full size GPU slots, it makes for the perfect GPU base.

Our reviews will based around the following system:

  • Intel Core i7-3960X CPU
  • ASUS P9X79 Pro motherboard
  • Corsair DDR3-1600 4 x 4GB Vengeance memory
  • 600GB Western Digital VelociRaptor HDD
  • 1200 watt Corsair Professional Series power supply
  • Windows 7 SP1 x64

NVIDIA GeForce GTX 660 2GB Review - Kepler GK106 at $229 - Graphics Cards 29

The ASUS P9X79 Pro

The Intel Core i7-3960X gives us the fastest consumer-level CPU on the market to help eliminate the possibility of any processor-based bottlenecks in our testing (whenever possible).  There are still going to be some games that could use more speed (Skyrim comes to mind) but for our purposes this is as good as you get without getting into any kind of overclocked settings.  The ASUS P9X79 Pro motherboard has enough space for three dual-slot graphics cards when the time comes for testing 3-Way SLI (and CrossFire), and 8 DIMM slots should we want to go up from our current setup of 16GB of Corsair Vengeance memory.  

I chose to stick with the 600GB VelociRaptor hard drive rather than an SSD as our total installation size with Windows 7 SP1 x64 and 6+ games was already hitting the 115GB range.  Finally the 1200 watt power supply from Corsair offers up more than enough juice for three power hungry graphics cards while running quietly enough to not throw off our noise testing drastically.

Speaking of noise, we are re-introducing our sound level testing thanks to the Extech 407738 Sound Level Meter capable of monitor decibel ratings as low as 20db.  This allows me to accurately tell you the noise levels generated by the graphics cards that make in-house at PC Perspective.

NVIDIA GeForce GTX 660 2GB Review - Kepler GK106 at $229 - Graphics Cards 30

Along with the new hardware configuration comes a host of new games.  For this review we will be using the following benchmarks and games for performance evaluation:

  • Battlefield 3
  • Elder Scrolls V: Skyrim
  • DiRT 3
  • Batman: Arkham City
  • Metro 2033
  • Deus Ex: Human Revolution
  • 3DMark11
  • Unigine Heaven v2.5

This collection of games is both current and takes into account several different genres as well – first person role playing, third person action, racing, first person shooting, etc.  3DMark11 and Unigine Heaven give us a way to see how the cards stack up in a more synthetic environment while the real-world gameplay testing provided by the six games completes the performance picture.

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GeForce GTX 660 2GB Reference Specs

For our review we have quite a few interesting comparisons to make.  First, our reference GTX 660 card will go up against the GTX 660 Ti to see how much performance you get out of that $70 increase in price.  From AMD, the new GK106 GPU will be pitted against the Radeon HD 7870 GHz Edition and the Radeon HD 7850. 

Our driver revisions for the AMD cards was Catalyst 12.8 and for NVIDIA a new GTX 660-ready beta of 306.23.

We will of course take a look at the two retail cards from EVGA and MSI to see how their overclocked settings affect the performance in gaming.

And finally, we'll wrap up with a comparison of the GeForce GTX 660 2GB to the GeForce 9800 GT 1GB, the GeForce GTX 460 1GB and the GeForce GTX 560 Ti 1GB.  It's a section of the review that users looking for upgrade information won't want to miss!

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