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XFX R7790 Black Edition Overclocked Review

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XFX R7790 Black Edition Overclocked Conclusion:

Over the past few years XFX's Black Edition cards have been proven to deliver excellent performance and longevity based on the design characteristics built into the brand. To start with XFX uses GPU Edging to bin the cores so that they go over not only the factory overclock but have some additional headroom built in for the enthusiast or gamer looking for a bit more FPS from the card. This ensures that the end user that chooses the Black Edition card gets that extra bit of performance. To that end I was able to squeeze another 175MHz out of the core and another 100MHz out of the 1GB of GDDR5 memory for final as tested clock speeds of 1251MHz on the Bonaire core and 1700MHz from the Hynix GDDR5. The increased clock speed offered measurable improvements in performance throughout the entire test suite.

XFX uses its Duratec suite on the Black Edition cards that include solid capacitors and dust free fans on the Double Dissipation cooling solution. The Double Dissipation cooling solution with Ghost thermal technology is part of the package. The dust proof fans improve longevity by using multiple seal points to hinder dust intrusion into the motor windings. The shroud is open to promote additional cooling to the memory and board components. A dual heat pipe-equipped heat sink is used to channel the thermal load from the Bonaire core to the aluminum fin array. When compared to the solution used on the comparison card I feel the smaller heat pipes are the difference in the cooling performance when clocked similarly. Even so the margin while overclocked is a scant two degrees. Fan noise is non existent with the card managing the fan profile when sealed up in the chassis. It does become audible when manually ramping up the fan speed but is far from being obnoxiously loud. Comparing power consumption results shows that XFX has a little more work to do to get the power consumption down in line with comparable HD 7790 models.

The R7790 is not built to be a high resolution gaming power house but a good solid performer at the $150 price point. At 1920x1080 resolutions you get playable frame rates in almost all of the games tested with Metro 2033 the lone game under 30 FPS. The idea here is to offer enough performance to get the job done while keeping the price point attractive. As a competitor for the GTX 650Ti, the XFX R7790 Black Edition leads the GTX 650Ti in every test save one where the margin of performance is within a single FPS.

As far as game performance goes the R7790 will deliver fluid gaming performance at high settings. By loosening up the settings you can improve the FPS delivered at the cost of visual quality. If you need more FPS performance a second R7790 can be added to the mix in a Crossfire configuration, but you get to the point of diminishing returns and scaling concerns at a $300 price point where a higher rated card would be the better solution.

XFX has included this card in AMD's Never Settle Bundle promotion offering up a full game key code for BioShock Infinite as an added value at the suggested ~$150 price point. When you get down to it XFX is offering a video card in the R7790 Black Edition that can play the latest games at high settings at 1080p resolutions. This card runs cool thanks to the Double Dissipation cooling and lives up to the Black Edition moniker with some serious overclocking potential.



  • Overclocking
  • Double Dissipation Cooling
  • Good looks
  • Gaming on High settings
  • Factory overclocked
  • Bioshock Infinite
  • Black Edition feature set
  • Custom PCB



  • Power Consumption


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