We reviewed the reference AMD HD7970 flagship card in December last year and we were suitably impressed. A few weeks later XFX sent us their XFX R7970 Double Dissipation graphics card which featured a custom cooling solution. Today we look at the latest version of the card from partner VTX3D – The ‘HD7970 X Edition’ is the first HD7970 we have reviewed which features not only a modified cooler, but overclocked core clock and memory speeds. Is this good enough to get the Kitguru seal of approval?
It would be fair to say that VTX3D are a little known player in the graphics sector, although they are trying hard to raise their profile with the enthusiast gamer. They are a division of Tul Corporation, who also manage the more widely known PowerColor series of hardware.
VTX3D are a subsection of Tul Corporation who focus on achieving the lowest possible price points. For instance, their last generation dual GPU HD6990 was priced at £515 inc vat on Amazon, when others were £599 inc vat.
VTX3D know they have a lot to prove in the enthusiast sector, so are they any good when it comes to batting head to head against the big boys, such as Sapphire and XFX ?
The X Edition card we are reviewing today certainly ticks all the right boxes on paper. It ships with a custom cooler, dual fans and significant out of the box clock speeds.
|Product||VTX3D X Edition AMD HD7970
||AMD HD7950||AMD HD7870||AMD HD7850|
|Core Clock speed||925mhz (1050mhz)||800mhz||1000mhz||860mhz|
|Transistors||4.31 billion||4.31 billion||2.8 billion||2.8 billion|
|Compute Performance||3.79 TFLOPS||2.87 TFLOPS||2.56 TFLOPS||1.76 TFLOPS|
|Texture Fillrate||118.4 GT/s||89.6 GT/s||80 GT/s||55.0 GT/s|
|Pixel Fillrate||29.6 GP/s||25.6 GP/s||32.0 GP/s||27.52 GP/s|
|Memory Type||3GB GDDR5||3GB GDDR5||2GB GDDR5||2GB GDDR5|
|Memory Clock||1,375mhz (1,425mhz)||1,250mhz||1,200mhz||1,200mhz|
|Memory Data Rate||5.5 GBps (5.7Gbps)||5.0 Gbps||4.8 Gbps||4.8 Gbps|
|Memory Bandwidth||264 GB/s||240 GB/s||153.6 GB/s||153.6 GB/s|
Above, we can see how the VTX3D Radeon HD7970 X Edition slots into the marketplace (clock speeds marked in bold). The core clock speed is increased from 925mhz to a whopping 1,050mhz out of the box, and the 3GB of GDDR5 memory receives a tweak from 1,375 mhz (5.5 Gbps) to 1,425 mhz (5.7Gbps).