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HIS iCooler Turbo HD 7790 reviewed

by on17 May 2013


The full name of the card is HIS 7790 iCooler Turbo 1GB GDDR5 PCI-E DP /2xDVI /HDMI (Part No.: H779FT1GD). The iCooler comes with a single 75mm fan and is two slots high.

The iCooler comes with a plastic frame which is not much to look at and it doesn’t feel as special as the aluminum frame used by XFX Black DD R7790. However, the frame is tough and we did not find any instability or vibrations. The blue fan comes as refreshing detail here. Due to the open design some hot air will exhaust into the case. Therefore a good air circulation inside the computer case is needed.


The plastic frame of the cooler is longer that the PCB, resulting in an overall length of 22.4cm (8.8"). It is easy to see that the plastic frame is longer than the PCB.


The HD 7790 requires a single 6-pin power connector. The power connector is hidden behind the plastic shroud, but plugging a power cable into it is relatively straightforward.


Taking the cooler off requires removing only four screws but it voids the warranty, so we suggest you just leave it alone. The cooler uses a copper plate which is connected to the circular heatsink, measuring 11cm long, 9cm wide and 3cm tall. The memory is cooled by airflow alone.


HIS used four GDDR5 chips (256MB each) made by Hynix (model number H5GQ2H24AFR R0C). These chips are specified to run at 1500 MHz (6000 MHz GDDR5 effective), but HIS factory overclocked them to 6400MHz.

A five-phase design (four GPU and one memory) is used for power delivery and a tall aluminum heatsink sits on top of the MOSFETs to provide additional cooling.


The HD 7790 iCooler Turbo card has two dual-link DVI outs (one SL-DVI and one DL-DVI), one standard HDMI 1.4a and one standard DisplayPort 1.2 out. You may combine this card with another HD 7790 card from any vendor in a CrossFire configuration. The CrossFire connector is included in the package.


Last modified on 17 May 2013
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