Sapphire HD6670 Ultimate, HD6750 & HD6770 Reviewgotdamojo06 -
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After you get the Sapphire HD6670 Ultimate out of the packaging, you are going to see that the card looks very different from other typical cards you are going to find. This is because of the cooling solution that is installed on Sapphire's Ultimate edition of the HD6670. Sapphire wanted the HD6670 Ultimate to be silent. The best way to do this would be to install a passive cooling soluiton on the card. There are little heat sinks installed on the voltage regulators on the board to help keep their temperatures low to ensure that they are not going to fail due to excessive amounts of heat. The HD6670 is going to come packed with features such as DirectX 11 support, Shader Model 5.0, OpenCL 1.1 and DirectCompute 11. All of these features are going to help you accelerate any of your applications that can use them to reduce your rendering times.
Looking at the type of connections you are going to get with the Sapphire HD6670 Ultimate, you are going to see that just about every type of display adapter is supported right out of the box. You have a DisplayPort, DVI, and HDMI output. With the included HDMI cable you could easily connect your PC to your TV and with the DVI to VESA dongle you can connect to an older monitor. The Sapphire HD6670 Ultimate does not support CrossFireX so there is no CrossFire connection at the top of the card. The HD6670 Ultimate also does not require any extra power from the PSU so there is no PCI-E power adapter at the back of the card. The card does however have a larger heat sink cooler installed on it as a passive cooling solution to ensure it is silent during operation. To keep the temperatures low, the heat sink wraps on to the other side of the card and there are little heat sinks installed on the voltage regulators.
Once you get the cooler taken off of the Sapphire HD6670 Ultimate, you are going to be able to see the entire layout of the card. The Turks GPU is going to come clocked in at 800 MHz and was manufactured on a 40nm process. The Hynix H5GQ2H24MRA T2C 110A memory modules installed on the card are rated to operate at 1.5V for both the VDD and VDDQ with a 32ms refresh rate. The modules are lead and halogen free, giving them the ROHS3 compliant certification. These chips are the first generation die.
The cooler that is installed on the Sapphire HD6670 Ultimate does not feature any active cooling solution, meaning it is completely silent. To achieve this, the heat sink needed to be much larger than what you would find on your typical graphics card. The base of the cooler has two heat pipes that have direct contact with the GPU Core and then travel up to the large fin array that is positioned above the graphics card. The bottom section of the heat sink is a large heat sink to help draw the heat off of the GPU.