The Sapphire Radeon HD 7770 gigahertz addition this also features the vapor-x patented cooling technology that sapphire puts on their higher in cards. This is the over clocked addition so we do get the higher core clock of 1150 MHz. This is the next generation radeon so it is based on their new 28 nm GCN architecture.
It comes with 640 stream processors and comes with 1GB on board GDDR5 memory at 5000 MHz effective speed.
At the top of the card we got dual fan vapor-x cooling solution. For ports we get two DVI port, a DP port, and an HDMI port.
This card is powered by a single 6-pin PCIe connection. As this is a next generation radeon we get the AMD technologies such as ifinity 2. This is PCI Express 3.0, we get 3D HDMI support with the AMD HD 3D technology, and this is crossfire compatible. Power supply required by this card is 500 W.
By purchasing this card you will get 3 years warranty covering manufacturing defects.
With this card you can almost play any games at 1080p like:
Far cry 3
Need for speed
and many more