#Download his iturbo full#
Looking elsewhere, along the top of the card we find a black metal stiffener, which in the absence of the reference 7870’s full shroud provides structural stability to the card. The cooler itself is no larger than the card, which means the card’s length is the same as the 7870 PCB at 9.5”. Meanwhile airflow over the heatsink is provided by a 92mm fan near the center of the card, which is a bit bigger of a fan than the 80mm fans we typically see on open air coolers. For the PCS+ heat dissipation is provided by an aluminum heatsink that runs nearly the entire length of the card, which in turn is attached to the GPU through the use of an aluminum baseplate and 3 aluminum heatpipes that provide contact with the GPU. PowerColor’s cooler of choice for the PCS+ HD7870 is a new design for the company, and is effectively a minor variation on the open air coolers we commonly see on sub-200W cards such as the 7870. In terms of construction the PCS+ is a semi-custom card, meaning PowerColor is using their own cooler in conjunction with AMD’s PCB. In large part due to the fact that AMD’s Pitcairn GPU overclocks so well on stock voltage, PowerColor isn’t doing any kind of voltage adjustment here, so the PCS+ operates at the same 1.219v as a reference 7870. PowerColor has clocked the card at 1100MHz core and 4.9GHz memory, which is a 100MHz (10%) core overclock and a far less significant 100MHz (2%) memory overclock over the reference 7870. As indicated by the PCS+ moniker, this 7870 is a factory overclocked card using a custom cooling solution.
The PCS+ HD7870 is PowerColor’s high end 7870, and the only semi-custom card the company is making. Starting first with the PowerColor card, we have the PCS+ HD7870. How do these retail cards stack up compared to our reference 7870, and what kind of impact do their factory overclocks bring? Let’s find out. To that end HIS and PowerColor have sent over their top 7870 cards, the HIS 7870 IceQ Turbo and the PowerColor PCS+ HD7870.
#Download his iturbo series#
Because AMD’s partners have largely passed on AMD’s reference design for the 7870 series we wanted to take a look at what the actual retail cards would be like with almost everyone using a custom cooler and many partners using factory overclocks, there’s a great deal of variation between cards. Those two weeks have now come and gone, and the 7800 series has finally been released for sale. Unfortunately because of this early unveiling you couldn’t buy one at the time. The result was a pair of impressive – if expensive – cards that cemented AMD’s control of the high-end video card market. Composed of the Radeon HD 7870 GHz Edition and Radeon HD 7850, AMD broke from their earlier protocol with the 77 series and unveiled the cards ahead of their actual launch in order to beat CeBIT and GDC. Two weeks ago AMD officially unveiled the Radeon HD 7800 series.
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