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Sapphire Radeon HD 6870 1GB Video Card Overclocked (Page 2)

By Shawn Baker from Oct 25, 2010 @ 12:19 CDT
TweakTown Rating: 93%Manufacturer: Sapphire

The Card

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Looking at the card, you're not going to see anything you didn't see already with the reference AMD one we looked at, except for a sticker that Sapphire has opted for. Across the top we've got the two 6-Pin PCI-E power connectors along with a single Crossfire connector.

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Connectivity is in the form of a Dual-Link DVI, Single-Link DVI, HDMI and two 1.2 Mini DP connectors. It's great to see that Sapphire has included a mini DP to DP connector so you can use that option straight away if you've got a monitor that supports the connector.

Specifications

Out of the box the Sapphire HD 6870 1GB carries the reference clocks that we saw on the AMD model. That's a 900MHz core and a 4200MHz QDR memory clock. That's a bit boring, though, so let's see what we can do with TRIXX when increasing the voltage to 1.299v.

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We managed to get the core up to 1035MHz which is over 100MHz from the stock speed. As for the memory, we pushed that 100MHz or 400MHz QDR which equates to a total speed of 4600MHz QDR; a really nice overclock.

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