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Sapphire Radeon HD 7950 3GB OC Video Card in CrossFire - The Card and Specifications

With a pair of dual fan OC Radeon HD 7950's from Sapphire, we find out how CrossFire performance goes on the new model.

| AMD CrossFire Articles in Video Cards | Posted: Jan 1, 1970 12:00 am
TweakTown Rating: 95%      Manufacturer: Sapphire

The Card

 

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Checking out the card we can see the dual fan setup with a really aggressively shaped shroud over the top, which looks great. You can see the heatsink between the fans and a number of copper heatpipes across the bottom. Taking a spin around the card we can see two 6-Pin PCIe power connectors up the back as you'd expect while closer to the front we have two CrossFire connectors and the dual BIOS switch.

 

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The I/O side of things houses a Dual-Link DVI connector, HDMI connector and two mini DisplayPort connectors. Across the top we've got a typical vent setup, but with this kind of fan setup, it isn't as useful, as the air isn't pushed just outside the case.

 

 

Specifications

 

As we mentioned in the introduction we're dealing with an OC video card today and looking below you can see that Sapphire has chosen to bump the core from 800MHz to 900MHz. Unfortunately they didn't do anything with the 3GB of GDDR5 which carries the default 5000MHz QDR clock.

 

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Before we move onto the testbed, though, we want to make sure that CrossFire is up and running and as you can see at the bottom of the image, it is enabled via 2 GPUs. Of course the best way to make sure it's working is to fire up 3DMark 11, which we'll do in just a moment.

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