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AMD Radeon HD 7870 2GB Reference Video Card Review - The Card and Specifications

We look at the big brother to the new AMD Radeon HD 7800 series, the HD 7870, and see if it can impress like the smaller HD 7850.

| AMD Radeon GPU in Video Cards | Posted: Mar 5, 2012 5:02 am
TweakTown Rating: 96%      Manufacturer: AMD

The Card

 

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Looking at the card there's nothing that we haven't seen before when it comes to the overall fan design. The only stand out here is the sticker on the card that labels it as a "GHz Edition" which is kind of a giveaway to the core clock today. Before we take a closer look at the specifications of the card, though, let's just quickly move around it.

 

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On the power side of things you can see our PCIe power connectors are doubled compared to the HD 7850 with two 6-pin PCIe connectors included here. Closer to the front you can see we've got the same single CrossFire connector that's seen on the HD 7850.

 

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On the connectivity front we've got the same setup that we've seen on the HD 7700 series and up. That means a Dual-Link DVI connector on the right followed with a HDMI port and two MiniDP connectors.

 

 

Specifications

 

Like the other HD 7000 series the HD 7870 is based on the same 28nm GPU technology. On the Stream processor front we've got 1280 here compared to 1024 on the HD 7850. Texture Units are also increased from 64 to 80 here while ROPs stays the same at 32.

 

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As the "GHz Edition" labeling on the card tells us the core comes in clocked at the same 1000MHz number that we've seen on the HD 7770 with some companies offering us as high as 1150MHz out of the box. As for the 2GB of GDDR5, that sits on the same 256-bit memory bus and carries the same clock as the HD 7850 which is 4800MHz QDR.

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