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Sapphire HD 5870 2GB Toxic Edition Review

by Michael "SKYMTL" Hoenig     |     April 4, 2010

A Look at the ATI 5000-series



As you can probably tell by the chart above, all of the HD 5000-series fit perfectly into ATIís current lineup. At the top of the heap we have the ultra high performance dual GPU HD 5970 which carries most of the same specifications as a pair of HD 5870s. There are however some sacrifices that had that had to be made in the clock speed department in order to keep power consumption within reasonable levels. So, while this card has the same number of texture units and stream processors as the HD 5870, its core and memory run at speeds identical to the HD 5850.

Judging from paper specifications alone, the HD 5870 is a technological marvel considering it packs all of the rendering potential of ATIís past flagship card and then some while not being saddled by an inefficient dual processor design. The fact that this new card could trump the performance of a HD 4890 just a few months after that cardís release is nothing short of stunning.


The HD 5850 on the other hand looks to be the purebred price / performance leader of the new ATI lineup. Barring slightly lower clock speeds for both the core and memory along with eight disabled texture units (totalling 160 stream processors), it is basically a clone of the HD 5870. This is the card ATI hopes will compete directly with the GTX 285 for the near future and then come into its own when DX11 games make their way into the market. We believe this card will appeal to the majority of early adopters since it allows them to buy class-leading DX9 and DX10 performance now without gambling $400 on unproven DX11 potential.

The HD 5830 was also recently released and while it didn't quite live up to expectations, it does bridge the gap between the HD 5850 and the HD 5770.


Meanwhile, we now have the HD 5700-series of code-named Juniper cards as well with the HD 5770 and HD 5750. The HD 5770 1GB is one of the first sub-$200 cards which will come stock with 1GB of memory and along with the GDDR5 memory, comes with some hefty clock speeds as well. However, even though upon first glance the HD 5770 looks like it can compete with the HD 4890, this isnít the case. According to ATI, the 128-bit memory interface will limit this cardís performance so it lies right within its stated price range.

The HD 5750 on the other hand is simply a cut down HD 5770 with lower clocks, less SPs and a cut down number of Texture Units. It is this card that ATI sees going head to head with the NVIDIA GTS 250 and 9800 GT. It uses GDDR5 memory but there will be both 512MB and 1GB versions released to cater to the $100 market along with those looking for a little jump in performance.
 
 
 

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