AMD and Nvidia use these things in their own labs during the bring-up process. The interposer card in the image below drops into a PCI Express x16 slot, and accommodates an MXM module. However, we have a bit of hardware in the lab that should allow us to draw a comparison between AMD's next-generation mobile line-up and the one it replaces. You'd think that would make it hard to benchmark the Radeon HD 8790M. In fact, the company hasn't even started announcing OEM design wins yet.
While we would have loved to start by taking a look at one of AMD's Radeon HD 8800M GPUs, the Radeon HD 8790M is its first mainstream GCN-based graphics processor ready for testing.
Previewing GCN For The Mainstream: Radeon HD 8790M, Benchmarked Conversely, the Radeon HD 8800Ms, armed with Venus, are expected to include VCE functionality to speed up video encoding and decoding in hardware. For example, the Mars-based Radeon HD 8790M we're previewing does not include support for the company's Video Codec Engine (VCE). Venus is one component, while Mars is divided into three families, all equipped with 384 Stream processors, but operating at different clock rates.ĪMD does plan to turn features on and off to differentiate its new GPUs, too. If you've heard rumors about the Venus and Mars parts, and thought they had something to do with the desktop, then you'll be surprised to learn that those are the code names for two mobile GPUs. AMD plans to fix this in Q2, when 7800M- and 7900M-series replacements get the entire portfolio into the Radeon HD 8000M family. Up to 1125 MHz (GDDR)Up to 1000 MHz (DDR3)Īs you can see, the Radeon HD 8000Ms actually slot in underneath AMD's Radeon HD 7800M-series in the Q1 product line-up.
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