Volari 8300 product review, source copied and translated from Yesky.com, China’s leading IT online media. Original article http://myhard.yesky.com/vga/456/2194456.shtml?287
What’s your favorite? The First Look of XGI Volari 8300
Page one: XGI Volari 8300: I’m not made for Gaming
A few days ago, we were the first to expose XGI’s latest graphics solution, the XGI Volari 8300, with our article “XGI Volari 8300 graphics card – worldwide exclusive first coverage". For those who ave read the article must be eager to find out what this solution has to offer, now, we’ll be the first in the nation to examine this card for all you enthusiasts out there. But first before we begin, let me educate you hardcore users out there, that the XGI Volari 8300 is not designed specially for 3D processing, so please don't expect a powerful performance on this aspect. So, apart from 3D power, what else does this product has to offer to our users?
As you can see from the figure shown above, the Volari 8300 is not just about 3D Performance, it also includes other technology such as, eXtreme Cache™, TureVideo™, low power consumption, etc. eXteme Cache and TrueVideo are the most innovative new features among them all, and we will explore them in detail in our upcoming tests.
eXtreme Cache™ ArchitectureSimply by looking at the term “eXtreme Cache” you’ll figure out that this is something similar to nVIDIA Turbo Cache technology, which utilizes the high-speed PCI-E bus to transfer the system and graphics memory, by sharing the system memory to support for graphics processing. This architecture serves the purpose to save manufacturing cost of the graphics card without too much sacrifice in performance. The following shows the concept of the eXtreme Cache architecture.
The diagram above demonstrates the principle behind eXtreme Cache being:
A section of the System Memory is reserved to serve as a Shared Memory for graphics processing
Which means, the total memory available for graphics processing is: memory on the graphics card + shared system memory. In conclusion, graphics card vendors can then lower manufacturing costs by reducing the amount of expensive graphics memory on the graphics card.
The eXtreme Cache Architecture is also included with a “Dynamic Memory Allocation” mechanism. It is used to reduce idled system memory that is occupied through the eXtreme Cache architecture when users are not running 3D applications. The Dynamic Memory Allocation mechanism works in a “if > else” branch command:
if (2D Program is running)
Low Memory;
else
if (3D Program is runing)
High Memory;
When the users are not running 3D applications, the eXtreme Cache technology will adjust Shared Memory to the minimum, by releasing extra system memory reserved for 3D processing. It is believed that utilizing this technique will vastly improve the graphics performance when users are running applications such as Photoshop,etc, that required more memory resources.
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