What is an accelerator card and how does it work along side a graphics card?

I only just finished building a gaming PC which has everything except an accelorator card. Is it worth buying? The asus one is going on for lb150.

What is an accelerator card and how does it work along side a graphics card?

It doesn't. They are one in the SAME. A graphics card isn't a short time ago a frame buffer(a data buffer that you write to that represent the current display). The Asus card uses an NVIDIA chip. This is also call a GPU(graphics processing unit). It's like a cpu except its designed for graphics processing. Without it the CPU would own to go through like mad of effort to render purely a single frame. Eventually that rendered image make it to the display. This is really efficient because it's get rendered and displayed on the same card. It's done through a really breakneck internal bus on the GPU chip.
With games, the memory and speed are both very imperative. Although it seems expensive, I would install it as games do bring a chunk of time and memory. Could it be worth shopping around for a cheaper one?
accelerator card =graphics card
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