![]() ![]() What you do need to worry about, however, is raw rendering horse power and below is everything you need to know to judge a chip's performance.īroadly speaking, it's the texture and render output units (ROPs) that define the number of pixels a graphics chip can spit out every cycle. Whether it's pixel, vertex and geometry shaders, or support for high quality anti-aliasing and high-dynamic-range lighting, they're present in all DX10 GPUs. There's no need to compromise on DirectX support. ![]() The DX10 API is now well established and fully compliant cards are extremely affordable. With the launch of Windows Vista, Microsoft introduced the 10th iteration of its DirectX graphics API. ![]() This is the biggy, 3D rendering is the graphics card's raison d'etre. That's how graphics cards got to where they are today. They also support 2D video decode acceleration for modern HD video codecs like H.264 and VC-1, as used on Blu-ray movie disks. Finally, the very latest development in graphics technology is support for multiple cards sharing the rendering load.īut today's GPU's don't just pack painfully powerful 3D pixel pumping engines. Current cards also sport huge memory buffers as big as 1GB, enabling them to drive extremely high-resolution displays, and are backed up by massive bus bandwidth thanks to the PCI Express interface in its latest 2.0 format. ![]()
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