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#ActualTispe

Posted 23 November 2012 - 08:43 AM

The CPU is often a chip on the motherboard under a huge heatsink. The GPU is a chip (also under a heatsink) on an expansion card sitting on a PCI-e, AGP or PCI slot on the motherboard.

The CPU is where everything runs, windows etc. All programs also runs on the CPU. The GPU is an "extension" to the CPU. The GPU and CPU communicate using a bus, most often the PCIe bus. The CPU has its system memory and the GPU has its device memory.

The GPU is optimized for doing many calculations using floats. For this reason data is sent to the GPU memory to do a huge number of float operations. The bonus is that the video input to your monitor is hooked up to the GPU memory such that you can generate animation in real time on the GPU without tranferring the result back to system memory.

The GPU and CPU can do most of the same math operations, but the GPU is optimized for floats.

#1Tispe

Posted 23 November 2012 - 08:39 AM

The CPU is often a chip on the motherboard under a huge heatsink. The GPU is a chip (also under a heatsink) on an expansion card sitting on a PCI-e, AGP or PCI slot on the motherboard.

The CPU is where everything runs, windows etc. All programs also runs on the CPU. The GPU is an "extension" to the CPU. The GPU and CPU communicate using a bus, most often the PCIe bus. The CPU has its system memory and the GPU has its device memory.

The GPU is optimized for doing many calculations using floats. For this reason data is sent to the GPU memory to do a huge number of float operations. The bonus is that the video output to your monitor is hooked up to the GPU memory such that you can generate animation in real time on the GPU without tranferring the result back to system memory.

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