So yeah you could increase the amount of memory reserved for your integrated graphics, but it wouldn't really help speed things up because it's being bottlenecked by the memory bandwidth, not the amount of memory. DDR3 and DDR4 for system RAM), have a wider data channel (256-384 bits transferred per request on higher end GPUs), and are located right next to the GPU so the electrical impulses do not have to travel very far.
They're designed to respond faster (DDR5 vs. Integrated graphics cards use the computer's RAM as their video memory, so are limited to these memory speeds.Ī dedicated graphics card has its own built-in memory. This is due to the width of the data channel (64 bits transferred per request), and distance from the CPU to the RAM (light only travels 7.5 cm during one clock cycle of a 4 GHz system). The amount of video memory isn't really the issue.Ĭomputer RAM has a bandwidth of about 10-20 GB/s.
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