It's worth noting that this GPU hardware encoding only supports H264 codec. Thus, your general purpose processor CPU can be released to handle more tasks at the same time with better responsiveness. And when it comes to the difference between Intel CPU-based QSV and GPU-based AMD/Nvidia hardware acceleration tech, it's the same thing.ĬUDA is a Nvidia GPU hardware encoding technology that use the usual GPU hardware (rather than CPU processor) to encode video to H264. In such case, it needs CPU to save the big picture. Yet, as for the extras like DCT quantization, variable length coding and something involved with sequential processing, GPU becomes powerless.
And the tasks GPU can accomplish during the video transcoding process include motion prediction, motion compensation, DCT transformation parts between frames and interframes in the matrix, etc. If you do have, jump to the part you need.īasically speaking, the video decoding and re-encoding are highly related to the compression technology based on spatial similarity, and the basic container of processing is the matrix, which is just what GPU handles well. Yet, prior to illustrating the info about Intel QSV, you're suggested to figure out what hardware acceleration is and the difference between CPU and GPU hardware acceleration tech first if you lack this kind of background knowledge. No rush! The below parts will throw light on the Intel® Quick Sync Video hardware acceleration tech, as well as GPU hardware encoding (Nvidia/AMD) in details. By the time you read this, you might wonder What hardware acceleration is and what Intel® Quick Sync Video is on earth and how they work to accelerate video conversion speed. MacX Video Converter Pro V6.7.3 addresses the needs by leveraging the revolutionary hardware acceleration technology - Intel® Quick Sync Video, Nvidia (CUDA/NVENC) and AMD APP - to convert videos in lightning speed, up to 16X faster, compared with its previous edition. Thus, video converter delivering fast transcoding without slowing down computer performance is highly demanded. By Candice Liu to GPU Hardware Acceleration, Handbrake | Last Updated on Dec.1, 2021Ĭonversion from one video to another is usually regarded as a time-consuming process and a CPU-intensive task.
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