How Does Intel's Quick Sync Technology Stack Up Against Competitors Like Nvidia and AMD?

How Does Intel’s Quick Sync Technology Stack Up Against Competitors Like Nvidia and AMD?

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What is Intel Quick Sync Video? Any Difference from Nvidia and AMD

This article details Intel Quick Sync Video, and the differences among Intel QSV, Nvidia, AMD and DXVA.

By Candice Liu ｜Last updated on Jan. 20, 2021

When it comes to 4K Ultra HD video processing , scads of users would concern about the video decoding and encoding speed. Well, how to accelerate 4K UHD and high definition video decoding and encoding speed? Dead easy! Make your software and hardware have a good cooperation.

That being said, how to make this happen? First of all, focus on your hardware acceleration. Next, resort to the video software that supports hardware acceleration. Okay, first things first. Let’s get straight to the point - hardware acceleration.

Intel Quick Sync Video

What is Hardware Acceleration?

Hardware acceleration, as the name implies, is mainly talking about enhancing your computer hardware performance to complete some compute-intensive tasks more effeciently on hardware rather than only in software running on general-purpose CPU, which actually relies on your CPU and GPU configurations. GPU, we leave it for later clarification. This post primarily aims to bring you an insight on the most noteworthy Intel Quick Sync Video CPU hardware acceleration tech.

What is Intel Quick Sync Video?

Intel Quick Sync Video is the name given to Intel’s hardware video encoding and decoding technology integrated into some of its CPUs. This type of hardware acceleration gives a great boost in high definition and 4K Ultra HD video encoding/decoding performance by routing ‘work’ to the GPU-being especially praised for its extraordinary performance in MPEG-4 AVC/H.264/H.265/VP8/VP9 video encoding/decoding operations. Thus, your CPU can be released to handle other tasks simultaneously with higher efficiency and better responsiveness.

Certainly, with Intel Quick Sync Video hardware acceleration tech on your computer, you can do things faster than the basic CPU normally could. But please bear in mind that Intel Quick Sync Video tech would not go into action alone unless a video software with Intel Quick Sync hardware acceleration supported runs on your computer and activates the hardware to do a job together. In such case, if you wanna check how fast the Intel Quick Sync would be, you are demanded to get a Quick Sync video software first. There are some well-known Intel Quick Sync Video converters that support Intel QSV tech to compress and convert video (esp. large-sized 4K video) with 2-3X real time faster, including Handbrake (Windows), VLC media player, MediaCoder, MacX Video Converter Pro, Any Video Converter, etc.

What’s more, there are some other requirements needed to make Intel Quick Sync Video hardware acceleration workable in video processing.

The drive program should upgrade to the latest version.
The graphics card is required to be at least Intel® HD graphics GPU or Intel® Iris™ graphics GPU.
Your CPU hardware is asked to support Intel Quick Sync Video hardware acceleration tech. Check the below table if you’re not sure about your CPU configuration.

CPU Editions with Intel QSV and Codecs Supported
CPU Edition	Sandy Bridge	Ivy Bridge/Haswell	Broadwell	Braswell/Cherry Trail	Skylake	Apollo Lake	Kaby/Gemini/Coffee Lake
Supported Codecs	H264	H264, MPEG-2	H264, MPEG-2	H264, MPEG-2, JPEG, VP8	HEVC, H264, MPEG-2, JPEG, VP8	HEVC, H264, MPEG-2, JPEG, VP8, HEVC (10-bit) (decode only 8K), VP9 (decode only 4K)	HEVC, HEVC (10-bit), H264, MPEG-2, JPEG, VP8, VP9

In case both your hardware and software address the above requirements, then you’re able to utilize the Intel QSV CPU hardware acceleration to improve video processing speed. Well, here also comes a question: what if your computer CPU doesn’t support Intel QSV? Does this mean you can’t use hardware acceleration to speed up video transcoding? Yes, you can. You can adopt GPU hardware acceleration to give a great boost on high definition and 4K Ultra HD video processing speed. The common GPU hardware encoding techs include Nvidia (CUDA/NVENC), AMD APP and DXVA. If you are in a great need of GPU hardware acceleration, then the following part might be helpful for you to get closer to GPU hardware encoding via the comparison between CPU and GPU hardware encoding acceleration techs.

Intel Quick Sync Video vs Nvidia vs AMD vs DXVA

Now, we have almost finished the clarification about what is Intel Quick Sync Video. What if you wonder the relationship among Intel Quick Sync, Nvidia, AMD and DXVA? Here is the very place where you can get a clear understanding on the difference among these types of hardware acceleration techs.

Intel QSV - abbreviation of Intel Quick Sync Video
This type of hardware acceleration is to infuse an acceleration chip into your Intel Sandy Bridge/ Ivy Bridge/ Haswell/Broadwell CPU so as to quicken video decoding/encoding speed by routing ‘work’ to the GPU meanwhile leave more CPU space for other tasks like web surfing, video playback, etc.

Nvidia CUDA - abbreviation of Compute Unified Device Architecture
CUDA is one of Nvidia hardware acceleration technologies designed to ensure dramatic increases in software performance including 2D/3D games, video playback, video decoding and encoding, online video streaming, etc. by assigning some work to GPU. Of course, Nvidia CUDA will rely on CPU to some extent.

Nvidia NVENC
Nvidia NVENC, the successor to CUDA, is a dedicated part of your GPU used to only hardware encode video (4K) at faster speed. That’s to say, it doesn’t play any role if the job is nothing related to video encoding. So, this GPU hardware encoding tech is specialized in video encoding and more importantly it takes almost no resource from CPU and GPU. Instead, it merely needs the minimum memory and bandwidth.

AMD APP - abbreviation of Accelerated Parallel Processing
AMD APP is the GPU hardware acceleration infused in AMD graphics card to cooperate with CPU chip to make tasks process faster than the former way only on CPU. Slightly different from Nvidia GPU hardware encoding, this AMD APP would hinge on CPU participation a little bit more than Nvida does. Of course, its purpose is the same to Intel and Nvidia, reducing CPU burden and making full use of GPU speciality.

DXVA - abbreviation of DirectX Video Accelerator
This type of hardware acceleration mainly focuses on transferring part of video conversion, edit or playback jobs to GPU (integrated or discrete) of your computer rather than CPU so that it won’t slow down your other running tasks at the same time.

CPU vs GPU Hardware Acceleration

The above hardware encoding acceleration might be different in performance, yet being identical in purpose-accelerate video decoding/encoding speed. Yes, the software has a big chance to be more efficient if it takes full advantage of all possible hardware acceleration techs for it’s specific purpose, but that’s also a lot more labor intensive to maintain and handle different possible roles for different hardware. Acceleration by assigning task to GPU, you can arm your computer with up to 2-4 GPUs (integrated or discrete) based on your computer settings. And compared with AMD APP and DXVA, Nvidia in general is at a higher level to help you encode video to H264 and H265 on wider platforms. Speaking of acceleration for CPU, you only have one option Intel Quick Sync Video to speed up and free up your unique CPU.

ABOUT THE AUTHOR

Candice Liu

Candice’s particularly skilled in writing and sharing video-related contents. Her guides cover from deep-seated video/audio parameters, to media entertainment on different platforms. She also enjoys shooting and processing videos by herself for a more reliable basis of informative info with her articles, which are never at the expense of eliminating an entertaining read.

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