X264 vs quick sync software

Using the default x264 encoder of obs or xsplit for example, you can achieve a medium to high quality with normal streaming bitrates. I would think youd test x265 vs nvenc hevc for an apples to apples, although that is a long video maybe he explains it somewhere. Yes, same for me with a r290, i guess vce even in 2. When compressor loads up, it uses the nvidia geforce gt 650m high performance gpu. X264 does cpu or rtx gpu encoding work best for twitch. Quick sync is hardware video encoding and decoding technology thats comparable in speed, compression ratio and quality to x264. Amf does work for me, but i get lots of microstutter. Traditional performancequality tradeoffs of software codecs are disrupted by high speed h264 hardware acceleration. But that depend on what version of quicksync are you using too. I am seeing some interesting behavior when turboboost is enabled, and am trying to explain it. They both are fine at high bitrates, so perfect for recording to disk, other than that, x264 is the way to go. Tip hardwareaccelerated streaming is a premium feature and requires an active plex pass subscription to play your video smoothly and on a huge variety of devices, plex media server often needs to convert the video to a different quality or a compatible format. In many cases hardware acceleration provides a much higher fps boost than would be possible with a software implementation.

The comparison you are making is between x264 software encoder vs vaapi hardware accelerated encoder open source driver not same as media sdk, media sdkmedia server studio uses intel ihdi915 closed source driver. Comparison of x264, nvenc, quicksync, vce obs forums. A free decoder that utilizes the intel quicksync technology. The ice lake and tiger lake version promises to change this, but it remains to be seen. If you have an older, slower cpu, however, you could use nvenc on the gpu instead. In both cases you still use the same x264 encoder and will need the same bitrates. I installed a gtx 1060 3gb card into my media server i73770 and was trying to do hardware transcoding with plex but found out too late that they only support encoding, not decoding. It could be as short as x264 nvenc quicksync and as long as this post. Page 6 of 73 gpu transcoding intel quicksync and nvidia nvenc posted in general discussion. Quicksync gets open source support, regresses in quality.

Quicksync on skylake is better than on ivybridge, but nvenc is still a bit better than both. The same result can of course be seen with a capture card, wether it is on a single pc or two pc setup. Whats the difference between intel quick sync and nvidia. Like most desktop hardwareaccelerated encoders, quick sync has been praised for its speed. I thought the intel quick sync video was suppose to be less ressource intensive and use the intel hd graphics 4000 for encoding. I picked rocket league because it suffers from a lot of compression due to its intense pace.

Shadowplay vs quicksync vs x264 for streaming quality. But x264 falls behind when it comes to fastmoving gameplay. But the problem in the past was that nvencs quality wasnt comparable to x264 at 6 mbps or lower. Nvenc comparison to x264 x265 quicksync vp9 and av1 page 5. The main reason behind this was the fact that support only.

Nov 16, 20 using the default x264 encoder of obs or xsplit for example, you can achieve a medium to high quality with normal streaming bitrates. I ask becuase i came across a forum post on the obs settings. In video codecs, whats the difference between h264 and x264. Livestream encoding options are explored by nvc as used in both obs and xsplit 2. Intel quick sync video technology on iris pro graphics and intel hd graphics provides transcode acceleration on linux systems in ffmpeg 2. Whereas with quicksync the cpu fan usually doesnt even come on. I set up a computer to serve the restreaming purpose. Good call i was skimming the early sections and skipped to the end and missed the mixed comparisons of x264 vs nvenc hevc nvenc h. Take advantage of intel quick sync video technology and learn how to. The op states that he found it to be an upgrade and now i would like to investigate farther. Not really great for me as i mostly record desktop currently, and this made the gpu fan run fairly loudly continuously. Nvenc provides better visual quality than quicksync. Then a few months later an update is out for the x264 encoder and id come across another glitch or issue.

Intel quick sync video realtimespeed 5x faster speed at comparable quality and free up cpu cycles. See if you can guess which was encoded with x264 and which was quick sync. Only other software i can find though not searched extensively yet that supports quick sync is badaboom. Intel quick sync video for screen recording h264, hevc. I use qsv h264 encoder with ffmpeg latest build by zeranoe on win7 with media studio 2017 installed. After doing a few encodes with x264 slow, crf 18, its just ridiculous how good they look compared to the source and i did feel they looked better than intel quick sync encodes on my display. For live streaming, it is important to get the highest possible quality at the lowest possible bitrate, so xsplit gamecaster will always use the x264 software encoder as its default for live streaming in automatic mode.

This screenshot is from a quick turn where the camera is panning with a lot of speed. So im testing emby now instead and at first i was pretty pleased with the performance but after further. Now we have 4k footage to encode, software encoders are just very slow to be that practical. Honestly, quick sync is not worth it if you are going for an i7 processor. Qsv have a better quality and more fps rather than amd vce and x264 preset veryfast and maybe faster and fast. Does anyone know if using iqs provides any benefits over x264. Deliver smooth game streaming experiences with intel.

Quick sync takes advantage of the integrated gpu included in most recent intel i3i5i7 cpus and can dramatically accelerate encoding or transcoding video with the mp4h. Features the following are primary features of q264. Page 72 of 73 gpu transcoding intel quicksync and nvidia nvenc posted in general discussion. Intel quick sync video is available in windows 7, 8, and 10. Quicksync on my igpu supports 4k x264, dxva2copy does not on my system amd390x and i7 6700k also i think quicksync supports hevc while amd seemingly doesnt altho i never got it to work on either, so do not quote me on that. Abstracts the hassle of hw accelerated decoding in intels 2nd generation core i3i5i7pentiumceleron sandybridge or newer intel cpugpu using the intel quicksync technology. Intel quick sync video is intels brand for its dedicated video encoding and decoding hardware. Intel quick sync video technology on intel iris graphics and intel hd graphics provides transcode acceleration on linux systems in ffmpeg 2. You will notice that the handbrake x86x264 path is definitely faster than cyberlinks software path, by over 50% to be exact. Im running a windows 7 professional 64bit, as quick sync was supposed to be supported for windows in vlc. I was playing around with this new razer software and knew nothing. It did not matter how fast or power efficient the processing was, because the tradeoff in output quality was simply not worth it. It did not matter how fast or power efficient the processing was, because the. Conversely, file sizes will be much larger at same crf.

Gpu transcoding intel quicksync and nvidia nvenc page. Nvenc vs amfvce vs quicksync vs x264 ultimate encoder quality analysis 2020. Sep 23, 2014 page 72 of 73 gpu transcoding intel quicksync and nvidia nvenc posted in general discussion. Oct 15, 2018 nvenc is better at handling rapid changes. Should you use hardware or software encoding for video transcoding, either for living streaming or simply compressing your final output file. At ultra fast and super fast preset x264 on i7 will be just as fast as quick sync. That said, x264 uses the most cpu resources and will have the biggest hit on game performance. Feb 22, 2015 download intel quicksync decoder for free. New purchase, cant find hevc quicksync encoder option. Yes, im aware this isnt the same as twitch live streaming in obs, if there is enough interest in this video, ill follow it up with nvenc vs h.

How to force intel quicksync encoding vs amd encoding. Hi william, glad to know you are testing some of the h264 encoders available publicly. Comparing compression quality on qhd 1440p 60fps overwatch gameplay using neflixs vmaf. Maybe i am wrong and the graphics card doesnt matter but i need some clarification of this feature on intel.

At equal bitrates, x264 gives the highest quality compared to quicksync and nvenc. Gpu transcoding intel quicksync and nvidia nvenc page 72. Intel quick sync video and ffmpeg installation and validation. Hello, i have an interesting issue on my research system with a xeon e31285lv4. However even using handbrake as a reference, quick sync transcodes. Check whether your cpu model supports intel quick sync video. Multiple nvidia gpus contain one or more hardwarebased. Qs has inferior quality but uses barely any cpu at all, since its all done in the igpu of the cpu. Nov 08, 2017 for example after hours and hours of encoding using x264 before quicksync was really a thing i kept finding various glitches when playing back. If x264 can produce a 30mb file at crf 20, the same crf 20 on quicksync may produce nearer 50mb. With quick sync initially targeted just at the mobile transcoding use case, when it came to archiving high quality sources, using a software encoder like x264 was the obvious choice. Nvenc comparison to x264 x265 quicksync vp9 and av1. Jun 02, 2014 i thought the intel quick sync video was suppose to be less ressource intensive and use the intel hd graphics 4000 for encoding. Intel quick sync video is intels brand for its dedicated video encoding and decoding hardware core.

Quick sync on the other hand is limited to 8bit level 4. And i just curious about few things actually, problems. A few buddies of mine have tried it, and at the same bitrate, x264 looks better. Apr 23, 2012 you will notice that the handbrake x86x264 path is definitely faster than cyberlinks software path, by over 50% to be exact.

Nvenc, including kepler, maxwell, pascal and turing series cards. As for the extreme slowness of the very slow setting days and the slow setting 8 hours i dont see how it could be anything wrong on my end. Oct 02, 2018 0 30 60 90 120 150 180 210 x264 medium x264 fast x264 faster x264 very fast quick sync video quality mode quick sync video balanced mode performancefps hd 1080p video encode speed 4 core cpu vs. Different generations of cpu have had increasing capabilities i. All i want is a package that supports quick sync, takes a dvd source and converts it to decent quality h. Eventually a x264 developer picked up these issues for me, found the bugs using my sample footage and fixed it. Vp9, just one single config to compare to the rest. Quality of hardware encoding is still inferior to software at same file size. But there is no knowledge how much is that quality difference. If you have a fantastic cpu and very limited bandwidth, x264 is better than quicksync h. Apr 18, 2018 quick sync takes advantage of the integrated gpu included in most recent intel i3i5i7 cpus and can dramatically accelerate encoding or transcoding video with the mp4h. Jun 20, 20 with quick sync initially targeted just at the mobile transcoding use case, when it came to archiving high quality sources, using a software encoder like x264 was the obvious choice. Note, that for all xeon processors a mainboard with c226 chipset is required. Nvenc comparison to x264 x265 quicksync vp9 and av1 page.

Quicksync is a small, simple application specially designed to help you synchronize folders and files with the utmost ease. Still correct is the ordering of nvenc and quicksync. It is a intel i73770k at 4700ghz on an asrock z77 extreme4m with 8gb ddr3 ram 1600mhz. Deliver smooth game streaming experiences with intel quick. Video technologyhevc, a softwarebased codec that purports to deliver. Thanks for sharing that workaround it works a treat for me. Intel quicksync qsv hardware encoding international. On the other hand, x264 is a video encoder, a particular implementation.

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