x264 quick sync video nvnc vcethere is no shortage of ways totransform your screen into a videostream visible to potentially millionsof people around the worldfor the mad ballers among us a second pcdedicated to that task is the undisputedking of performance and qualitybut how do the rest of us get ourstreams going without crossing them upamdclaims to have the best solutionbut do theywelcome to a new episode ofmanufacturers say[Music]browse privately and securely withtunnelbear the simple vpn app trytunnelbear for free at the link in thevideo descriptionone of amd's top marketing points isthat the 16 threads in their ryzen 7cpus allow gamers to dedicate ample cpuresources to both gaming and videostreaming coding without impacting theperformance of either since games won'tmake use of all 16 threads and neitherwill an encoder meanwhile one of intelselling points for their consumer levelchips is their integrated graphicsprocessor and its ability to use quicksync video technology to encode a videostream without impacting the performanceof their cpuwell that all sounds greatbut with both of them claiming toachieve the same objective by verydifferent meanswell surely one of them's got to bebetter rightwell predictably enough amd says thattheir way software encoding is superiorand the traditional wisdom would backthem up on this one the software-basedx264 encoder is well known to offerhigher image quality andmore flexibility in its setup comparedto other solutions butuntil now if you cared about performanceyou'd almost never use it while gamingbecause its consumption of systemresources was pretty much guaranteed toimpact your gameplay unless you wererunning an extreme edition or somethinglike that but with more processing coresat ryzen 7's disposal it could bethat amd's onto somethingmeanwhile what are the other guys doingdifferent hereintel's quick sync video and for thatmatter nvidia's nvenc and rtg's radeonvideo codec engine are all what areknown as dedicated hardware basedencoders which present an interestingconundrumin theory you actually stand to losevirtually no performance which is coolbut you're forced to use theoptimized settings that are baked intothe hardware meaning that you can'treallytune anything beyond their presetsbesides simply increasing the raw bitrate to improve quality so finally backto the big questions how much does theencoder matter for quality is twitch'snew maximum of six megabits per secondenough that it won't really matteranymore are any of these solutionsreally able to untether you from thesecond pc and let you stream withoutimpacting performancewell we touched on this from amd'sperspective in our ryzen 7 review whichyou can check out here and we asked youguys at that time if you wantedsomething more in depth and since youdid ask so nicelyyour wish is our commandwe're going to focus on two games forour testing first ashes of thesingularities cpu benchmark not becauseit's a hot game on twitch right now butfor technical reasons it stresses thecpu and has a good mix of slow-movingterrain with lots of small fast-movingprojectiles that are great atintroducing blocky artifacts duringencodingthe second will be the forerunnerbenchmark with its sweeping cameras andloads of special effects we know againmost people aren't streaming these gamesbut canned benches are much morerepeatable across our platforms and bothof these titles represent a realisticgaming load that is more demanding thantoday's popular esports titles for ourencoders we've used common twitchstreaming bitrates and resolutions forall of our comparisonsyou'll note that 1080p 30 is technicallymore data to cram into our lower bitrates than 720p 60 but the higher framerate of 720p 60 should better highlightmotion artifacts in our encodersso any cpu even one with onboardgraphics canuse x264 encodingbut we observed in our testing that notall are created equal in this regard wefound at amd's ryzen seven manage twoall right just stuck up on memanaged to avoid dropping framesthroughout our testing at a higherquality preset than either of team bluessolutions in some cases even some of ourhardware encoders needed lower presetsso to find out how these differences inencoding settings affect real worldimage qualitywe captured a lossless referencerecording with our blackmagic intensitypro and used it for comparisonso we can see some subtle differenceshereryzen manages to retain smaller detailsthat get smeared out on team blue attheir very fast and super fast settingscompared to ryzen's faster this not onlytranslates into better picture qualityoverall but also contributes to betterquality when twitch then re-encodes itfor its various quality options movingon here we see our hardware encoders at1080 30p at 2500 kilobit per secondalongside our ryzen x264 footageof the four x264 on ryzen appears to bethe least likely to lose smallprojectiles in ashes of the benchmarknvnc and quicksync don't seem half badhere to be clear but they do block upmore often and lose finer details when alot's going on at oncertg's amf encoder on the other handsorry radeon fans butthings get more interesting again at720p 60. x264 holds up best once morealthough the shimmering of compressionartifacts on the cobblestones as thecamera flies by is pretty noticeablebut not nearly as noticeable as it iswith the rest of our contestantsnvnc is again at the head of thehardware pack looking decent but ourquick sync and amf footage are bothabysmal at times blocking up so badly asto appear as though they've beenrecorded at 240pinstead of 720pwe'll keep our visual comparisonsrolling while we move on to performancewith x264 we see a respectable showingfrom our ryzen 7 1800x averaging about a5 to 10 percent performance penalty onthe faster and very fast presets overour baseline readingon the 6900k meanwhile we get an averageof a roughly 3 to 23 percent performancedrop clearly a much more varied resultwhile our 7 700 k could get as high as a36 percent hit both of these ones on thesuper fast presetamd's high speed infinity fabricinterconnect secret sauce for ryzen'svideo encoding while gaming performancelooks like it's working so farour hardware tests meanwhile show ryzenactually taking a wider hit with nvencat roughly five to fifteen percent onaverage while our 6900k managed a threeto ten percent variance and our 7 700 kranged from 2 to 18rtg's amf encoder seemed to hit all ofour chips less with ryzen taking ourroughly 7 to 8 performance hit andsitting in between the other twothoughas we've seen the amf encoder is alsofar from the highest quality forstreamingbut we have one final encoder one thatwe can't directly compare with any othercpu and that's intel's quick sync videocompared to the 7700k baseline it causeda three to twelve percent performancedrop about in line with the rest of ourhardware encodersso finally thenlining all our encoders up next to eachotherwe can see thatactuallyryzen running x264blows the doors off every other cpuencoder 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