It’s a tough fact, however AMD’s Radeon graphics playing cards have by no means been significantly wonderful in content material creation or dwell streaming workflows. CUDA runs the world for video enhancing, and the AMF/VCE video encoder on AMD playing cards traditionally doesn’t maintain as much as the competitors. However RDNA 3 and the Radeon RX 7900 collection would possibly change all that.
I solely had restricted (distant) entry to certainly one of AMD’s next-gen GPUs for testing, however I couldn’t resist testing the encoder capabilities on this new technology and seeing how the updates fare. Spoiler alert: There’s rather a lot to love now.
Welcome to the AV1 period
Ensuing from AMD’s acquisition of Xilinix, RDNA 3 GPUs now have Xilinix {hardware} onboard for the “New twin media engine.” AMD’s press convention didn’t present a lot info to go together with on this. The wording implies the “twin” nature is simply the “simultaneous encode and decode” capability, which just about each fashionable GPU can do—it’s simply worded to sound like it’s a comparable enchancment to the twin AV1 encoders in Nvidia’s content material creator-friendly RTX 40-series graphics playing cards.
AMD
The {hardware} change brings us AV1 encoding functionality on AMD’s new Radeon playing cards, too! At present solely supported within the OBS 29 beta, the up to date encoder implementation nonetheless wants a piece, nevertheless it’s very promising.
Adam Taylor/IDG
High quality-wise, it’s actually onerous to see any main variations between low-bitrate AV1 encoded on AMD, Nvidia, or Intel {hardware}—which is nice information! For recording and archival utilization, AMD’s new AV1 encoder undoubtedly retains up with the competitors and brings that (anticipated however unsure) function parity to next-gen AMD customers.
Adam Taylor/IDG
When pixel-peeping to essentially see who’s AV1 encoder performs finest for the upcoming AV1 streaming future at low bitrates (3.5mbps and 6mbps examined right here), AMD’s AV1 high quality appears to fall squarely between Intel and Nvidia, the place it ceaselessly appears noticeably extra blocky or blurry than Nvidia’s encoding, however doesn’t get as blurry as Intel typically does.
Adam Taylor/IDG
Streaming right now?
In additional excellent news: H264 and HEVC encoding on RDNA 3 GPUs additionally runs on a brand new {hardware} setup, with noticeable high quality enhancements over final technology AMD encoding.
Adam Taylor/IDG
The dangerous information? High quality nonetheless lags considerably behind Nvidia and Intel.
Adam Taylor/IDG
Intel and Nvidia nonetheless commerce blows for who has the very best quality in these situations, however AMD nonetheless can’t sustain.
Adam Taylor/IDG
This issues much less at greater bitrates, however high quality will harm at decrease bitrates. Although it’s price noting that the standard soar between RDNA 2 and RDNA 3 is most vital at decrease bitrates!
Adam Taylor/IDG
Clearly the extra fast-paced the sport or content material you’re making an attempt to stream is, the extra this high quality distinction issues. For slower video games, the standard distinction is much less important.
Adam Taylor/IDG
It’s good to see that there’s some high quality enchancment right here , particularly since Nvidia is finished updating H264 high quality and I might be shocked if future Intel generations noticed enchancment on the legacy codec, both—however I used to be, admittedly, hoping for extra.
Adam Taylor/IDG
It’s unclear if this high quality bump is because of higher {hardware} making the most of extra intense software program config right here (comparable to AMD’s claimed “AI” or machine studying technique of enhancing video high quality), or if these encoders are operating on new {hardware}. I’m inclined to imagine H264 and HEVC are nonetheless encoding on older AMD {hardware}, as in Job Supervisor the older codecs are proven to be encoding on totally different {hardware} than AV1.
Adam Taylor/IDG
For recording, archival, and an AV1-streaming future, AMD’s new graphics playing cards will do what creators need. AMD fails to be aggressive for a H264-streaming right here and now, nevertheless, which is disappointing to nonetheless see.
AMD’s encoding tremendous energy
Within the reviewer’s information, AMD states that the H264 encoder can encode 4K video as much as 180FPS in H264 and H265, as much as 240FPS in AV1, and 8K at 48FPS in HEVC and 60FPS in AV1. Whereas not as spectacular as I found RTX 4000’s encoding capabilities are, this could nonetheless be nice—nevertheless it’s extra difficult than that.
The superior information is that this technology appears to have no driver lock on encode classes. Meaning you’ll be able to encode as many concurrent streams or movies as you need till the {hardware} begins to lag. I queued as much as 6 encodes without delay earlier than the Ryzen 9 7950X CPU within the machine received too slowed down decoding the supply footage again and again. That’s nice. Nvidia presently has a driver limitation of three encode classes at a time, regardless of the {hardware} being able to way more.
Encoding greater than two classes at a time is hard, nevertheless, as the brand new “Excessive High quality” preset for AV1 pegs the video encoder {hardware} at 100% utilization with only one 4K 60FPS encode, and I discovered it extremely simple to journey into encoder lag territory with each OBS Studio and AMD ReLive. This implies you’ll find yourself with a stuttery or slideshow-like video for those who’re not cautious. Above 1440p, I discovered it most dependable to make use of the “Velocity” preset (not out there in ReLive) which suggests you’ll want to make use of greater bitrates to take care of the identical degree of high quality.
On the intense facet, this card could be an exquisite alternative for Plex server customers wanting loads of simultaneous encodes—as soon as Plex provides assist for this {hardware}, a minimum of.
AMD ReLive lives once more
Adam Taylor/IDG
AMD ships their very own recording and streaming software program with their GPUs, akin to Nvidia Shadowplay. Besides, it’s far far higher than Shadowplay in virtually each method. Extra settings, extra capabilities, extra options. Nvidia actually must replace Shadowplay ASAP.
Video enhancing?
I’ll have to research full creator workflow testing sooner or later as soon as I truly get hands-on with AMD’s new playing cards, however I did run a fast DaVinci Resolve benchmark utilizing Puget System’s PugetBench, operating on the Radeon RX 7900 XT reasonably than the flagship XTX. It is very important be aware that my take a look at bench for this run used an AMD Ryzen 7950X CPU as a substitute of my common 12900k take a look at bench (since I solely had distant entry) however the outcomes are promising.
Adam Taylor/IDG
The Radeon 7900 XT appears to beat out last-gen’s RTX 3080 and 3090, which is spectacular. It nonetheless has a protracted method to go to match the brand new RTX 4080 and 4090—however hopefully the beefier Radeon RX 7900 XTX could make up that distinction. The 24GB reminiscence capability on the cardboard is actually welcome for video enhancing.
Adam Taylor/IDG
Is AMD again?
Primarily based on their communication decisions, I nonetheless can’t assist however really feel that media and streaming is an afterthought for AMD’s restricted sources (in comparison with Nvidia) however they’re lastly beginning to claw again efficiency in these classes. For individuals doing AI upscaling, video enhancing, or AV1 encoding, I lastly really feel assured recommending AMD playing cards to creators, particularly given how low cost they’re in comparison with Nvidia’s costly GeForce choices this technology.
