everyone and their dog is still angry over the outrageous pricing of NVIDIA's
RTX 4000 series but if you're trying to
figure out some way to justify the expense it's worth considering their
dlss 3.0 the newest version of Team Green's AI powered Tech that gives you
much better performance in games without absolutely thrashing your GPU and it's
only officially available on the 4000
series so is it worth it if you're not familiar with NVIDIA's
previous generations of dlss here's a quick primer the basic idea is that
instead of asking your GPU to render every frame at your preferred resolution
from scratch it uses a machine learning algorithm that runs on special tensor
cores that live on your graphics card this algorithm attempts to upscale
images with little to no discernible quality loss so if your card is having a
difficult time rendering a game at say 1080p the idea is that you enable dlss
set it to Performance and instead you just have your GPU cores render the game
at 540p with dlss filling in the blanks
to give you a 1080p image that is almost as good as native resolution for far
less computational effort but the
specifics of how the AI Works have gone
through several revisions dlss 1.0
released in 2019 relied on a neural network that was trained against
specific games by a supercomputer at an
NVIDIA facility reception to the feature was mixed at the time but dlss 2.0 was
much more warmly received when it debuted in 2020. not only did 2.0 run
better on your card's tensor course but it had a more generalized AI model that
was still generated by NVIDIA's supercomputer but didn't have to be
trained on specific games making it more broadly applicable dlss 3.0 which was
just released does everything its predecessor does but takes things a step
further with one really cool feature and we'll tell you what it is right after we
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down below the big change with dlss 3.0
is what team green is calling the optical flow accelerator kind of sounds
like a part of a time traveling DeLorean but what it's actually doing is
inserting entirely new frames between the ones that your GPU has already
rendered here's how it works the AI
examines two sequential frames from the game you're playing specifically looking
for how the pixels are moving from frame to frame each pixel is examined for
changes in lighting Reflections and particle Behavior to create what NVIDIA
calls and Optical flow field basically a
model of pixel movement dlss also keeps track of how geometry in the game
changes such as how the Road moves below the character on their motorcycle in the
example that we're showing although it is possible to generate frames for
smoother motion just by looking at geometry quality can suffer as other
effects like lighting won't be tracked correctly as you can see in this example
where the shadow cast by the motorcycle is distorted but dlss 3.0 combines the
optical flow field with geometry tracking to give more accurate inserted
frames giving you significantly higher frame rates while maintaining image
accuracy it'll be interesting to see just how high you can push frame rates
in popular games now that dlss is inserting entire artificial frames in
between frames that were already being upscaled by dlss NVIDIA is claiming that
your GPU only has to render 1 8 of the pixels that it would have to for similar
performance and quality without dlss unfortunately the official line from
NVIDIA is that dlss 3.0 is only supported on the new RTX 4000 series of
cards the report has already come out that the Restriction is due to a simple
software lock one player was able to bypass it and double his performance in
the notoriously demanding cyberpunk 2077 while using a now two generations old
RTX 2070 though there were some stability issues we're going to keep our
fingers crossed that NVIDIA will officially remove this restriction in
the near future especially since they probably want to clear out some stock of
their existing 3000 Series products keep in mind though even if it does happen
it's unlikely to work as well as it should on 4000 series due to its less
powerful Hardware another caveat of dlss
is that it's still a very sophisticated form of guessing as to what an
individual frame should look like so depending on your game and your specific
Hardware your mileage may vary and it
could add significant latency to your gameplay even if the image quality is
great so maybe dlss 4.0 will come out
with such a good AI that it can render artificial frames and even play the game
for me I can only hope