for quite a while now whenever I review an NVIDIA GPU I will state right at the
start of the video how fast the graphics card was in terms of core clock speed
and memory clock speed and for quite a while now those numbers have really
never been correct representations of how fast the card ran even when it
wasn't overclocked what's to blame GPU
boost
the Logitech g303 features a lightweight design an advanced Optical sensor with
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setup click now to learn more now NVIDIA claims that their GPU Boost 2.0
technology extracts every ounce of computing power from compatible NVIDIA
graphics cards which results in a maximizing of frame rates in each and
every game DM and that GPU Boost 2.0 is
faster and more flexible than 1.0 giving users more control over its
configuration that's what NVIDIA claims so okay but what does all that actually
mean well the whole idea of GPU boost is
for it to be an overclocking assistant
what we'll be exploring today is the effects that it has on your graphics
card when you do nothing at all um but
it does change things if you happen to tweak settings especially voltage and
thermal limit and Power power limit stuff like that but that's a long story
as well and we may explore that later in a future video if you guys are
interested so hit the like button to let me know GPU boost increases these things
automatically by detecting if an application would be able to properly
utilize additional graphics performance then as long as you have the additional
headro in both thermal output and power
draw uh you're going to be good to go for gpus to kind of do its thing
attempting to increase your various clock speeds in order to give you the
additional performance you can use without any intervention intervention
from you now you're probably thinking the effects of this must be quite small
and insignificant with graphics cards being advertised all over the place with
their based in boost clock speeds isn't the Boost clock speed as advertised just
what the GPU is going to boost to anyways well kind of but also totally
not at all you'd never expect a manufactur or for that matter a retailer
to undersell their product but what's kind of exactly Happening Here is that
they're doing just that the Gigabyte G1 gaming 90 TI that I reviewed a while
back you can check the video up here it had an advertised base clock speed of
1190 with an additional advertised boost clock speed of 101 more than that which
was 1,291 now why do I find this super
interesting well for a few reasons to beon honest reason one is that you'll
never really see that base clock speed anyway essentially any game will cause
GPU boost to kick in so whatever next up
is that super specific boost clock of
1291 with a number that specific you'd expect it to be exactly 12291 but as we
discovered in that video it was a massive increase of 79 MHz to an actual
final boost clock speed of 13370 so why not aage Iz 1370 did they
not know it would be this fast or much more likely than that were they making a
conservative guess and this is where our
testing began I needed a ton of the same
GPU that all had GPU 2.0 technology and
that's not exactly a cheap proposition to make luckily NVIDIA was already
sending us six freaking Titan X cards only four featured here um they sent it
our way so that we could do system upgrades for the editors and I took the
opportunity to both build the compensator system the build of log the
build log of which you can see here and do my testing for GPU boost the results
were kind of awesome to be honest each
card has its average range of core clock speeds that it would move between the
first interesting observation here is that the lowest fluctuation on the
lowest boosting card was still 13 MHz
faster than the advertised boost clock speed of a Titan X from NVIDIA these are
all referenced cards the second observation is that the highest of the
average fluctuations was 54 MHz above
the advertised even with every single
Titan X hitting a thermal wall of 83° underload in conclusion I personally
think that was damn interesting but it was a little bit disappointing that we
ran into the exact same thermal wall on
every single car due to the high heat producing Titan X and a reference cooler
we could have increased our thermal limit but I want to what these cards
would do without any changes happening to them and honestly I'm not a huge fan
of running cards that hot anyways so no major loss there it was also interesting
that the maximum clock speed of 1139 was
hit by four out of the six cards for
stage two if you guys are interested and I can get different cards I'd like to
try this again but with better cooled cards maybe some aftermarket coolers and
stuff but playing with some overclocking settings would be fun as well I'd like
to explore the idea of hardcoded maximums what settings changes produce
the biggest results automatically from GPU boost and GPU boost overclocking
versus manual overclocking so don't forget to hit that like button if you're
interested so I can try to acquire those additional cards speaking of stuff and
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