hello guys CPUs are hot and use too much power
but who is right in this sephorus G14 we
have AMD ryzen 9 6900 HS nice and over
here at Intel I9 12900 HK we already saw
the Intel's 12th gen was a massive step forward but AMD claims they have a 2.62
times jump in performance per watt so can ryzen 6000 reclaim the mobile CPU
Throne we'll give you the numbers after the segue to our sponsor Corsair
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all right
AMD's ryzen 9 6900 HS is an 8 core 16
thread CPU that according to AMD has been optimized from the ground up for
exceptional performance per watt unlike the upcoming desktop CPUs that will be
using Zen 4 ryzen 6000 mobile uses Zen 3
plus Rembrandt architecture these chips are manufactured using tsmc's six
nanometer process and earned them five slides of just how darn efficient they
are but how do AMD's claims transfer to the real world well the first thing I
did with these two laptops is run cinebench R23 and the results blew me
away the AMD ryzen 9 6900 HS came
shockingly close to the I9 12900 HK and
I say shocking because AMD's chip has a TDP of 45 Watts
and it tells us 110. AMD has been making
a huge deal about the performance per watt of these chips and then this might
be um no no never mind reviewing the
hardware info logs show that the Intel chip briefly Drew 110 watts and then
quickly settled around 80. whereas the AMD chip boosted to 80 watts and then
settled around 75 meaning Intel might be
onto something with their mixture of performance and efficiency cores in
laptops the TD specs you see are largely meaningless the CPU will use however
much power is available until either the cooler or the vrms can't take it anymore
and good thing techtubers exist because there's basically no way to know what a
laptop CPU will do until someone goes out and tests it since in laptops
whoever can get the best performance while using the smallest amount of power
wins I devise a little test using the ASUS Armory crate on AMD and throttle
stop on Intel I was able to equalize the tdps of the CPUs then I ran the blender
BMW test to see how while they performed this way we can start at 70 watts and
end at 20 to see which CPU will work best over the largest number of laptops
oh the gate Intel took the lead as expected with wins at 60 and 70 Watts
but when we got to 50 Watts things started to change here AMD took their
first win and after that it was just a bloodbath the craziest bit is that
between 30 and 25 watts Intel's time
increased by a whole minute that's longer than it takes to order a water
bottle at lttstore.com I would have liked to go further but a 20 watts AMD
started disregarding the Armory crate limits and gave the CPU a little bit
more juice but like at this point we can pretty safely guess Intel is not making
a comeback I do want to be careful here because it is very possible that Intel
hasn't tuned the I9 12900 HK to use
under about 50 watts of power in the future the lower power chips from them
might be better in this range but looking at their lineup I'm pretty
confident in my findings 45 Watts Intel will have their P series
CPUs with six P cores and eight e-cores
with a turbo Power of 64 Watts but once
you get to the U Series where the TDP dips below 45 Watts the number of cores
drops dramatically I 15 watts Intel's i7
1265u only gets two performance cores
and I'm very suspicious that they'll be heavily leaning on the 55 watt Turbo
Power to extract any performance from these CPUs meanwhile over a team red it
seems like AMD can just take their 8 core 6900hs and limit the power to
whatever TDP is needed and the performance just scales linearly what
all this means is that the choice between AMD and intellicode come down to
the TDP of the laptop that you're looking for Intel has the lead and
outright performance so if you need a beast of a gaming laptop with a TDP of
over 45 Watts I lean towards team blue but if you want decent performance and a
smaller machine I'd deal with AMD below 45 Watts the bit that uh sucks for Intel
is that I don't know many people looking for desktop Replacements but I know
loads of people that are looking for a reasonably well performing laptop that's
you know light and has long battery oh
and speaking of which the battery life on the 6900 HS is excellent our last gen
zephyrus G14 with a 5900 HS got us 5
hours and 42 minutes away from the wall while the new 6900 HS lasted a massive
11 hours and 11 minutes both have 76 watt hour batteries and 2K
screens so my only explanation is that AMD weren't lying with that slide deck
get subscribed because we'll dig more into this in our full review of the ASUS
zephyrus G14 next week I've only had what
26 hours with this thing and that is not enough time to upload a video claiming
is the best Windows laptop in existence which it very well may be what is crazy
though is that we haven't even talked about what is potentially the biggest
upgrade in ryzen 6000 rdna2 Graphics aka
the same Graphics architecture in the PS5 and Xbox series X don't expect to be
cranking the details in modern games but a 1080p you can play basically
everything like we managed 85 FPS in
Forza Horizon 5 on low details the iris XD graphics and the I9 12900 HK only
managed 46. damn
this difference is so massive that for thinning lights I don't even know if I
can recommend an Intel System since you'll have such a better gaming
experience than AMD honestly I just can't wait to see what kind of cool
gaming devices will come out in the next couple of years that take advantage of
our dna2 they've already blown me away with a steam deck and hopefully that's
only the tip of the iceberg so yeah AMD
wasn't able to take back the performance Crown from Intel with Rembrandt but
they've managed to create a much more well-rounded CPU that holds up across
the TDP range and features the best igpu
by a mile I can't wait to see what laptops come out using these and I also
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thanks for watching if you want to watch another video maybe check out our review
of the steam deck it used rdna 2 in such
a cool way