WEBVTT

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oh heck yeah i've got some brand new gpus in the oven let's see what mr

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jensen has in store for us wait it's just

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yep yeah NVIDIA finally announced the rtx 4090 4080 and also the rtx 4080 but

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slower to be clear the rtx 4090 looks freaking incredible and gamers have a

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lot to be excited about here but NVIDIA has also left out a lot of key details

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that have me very concerned about just how much of a performance increase

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out of the gate the rtx 4090 looks like a monster and not in the way we thought

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it would either although the details in jensen's announcement were light he did

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mention a doubling of rasterization performance and a quadrupling of ray

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tracing performance and the specs back them up but the rtx 4090 having 16

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384 cuda cores and a boost clock of 2.52

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gigahertz even without architectural improvements this thing buries the 30

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90. going into the event there are rumors that the 4090 would draw up to

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600 watts of power but impressively NVIDIA has been able to have this huge

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bump in cuda cores and clock speeds while maintaining the same 450 watt TDP

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of the rtx 3090 which to be clear still a lot of power but it's not an asinine

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amount of power given how much of a performance uplift the rtx 4090 offers

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i'm impressed they were able to keep the price to 1600 and yeah that's a stupid

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amount of money for a GPU but the hundred dollar increase over the rtx

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3090 is less than half inflation in the same amount of time and before this

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announcement i was very concerned it would cost closer to two grand that said

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apparently you can get a 3090 ti for a bit over a thousand dollars so the

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actual value proposition on the rtx 4090 is a bit more difficult with a release

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date of october 12th hopefully we'll be able to properly test one out soon and

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figure out if it's really worth it now we get into the more questionable side

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of the announcement the 4080s there are two different rtx 4080s a 12 Gigabyte

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model and a 16 Gigabyte model what is strange though is that these are

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completely different cards with completely different specs now NVIDIA

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did not give us any non-ray trace performance data nor did they share with

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us the crucial memory bandwidth spec but what we do know isn't promising with

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thousand six hundred and eighty cuda cores the 12 Gigabyte rtx 4080 has a

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thousand less cuda cores than the rtx 3080

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ow while the 16 Gigabyte model falls behind the rtx 3080 ti score counts the

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saving grace here is the clock speeds at 2.6 and 2.5 gigahertz respectively on

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paper these gpus are still ferocious and that isn't even taking into account the

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raw architectural advantages that they get thanks to tsmc's foreign node

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compared to samsung's eight nanometer you just get the faster 16 Gigabyte 4080

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then right not so fast in NVIDIA's own performance

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data it shows the 12 Gigabyte and 16 Gigabyte versions are nearly tied in

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flight sim while in warhammer and cyberpunk the 16 gigabytes pulls

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and amount ahead given the 300 price difference there is

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a good chance the 12 Gigabyte model will be just the better buy over the 16

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Gigabyte because you're already in it for 1200 you might as well just save up

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a little bit more for the much stronger rtx 4090 i am deeply suspicious that the

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12 Gigabyte 4080 was supposed to be the

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rtx 4070 but then the GPU market crashed

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ethereum proof of stake and they're sitting on months worth of stock of the

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rtx 3000 series so they cannot justify a

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900 40 70. easy fix though just call it

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a 4080 instead all this though is me speculating about the rasterization

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performance of these gpus aka how it performs and non-ray traced games if you

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care a lot about ray tracing though rtx 4000 series looks damn good NVIDIA

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claims a two to four times increase in performance with ray tracing on and they

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achieve this through a couple different methods first throw more hardware at it

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like so much that people might start actually turning ray tracing on

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next you make it run better with shader execution reordering NVIDIA didn't get

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into as much detail about this as i was hoping so i'm just gonna make an

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educated guess and if i'm wrong correct me down below ray tracing is naturally a

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single threaded task because you can't calculate like the third bounce of light

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until you've already calculated the first two this can lead to the shader

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engine which figures out how light and dark various pixels should be just kind

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of wait around while the ray of tracing is being calculated but using the magic

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of shader execution reordering apparently NVIDIA can make the process

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more parallel leading to a two times more efficient ray tracing and FPS boost

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of about 25 the third way NVIDIA improved ray

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tracing performance is by giving us dlss 3. in the past dlss would use ai to turn

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a lower resolution source into a higher resolution output with dlss3 NVIDIA is

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able to create a new fully ai generated frame without the intervention of the

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CPU by just using the motion information that was already there in dlss 2. i'm

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not totally sure how i feel about this in cinematic games like cyberpunk or

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flight sim i'm sure it works great but i'm not totally sure i want to turn it

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on in a competitive shooter since it kind of sounds like motion smoothing

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through the magic of ai instead of actually adding more FPS but i know what

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a lot of you are thinking right now ray tracing doesn't matter because the games

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you love don't support it and the performance hit is just way too much and

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honestly i agree with you the best ray tracing experience i've had is in

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minecraft and i didn't even use the rt cores for that which is why i'm super

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stoked for another thing jensen announced today rtx remix

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in the past adding ray tracing to a game that was developed on say directx 8 or

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directx 9 was basically impossible for modders unless they had access to the

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tools used to develop the game and a metric butt load of time now using rtx

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remix modders won't need access to specialized tools and will only spend an

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imperial butt cheek of time to remaster your favorite old games rgx remix works

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by capturing the textures geometry lighting and cameras by intercepting the

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draw calls interpreting them as distinct assets and then reassembling them all

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back into a scene NVIDIA went ahead and remastered portal into portal rtx using

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this tech and it'll be available as free dlc in november

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honestly this is probably my favorite thing it has today also if someone could

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give valheim the rtx remix treatment you'll be my hero

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what creators will be excited about though is ab1 support and NVIDIA didn't

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even mention it in the presentation but it's there r.i.p arc you never even

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lived one thing i want to circle back on though the pricing i've seen a lot of

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people in the comments respond to the pricing accusing NVIDIA of being super

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greedy and honestly i don't think that's the case

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we know that tsmc's prices have risen by at least 20 maybe even 30 percent

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NVIDIA's 40 80 and 40 90 dies are

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massive i think they plan on releasing these at potentially even higher prices but had

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to rethink it after the whole GPU crash do you really think if this was a super

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profitable release evga would have jumped ship what these prices definitely

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do though is leave the door wide open for AMD's already in a3 because NVIDIA

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probably just can't make them any lower i highly doubt team red will be able to

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take on the 4090 but the rumors suggest AMD could be very competitive against

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the 4080s in performance and destroy NVIDIA and efficiency we'll have to wait

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until november 3rd to find out though but what you can do now is find out who

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Linus so huge thanks for watching and oh one more thing sli it's uh totally dead

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now no fingers at all maybe go and watch this video where me and lioness try and

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get it working on the rtx 3090 uh it was also dead then

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but not officially