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NVIDIA laid down some hard truths on the industry Moore's Law is dead they said

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gpus just can't get faster and cheaper the way they used to they said and then

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AMD was like

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that's stupid here's faster gpus for

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cheaper than the last generation God I'm

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introducing the Radeon RX 7900

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XT and XTX I want to make this very

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clear these are not exactly value gpus

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they're still coming in at 900 and a

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thousand US dollars for the XT and the

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XTX respectively but they are significantly less expensive FPS per

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dollar if AMD is to be believed then Team Green and they are a hundred

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dollars less expensive each than the last generation top and almost top cards

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from the 6000 Series so let's go ahead and take a closer look at these bad boys

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it gets even better as we go not only are these cards delivering up to in the

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range of 70 better performance than last

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time around but look at this they come in down right

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you can get them out of the damn box they come in downright reasonable form

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factors wait is this no this is only the XT this is only the XT maybe the XTX is

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an absolute chungus monster but this is this is totally fine here hold on a

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second hold on a second I'm gonna tell you more about it in a minute but first let's pull out an RTX 4080 for

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comparison what the heck I think it's

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fair to say that the 7900 XT has more in

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common physically with an RTX 2060 card

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than the 4080. look at that is that wild or what how did they do that

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well for one thing it's rumored that the RTX 4080 and 4090 were supposed to be

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even power hungrier than they ended up being which might be why the coolers for

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them are so overbuilt for their final tdps the other reason is that as I just

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alluded to AMD's power consumption for these cards is to be clear very high at

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300 and 355 Watts for the XT and the XTX

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respectively but that's still within the range of what you can do in a dual slot

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not quite dual slot almost dual slot but

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only full height card design that's one of the really big ones how much taller

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cards have gotten over the last little while especially if you want to build a

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small form factor machine or something like that you've really run out of high performance options another thing aside

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from performance that we can talk about here is the display outputs we've got

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HDMI DisplayPort other more different DisplayPort and USB type-c on the AMD

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the reference cards but the coolest thing about this is that these

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DisplayPort ports are the new uhbr 10

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DisplayPort 2.1 standard in practice

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that may not end up meaning that much because while AMD does advertise these

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cards as capable of high refresh rate 4K and even 8K gaming even AMD's most

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optimistic advertised numbers here are nowhere near what uhbr10 can do we're

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talking 4K at 480 Hertz and 8K at 165

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Hertz uh I mean it's worth a try but I

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don't think that's going to happen while we're going over the physical attributes

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of the cards power look at that no

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controversial 12 pin power connector dual 8-pin PCIe power connector so you

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won't need an adapter or to change out the cables on your modular power supply

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AMD like NVIDIA has opted for a PCI

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Express Gen 4 by 16 connector so if you

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were hoping to take advantage of your PCIe Gen 5 motherboard in some way it

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will be through storage not through your GPU oh and I admit that having not

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actually paid that close attention to the presentations because

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um other people were working on the coverage I do not know if the XTX is

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physically different or not is it this is a little taller it's a

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little taller it's a taller boy if you wanted to know what 55 Watts looks like

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like that that much more this unboxing is brought

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performance claims though one of AMD's biggest marketing points for the 7000

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series is the improved to Performance per watt that they've made with our dna3

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and they've done this in a number of kind of cool ways so first of all

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they're using a combination of tsmc's five nanometer and six nanometer

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processes to build the first ever triplet GPU there are some functions

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that they can't move off of the main die like compute Hardware Graphics hardware

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and display in media engines that main dies built on tsmc's five nanometer

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process so they can pack as much as possible in and they really did I mean

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this thing's got literally twice as many stream processors as AMD's previous

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Flagship card but they were able to move their gddr6 controllers and other i o

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functions onto these either 5 for the XT

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or six mcds or memory cache dies and the

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reasons for this are twofold one is to save cost and two is to well mostly save

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cost because apparently these functions don't really shrink that well so it just

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wasn't worth it from a from a cost perspective so that's the main reason I

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guess either way the bandwidth between the gcd so that's the main one and the

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mcds is a whopping what is this 5.3

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terabytes a second so that's 900 gigs a

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second per MCD absolutely flipping wild

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one of the other big innovations that AMD has introduced to improve

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performance per watt is decoupled clock speeds so they are apparently running

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the shaders and the front end on these gpus at different speeds so the shaders

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are advertised at a game clock of 2.3 gigahertz while the front end is

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expected to hit in the neighborhood of 2.5 is that for both cards or are those

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clocks different between the two ah yes that's for the XTX so the XT is in the 2

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to 2.4 gigahertz range the reason for doing this is apparently that by backing

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off even just part of the card a little

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bit off of that voltage per frequency curve you can save a ton of power

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without giving up too much in terms of performance AMD has also added dedicated

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AI accelerators to these cards so we're looking at two AI accelerators per

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compute unit but what exactly they're going to be using these for is not clear

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at this time to date AMD does not have

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an AI accelerated dlss competitor but I

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would imagine that something like that wouldn't be too far behind if they're

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putting the hardware out for them AMD does have a pretty okay reputation for

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um well there's sort of two ways to look at this not having fully developed

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drivers at launch or or glass half full way of looking at it really squeezing

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extra out of their cards over their lifespan so it's quite possible that we

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will see big improvements to these cards through AI accelerated rendering tricks

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over the next few years one thing they're using AI for right out of the

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gate is apparently to help their encoding and decoding performance this

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is something that's been been a bit of a thorn in the side of AMD lovers for the

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last well I mean yeah many years

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actually that NVIDIA's end banking coding engine is just a lot better for

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things like game streaming or even just screen capping so that you can share a

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quick tutorial with your friends I'm really hoping that AMD's h.264 and h.265

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are going to be much better performance than before and more than that I'm

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hoping that I don't have to worry about h.264 and h.265 for much longer because

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av1 will just take over and be the industry standard and AMD's av1 encoder

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will be great and that's that's what I'm really rooting for here the XT has 20

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Gigabytes of gddr6 while the XTX has 24

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gigabytes of gddr6 and we're expecting a

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performance Delta between the two of them of somewhere in the neighborhood of

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uh wait is anybody even talking about that yet damn it AMD the XT is going to

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be slower though I mean look at it it's smaller if the volume is anything to go

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by and probably be about say 20 percent

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slower not how that works by the way I think the last big thing you guys need

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to know is that these cards are coming December 13th and we are expecting to

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have a full performance review with power consumption clock speeds FPS all

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that good stuff up at that time so that you guys will know has AMD dethroned

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NVIDIA or not well we all know the answer to that even AMD is not comparing

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these cards to the 4090 but come on that's a sixteen hundred dollar card who

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cares if you could have like 4080 performance for 900 or a thousand

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dollars instead of twelve hundred dollars I think you'd be uh maybe not happy but

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you'll take it just like you'll take the end of this video subscribe to Short

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Circuit