ITS HERE – NVIDIA RTX 3090, RTX 3080 and RTX 3070 Explained

by birtanpublished on October 5, 2020

So nvidia's ampere graphics cards for gaming have finally been unveiled to the entire world for everybody to see and it looks like it's gonna be a really really busy season for all of us as always i was expecting jensen to show up in his fancy leather jacket and sure he did uh in fact i am really interested to pick one up for myself but besides the point um he did walk us through the architecture behind ampere and what that's gonna be powering in fact we're getting three graphics cards the rtx

3090 the rtx 3080 and the rtx 3070 this is all gonna be part of nvidia's current gpu lineup for the foreseeable future so that means new car designs new power connectors the specs are just crazy the pricing has also been unveiled and some new interesting features as well so we're going to break it down into this video as much as we can right after this say hello to proper airflow with be quiet purebase 500dx a compact mid tower with a mesh front panel and three 140 millimeter pure wings two fans that

Are silent and capable enjoy tasteful argb illumination a type c port and an easy case to work in check it out below alright so let's start off with the specs and from an overall perspective nvidia essentially took the touring architecture and then optimized its design from the ground up and then super sized it so now you're getting more cores higher memory speeds some new rtx features and some eye watering prices as well meanwhile everything operates at higher efficiency but even when combined with a

New manufacturing process they're supposed to consume a lot of power and that means tons of heat now we can't get into the underlying architecture right now but it seems like nvidia has made some fundamental changes to the cuda cores so while in some cases you'll see a doubling in cuda cores it won't necessarily mean that you're going to get double the theoretical performance we'll cover that a little bit later when the ndas are up so let's start at the very top and that's the rtx

3090 flagship which is meant to be an titan rtx replacement it's got 10 496 cuda cores 24 gigabytes of gddr6x memory operating at 19 gigabits per second and it's rated at a massive 350 watts the power consumption isn't unheard of since amd's rx vega liquid cooled edition ate up about 345 watts but it's still a huge jump from the 280 watt titan and then there's the price yeah asking fifteen hundred dollars for a single graphics card might sound nuts but you can't forget

Nvidia sold almost every 1200 rtx 2080 ti they could make and the titan rtx ultimate was about 2500 so yes there's certainly a market out there for uber expensive gpus but there's also the rtx 3080 which steps things down a bit this gpu is supposed to be putting a beating on the rtx 2080 ti due to the new architecture faster memory and other optimizations it has 8704 cores 10 gigabytes of gddr6 x memory running at 19 gigabits per second and a board power of 320 watts so that's a lot more power than the 2080

Ti less memory and a narrower interface but still more bandwidth due to the overall memory speed and pricing for this well it's actually not that bad at seven hundred dollars if you take into account you're supposed to be getting better than 2080 ti level performance this might be an interesting option for someone who's still rocking a gtx 1080 ti or 1080 but we'll have to see how it performs in actual gaming when compared to the rtx 2080 super which was also launched for 700 well there's just no comparison you get more

Cores more memory a wider interface faster memory the list just goes on but that power consumption is actually pretty brutal the rtx 3080 and rtx 3090 will be available on september the 17th technically now nvidia is really turning things on their heads with these new cards cooler designs i mean of course the rtx 3090 will produce tons of heat and nvidia didn't want to make use of a clunky liquid cooler design like amd did with the rx vega 64. so this isn't a small change in any way

It's a big shift in how cooling is handled but it also raises some concerns about case design and temperatures of other components what they did is use computer modeling to see what the perfect airflow design would be for the gpu and found that the current examples weren't efficient so everything from the ground up was modified the pcb fans heatsink and even the software that controls fan speeds needed to be studied and the end result is something very very different and it's

Massive instead of the downdraft style dual fan layout that traps hot air in a narrow space between the pcb and the fans this new cooler design opens things up a lot each of the fans have a dedicated heatsink and heat pipes while the pcb is sandwiched in between the fans are still designed to suck air from the enclosure's bottom but there's a twist there's now a single fan placed within the back plate that pushes cool air upwards

Through the heatsink and on towards the top of the case then there is another fan drawing in air from near the case's back and then that's pushed into a different fin array and exhausted outside the case the cooling design is a massive piece of engineering but there's different sizes for the 3090 and 3080 the 3090 takes up three slots and it's 12.3 inches long while being a beefy 5.4 inches wide the 3080 on the other hand is a double slot and

Only 11.2 inches long and 4.4 inches wide which makes it smaller than the rtx 2080 founders edition now this is where i need to express my concerns with this design i hate the fact that hot air is being pushed towards the cpu area because that's definitely going to affect the vrms and of course processor temperatures so you'll definitely need amazing airflow to make this thing work otherwise it's going to affect the rest of the system components it's also obvious that these cards are

Engineered to be installed in the standard horizontal orientation instead of mounting it vertically because if you install the 3090 vertically one of the air intake fans is going to be is going to be so closer to the side window which is going to be a choking hazard and then you have the other fan that's just blasting hot air to the motherboard so now you just create you just created yourself a hot zone between the side window the gpu and of

Course the rest of the components it's just not optimal at least from the way how you look at things but again it'll be really interesting to see and test out different configurations with this new design i'm really curious to get my hands on this and just run a bunch of tests so definitely stay tuned for that the rtx 3070 was also announced and even this gpu is supposed to outperform the rtx 2080 ti though i assume that's with ray tracing and other rtx specific features enabled but on paper its specs are actually pretty close to the rtx 2070 super

Though it has more cores same amount of memory type and a 256 bit interface and although nvidia didn't say what the actual memory speed it could be i'm hoping it's 16 gigabits per second it's also a pretty compact card at just 9.5 inches and it has a very typical downdraft cooler design since nvidia didn't need something high-end to cool this thing the price is still 500 like the super but based on this i really have to wonder about limiting

It to 8 gigabytes of memory another thing nvidia did is completely redesign the power connector in order to save space and increase the potential input current while also optimizing for clean power delivery the dual 8 pin connectors are gone and in their place is a single super compact 12 pin that's placed at midpoints of all cards now i'm not sure if there are any power supplies in the market that offer 12 pin cables but it looks like nvidia will be offering

Dual 8 pin 2 12 pin adapters with some of these cards another thing i noticed is that the specs still list displayport 1.4 a instead of the newer 2.0 spec that means it'll be limited to 8k 60hz or 4k 120 even when using display stream compression we've already encountered limitations on some current monitors so this isn't great news for future monitors on the other hand nvidia has added hdmi 2.1 which technically offers all the way up to 10k 100hz

Or 120hz so does this mean nvidia is focusing on hdmi going forward who knows but what about performance well with these type of presentations they only show select number of benchmarks and again like i said this one wasn't any different because of the optimizations in the tensor and rt cores there's going to be a really large performance improvement in situations that involve ray tracing and ai that's understandable since

One of the major issues with first generation gpus was how much games bogged down when nvidia's super hyped features were turned on the last thing i want to talk about is rtx i o and it could be a game changer if developers decide to utilize it it aims to speed up the gpu's access to compressed game data by bypassing the cpu for decompression basically pci gen 4 ssds can feed information to the system faster than most current processors can handle so finding a way around that bottleneck

Is pretty critical for optimal performance in next-gen games and this could also be a big deal for lowering cpu requirements in the future of course so that pretty much wraps this up for the time being obviously there's a lot more questions that still need to be answered in fact as we were watching the presentation we raised a lot more questions than getting answers so there will be answers very soon but until then exciting stuff from nvidia i'm really curious to get my hands on them and of

Course we're going to have a lot more content with the new ampere graphics cards let me know what you guys think in the comments and i'll talk to you guys in the next one

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