Nvidia GeForce RTX 3090 – Nvidia’s flagship, the Nvidia GeForce RTX 3090, is now the new crown jewel of GPUs.
Capable of heavy gaming and 3D rendering, this massive GPU comes with a lot of power as well as a 24GB of GDDR6x memory hiding behind its huge heatsink.
That makes it capable of delivering fantastic 4K performance with the newest AAA games, and even tackling 8K gaming at 60 fps, though with some hiccups.
Nvidia GeForce RTX 3090
The Nvidia GeForce RTX 3090, therefore, became the sole replacement for the previous generation’s two most powerful graphics cards, the Nvidia Titan RTX and the RTX 2080 Ti. And, while it had some pretty big shoes to fill, you just can’t beat it in terms of performance.
Sadly, the Nvidia GeForce RTX 3090 also comes with a price tag to match, which means that the RTX 3080 and the Radeon RX 6900XT are much more appealing for most mainstream users.
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It’s great for those diving into the best PC games, but because of that steep price, it’s more likely to attract those who need every last ounce of graphics power to render video and 3D animation.
In other words, it’s really only recommended for those who need hardware-accelerated rendering and hardcore enthusiasts who want the absolute best graphics card, price be damned.
Price and availability
The Nvidia GeForce RTX 3090 is available right now, starting at $1,499 (£1,399, around AU$2,030) for Nvidia’s own Founders Edition.
However, this will be the first time Nvidia has opened up a Titan-level card up to third party graphics card manufacturers like MSI, Asus and Zotac, which means you can expect some versions of the RTX 3090 to be significantly more expensive.
It’s hard to pin down whether this is a price increase or a price cut over the previous generation. Compared to the Titan RTX, it’s a massive price cut, where that card cost an outrageous $2,499 (£2,399, AU$3,999) for similar, albeit last-generation, specs.
However, the RTX 2080 Ti, which in some ways still doesn’t have a direct successor, launched at $1,199 (£1,099, AU$1,899). The RTX 3090, then, exists in kind of a middle ground.
The GeForce name suggests that this graphics card is aimed at gamers, but the specs and pricing suggest that it’s more geared towards prosumers that need raw rendering power, but aren’t quite ready to jump into the Nvidia Quadro and Tesla worlds.
Features and chipset
Just like its little sibling, the RTX 3080, the RTX 3090 is built on the Nvidia Ampere architecture, using the full-fat GA102 GPU.
This time around, we’re getting 82 Streaming Multiprocessors (SM), making for a total of 10,496 CUDA cores, along with 328 Tensor cores and 82 RT Cores.
At first glance, the small bump up from the 72 SMs on the Nvidia Turing-based Titan RTX seems like a minor improvement, but one of the most groundbreaking differences with the
Ampere architecture is the ability for both datapaths on each SM being able to handle FP32 workloads. This means that CUDA core counts per SM is effectively doubled, which is why the RTX 3090 is such a rendering behemoth.
The RTX 3090 is also rocking 24GB of GDDR6X video memory on a 384-bit bus, which makes for 936 GB/s of memory bandwidth – that’s nearly a terabyte of data every second.
Having such a huge allocation of VRAM that is this fast means that anyone that does heavy 3D rendering work in applications like Davinci Resolve and Blender will get a huge benefit.
And, when your work involves these applications, anything that can shave time off of project times saves you money in the long term. Combined with the comparatively low cost – at least compared to the Titan RTX – the RTX 3090 is straight up a bargain.
As we mentioned in our RTX 3080 review, both the Tensor cores and RT cores that Nvidia has made such a huge deal of these past couple graphics card generations see big improvements, too.
Namely, throughput of RT cores has doubled with the second-generation ones present on RTX 3000 series cards.
In ray tracing applications, the SM will essentially cast a light ray, then offload ray tracing workloads to the RT cores, where they will calculate where in the scene it bounces, reporting that data back to the SM.
In the past, ray tracing was basically impossible to do in real time, as the SM would be responsible for doing that whole calculation on its own, on top of any rasterization it had to do at the same time.
But while the RT Core takes on a huge bulk of that workload, ray tracing is still a very computationally expensive technology, which means that it still has a heavy performance cost, which is why DLSS is becoming more and more important, both in gaming and in programs like D5 Render.
The third-generation Tensor Cores present in Nvidia Ampere graphics cards have also seen a massive improvement, doubling in speed over the Turing Tensor Core.
However, DLSS performance hasn’t seen a 2x performance bump overall, as each SM now packs a single Tensor Core, whereas Turing had two Tensor Cores per SM.
These Tensor Cores do more than just power DLSS, however. They’re also the technology that enables Nvidia Broadcast, which is by far one of the most underrated features released for this generation.
We have been using Nvidia Broadcast during all of our meetings and late-night Discord hangouts over the last few weeks, and it is phenomenal at both filtering unwanted noise out of your microphone and replacing your background when you’re in the 50th Zoom call of the week, and you have lost all energy and will to clean up.
Now that we’ve all been working from home for so long, and with it looking like that’s going to become the new normal, anything that makes video conferencing less stressful is a huge benefit.
The best part is that this technology is available to anyone with an Nvidia RTX-powered device. However, we have to talk about power consumption. At its peak during our testing, the Nvidia GeForce RTX 3090 consumed a maximum of 357 Watts.
That’s a lot of juice, especially if you’re pairing it with a powerful processor. Nvidia recommends a minimum power supply of 750W, but we would go further and just recommend a full 1,000W PSU with this card, just to be sure you don’t run into any random shutdowns if your power supply isn’t running at peak efficiency.
Founders Edition Design
Just like the RTX 3080, the Founders Edition of the Nvidia GeForce RTX 3090 is hands-down the best cooler design Team Green has ever shipped itself.
While this is an absolutely massive graphics card – the thing is 12.3 inches long, is a 3-slot card, and weighs, well a lot. Look, we don’t have a scale, and Nvidia doesn’t list the weight, but it’s easily more than 7 lb.
Aesthetically it looks very similar to the RTX 3080 Founders Edition, with a black and gunmetal gray color scheme, and fans on either side of the GPU.
The same cooling philosophy applies here – suck air up through the graphics card and exhaust it towards the top of the case. The heatsink also has a ton of surface area, which lends to more efficient cooling.
In order to facilitate this cooler design, the PCB had to be completely redesigned, in order for it to even be possible to pass air through the back of the graphics card.
Because of this, Nvidia implemented a new 12-pin PCIe power connector, rather than the dual 8-pin connectors you may have expected.
At the time of writing there aren’t really any power supplies that natively support this new power connector, though there are some custom cables from the likes of Corsair in the works. Luckily, Nvidia includes a 2 x 8-pin to 1 x 12-pin power connector in the box,
so it’s not something you have to worry about right now. It is a bit unsightly, however, and it’s hard to have the same kind of clean cable setup as you would otherwise.
However, third-party graphics card manufacturers are using the same 8-pin power connector as always, so you can always just go with one of those if you need to.
Because this is a large triple-slot card, you’re going to want to double check to make sure your case can actually support it. Some people with trendy micro ATX and mini-ITX cards will sadly be out of luck.
When it comes to gaming performance, we’re going to just come out and say it – the Nvidia GeForce RTX 3090 is just 10-20% faster than the RTX 3080 at more than double the price.
That increase in performance, if all you’re looking for is a gaming card, is absolutely not worth it, and that’s ok.
This is a card that is primarily aimed at the beginning of 8K gaming and professional 3D rendering applications. That being said, we can’t really talk about the RTX 3090 without talking about 8K gaming.
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Right now, 8K pretty much exclusively exists in the realm of high-end TVs, which means the panels aren’t exactly widespread. That will almost certainly change in the coming years, but right now there isn’t a single gaming monitor that supports the resolution.
We don’t have an 8K display handy, either – the display we use for our 8K performance features is on the opposite side of the Atlantic ocean as our controlled setup for testing computing components.
However, thanks to Nvidia’s Dynamic Super Resolution, or DSR, we can test games in 8K, scaling it back down to the native 4K resolution of the monitor we use for testing.
This comes with a sizable 3-5% performance loss, but otherwise provides a good glimpse at what 8K gaming performance looks like.
As you may be able to discern from the charts above, the RTX 3090 doesn’t provide the straight 8K 60 fps experience in the most demanding games on PC. But like most things, it’s complicated.
The games we selected for testing are there to push the GPU to its limits, so we can compare the performance delta between different graphics cards.
They provide easily repeatable benchmark scripts, so we can be sure the exact same workload is applied to each graphics card.
But you can bet your bottom dollar that we threw this graphics card into our personal machine and tried it across a wide spectrum of PC games, both at 4K and 8K DSR to see how it performs.
In games like World of Warcraft: Battle for Azeroth and Destiny 2, we were able to get a steady 60-70 fps at this extremely high resolution, but with quality settings at high, rather than having all the eye candy turned on.
This isn’t as big a loss as it sounds, as the 24GB of VRAM is enough so that we didn’t have to turn down textures. However, once we start diving into more visually intense single player games like Control and even Dark Souls III,
we typically see frame rates in the 40s – which is definitely still playable performance. So, while we probably wouldn’t advise people start playing games in 8K yet,
this is definitely the first graphics card we’ve ever tested that provides actual playable gameplay at this resolution – similar to how the Nvidia GeForce GTX 980 Ti and the Titan X broke into 4K gaming back in 2015.
That alone makes the Nvidia GeForce RTX 3090 appealing, however. 8K gaming isn’t perfect yet, and it’s definitely not at the point where you can just crank up the settings and forget about it.
For 8K gaming, the Nvidia GeForce RTX 3090 is early adopter tech in every single way – you have to take into consideration that this is the first graphics card that can provide playable frame rates at this high resolution,
so expecting silky smooth gameplay in every game is kind of a pipe dream. It’s impressive that the RTX 3090 can handle this resolution at all.
At 4K, however, the RTX 3090 does provide the level of performance where you can just crank every setting up to max and just forget about it.
Every single game we tried to play with this graphics card at 4K ran like a dream. Final Fantasy XV with everything turned up? 70+ fps – with the stutter that game is infamous for almost completely eliminated thanks to the 24GB frame buffer.
Ditto with Metro Exodus and Control, which were both games that made us constantly conscious about the limits of 4K gaming with the RTX 2080 Ti just a few months ago, now running like an absolute dream with all the eye candy enabled.
Yes, the RTX 3090 only provides a 15% improvement over the RTX 3080. But the kind of people that are going to be buying this card for gaming are the type of person that just wants the bleeding edge tech, price be damned.
And, well, the experience here is definitely premium, even if the price-to-performance ratio won’t make sense for a vast majority of people.
Encoding and Rendering performance
Where the RTX 3090 really shines, however, is in 3D Rendering and encoding, making it hugely compelling to creative professionals that need this level of performance without investing thousands of dollars in a Quadro or Tesla card.
It should be noted that the NVENC encoder is the same here as on the RTX 2080 Ti, which means performance doesn’t change much generation-to-generation.
However, now that this encoder is supported in Adobe Premiere, nearly the entire video production workflow is now accelerated by the GPU, which makes a dedicated GPU incredibly beneficial to video editors.
Encoding a video using the NVENC encoder, rather than through Software cuts the time in half – even when we’re using the 16-core AMD Ryzen 9 3950X paired with 64GB of RAM running at 3,600MHz.
However, while there isn’t really a difference between RTX GPUs in straight encoding performance – as they’re all using the same chip – processing effects do see improvement depending on the GPU you’re using.
With an RTX 3090 in your video editing PC, you should have absolutely no problem playing back video in real time while editing. But where the RTX 3090 really shines is in 3D Rendering through applications like Blender and Autodesk Maya.
In fact, while in games the RTX 3090 is around 50% faster than the RTX 2080 Ti, the 3090 is nearly twice as fast as the Turing flagship in Blender, rendering through the benchmark in just 229 seconds to the RTX 2080 Ti’s 438 seconds.
That’s a 91% improvement, thanks in large part to the sheer amount of VRAM and FP32 performance on offer here. By pricing this graphics card at the $1,499 (£1,399, around AU$2,030) price point, rather than just putting it at the same price that the Titan RTX launched at,
Nvidia may be making strides to democratizing the kind of 3D Rendering performance that will let people try their hands at 3D animation without having to invest in extremely expensive hardware.
Maybe next generation, the xx80 card can deliver this kind of rendering performance to make it even easier for the layperson to do 3D content creation. But, hey, at least it’s more accessible now than ever before, and we’ll consider that a win.
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