October 18, 2023 Yen Lily

Compare RTX 4090 vs RTX 6000 Ada vs RTX A6000 for content creation

Along with RTX4000 series like RTX4090, Nvidia has released a new workstation graphics card RTX 6000 Ada, with the same architecture Ada Lovelace. We have seen many comparison of RTX 6000 Ada and RTX A6000 (the older generation), but no comparison of three of them. In this article, let us collect the information and compare RTX 4090 vs RTX 6000 Ada vs RTX A6000 for content creation for you.

Technology overview and comparison RTX 4090 vs RTX 6000 Ada vs RTX A6000

RTX4090 vs RTX 6000 Ada, the latest GPU of Nvidia, are based on Ada Lovelace architecture, while RTX A6000 is on the last generation Ampere architecture. The new architecture will introduce to you a new generation of RT cores for real-time ray tracing, Tensor cores for machine learning acceleration, and CUDA cores for basic graphics computations.

The clock frequency is for GPU clock speed, with higher means faster processing. RTX 4090 based clock is surprisingly higher RTX 6000 Ada and RTX A6000. However, the boost clock of RTX 4090 is slightly slower than 6000 Ada.

The memory bandwidth will determine how fast it can move data from/to memory to the computation cores. If it’s high, there’s little chance of bottleneck because thousand of GPU compute cores do not have to wait for a memory response. In the table above, we see RTX 4090 has the highest bandwidth with 1008Gb/s, while 6000 Ada and A6000 is slower with 960Gb/s and 768Gb/s respectively.

The graphics features of the three GPUs are kind of the same, with RTX4090 vs RTX 6000 Ada’s CUDA is 8.9, while A6000 are 8.6.

Render config comparison

Come to the render config, you should pay attention to three different types of processing:

        • CUDA Cores (Shading units): more CUDA cores or shading units means faster processing of different aspects of the image.
        • Tensor cores can accelerate the speed of matrix multiplication. It has more applications in machine learning or deep learning, but it also affects the creation of 4K graphics or videos.
        • RT cores is responsible for Real-time ray tracing, a technology that mimics the physical behavior of light rays, delivering a higher-quality and more photorealistic results than other technology. More RT cores means the GPU can do the math of ray-tracing quicker than the others.

RTX 6000 Ada is on the next level, when its CUDA cores are about 1.1 times higher than RTX 4090, and 1.7 times higher than A6000. Same result goes for Tensor cores and RT cores.

Other things you should keep an eye on are TMUs and ROPs.

        • TMUs take textures and map them to the geometry of a 3D scene. More TMUs will mostly mean that texture information is processed faster.
        • The ROPs are responsible for some of the final steps of the rendering process, writing the final pixel data to memory and carrying out other tasks such as anti-aliasing to improve the look of graphics.

RTX 6000 Ada is performing great, while its TMUs and ROPs are about 1.1 and 1.7 times greater than RTX 4090 vs RTX A6000 respectively.

See this result, we hope that 6000 Ada will perform great when testing with content creation applications.

Theoretical performance comparison

The floating-point performance (TFLOPS) helps you determine the raw power of the GPU. And here, you can see a great improvement when comparing 6000 Ada with A6000, as it is 2.4 times higher. When compared to RTX 4090, it’s only 1.1 times higher.

Testing on content creation applications

In general, there are specifications where 6000 Ada will outperform RTX 4090 and A6000. However, RTX 4090 has some specifications which are higher and better than 6000 Ada. It’s really hard to say which graphics card is the best. Now let’s test it with some content creation application. We would look into some benchmark tests of Redshift, Octane, V-Ray, Unreal Engine, Blender, DaVinci Resolve and Premiere Pro to have an answer.

Testing on Redshift

This test is conducted by pugetsystems.com, comparing 6000 Ada and A6000. I took the result of RTX 4090 from tomshardware.com and made a chart to visually see how RTX 4090 outperforms other graphics cards. With RTX on and the same amount of work, while RTX4090 finishes in 1 min 16 secs (76 seconds), 6000 Ada could take 1 min 27 secs (87 seconds, about 1.14 times slower). A6000 is clearly the slowest with the result of 2 mins 39 secs (159 secs), about 2 times slower than RTX 4090.

It’s a surprising result, because we expect 6000 Ada to be the fastest. RTX4090 will outperform A6000, no doubt about that as it’s the new architecture and it has many specification updated. However, the result of 6000 Ada with the same architecture as RTX 4090 really makes us wonder why.

Testing on Octane

Once again, RTX4090 scores 1292 points, double the score of A6000, promising to have the processing and rendering speed faster than what you could expect from the old Ampere architecture GPU.

RTX 6000 Ada, while being about 83% faster than A6000 old generation, is not faster than RTX4090. Its score is only 1146 points,  making it 1.13 times slower than RTX4090.

Testing on V-Ray

This time for V-Ray testing, RTX4090 still scores the highest, 5564 points. 6000 Ada scores 5399 points, if we calculate the difference is not much between these two cards.

RTX A6000, once again is the slowest, only scores 2710 points. It’s about 2 times slower than RTX4090, and 1.9 times slower than 6000 Ada.

Testing on Unreal Engine

This test is conducted on Unreal Engine 4.26. The average frames per second of A6000, 6000 Ada and RTX 4090 are 46.3 – 74 – 92.5 repsectively. It means that within a second, RTX 4090 can generate around 92.5 frames, and it’s more than A6000 about two times. 6000 Ada card frame rate per second is about 60% more than A6000, and 20% less than RTX 4090.

Although working on a daily project, we will not need the framerate as high as possible. However, this could ensure you to have a desired framerate while putting in more geometry and effects in the scene. And in this test, RTX 4090 still perform superior ability to generate the highest FPS.

Testing on Blender

In this Blender 3.4 test, we see a close result of RTX 4090 vs RTX 6000 Ada (12779 and 12728 scores respectively). Both score 2 times higher than A6000.

However, if we calculate it and compare, RTX 4090 scores about 0.4% higher than 6000 Ada. It’s only a very small amount, but we know that RTX4090 is still the best among three cards.

Testing on DaVinci Resolve

Come to DaVinci Resolve test, finally we see one where 6000 Ada surpasses RTX 4090. I only took the overall score. In the breakdown tests, pugetsystems has tested with GPU effects, Decoding and encoding of interframe codecs like H.264 and HEVC, RAW codecs like RED and BRAW.

DaVinci Resolve is a program for post-poduction, which helps you to edit, correct color, do VFX or motion graphics, so it will need as many VRAM as possible for visual processing. So it’s no doubt when 6000 Ada scores higher than RTX 4090, but only in a small margin (2975 compared to 2960). A6000 still score lowest (2648 points), about 12% lower than the new architecture cards.

Testing on Premiere Pro with RTX 4090 vs RTX 6000

Premiere Pro see the scores quite close among three cards. The result is also an overall score from many other tests of pugetsystems. Here RTX 4090’s score is only marginally higher than 6000 Ada (1505 vs 1498). Both will perform better than A6000, which only scores 1379. However, Premiere Pro does not utilize GPU as much as DaVinci Resolve, but it’s more CPU-focused. Therefore you should only pay attention to GPU if your project has many effects.

Which one is the best GPU for content creation?

According to the tests above, we see RTX 4090 being on top of 6 out of 7 tests, from rendering engines (Redshift, Octane, V-Ray), to software (Blender, UE), to post-production program like Premiere Pro. Only DaVinci Resolve has different result, where 6000 Ada scores highest spot, but it’s not a big margin if compared to RTX 4090.

At the beginning, we hope that 6000 Ada, with its new architecture and more CUDA, tensor and RT cores, will have a big leap in performance. However, it’s not like that. Seem like the only improvement is the VRAM. 48GB VRAM is very suitable for any huge projects which deal with a large number of assets, high resolution texture maps, etc. Other than that, the performance is just about more or less than RTX 4090.

Some people says that because 6000 Ada and A6000 are workstation cards and better for AI & Machine learning, while RTX 4090 is gaming card and works better at rendering overall. It could be an explanation, as I have encountered some of my clients working with 48GB VRAM card but cannot render. When they use RTX 4090, it works flawlessly. One of them even say that they optimize the scene, and if the scene fits into 24GB VRAM of RTX 4090, the speed is better than their 48GB VRAM graphics card.

Of course 6000 Ada and A6000 still have their own advantages, but the drawbacks are visible. 6000 Ada is new architecture, has more VRAM, consumes less power, but the price is 4 times higher than RTX 4090, and no NVLink supported. A6000 has more VRAM, consumes less power, costs cheaper, support NVLink but is a lot slower in performance.

Above is our compare RTX 4090 vs RTX 6000 Ada vs RTX A6000 for content creation. Hope you can find the suitable one for your demand.

I’m not saying that RTX 4090 is superior or the best choice in every cases. The tests above are benchmarks to show how three graphics cards will perform in general. It really depends on what you need and your tasks and workflows. If your work requires huge amount of VRAM, and you can deal with a loss in speed, go for 6000 Ada and A6000. If you expect a great speed with a more reasonable price, RTX 4090 is what you should consider.

Speed up your rendering with iRender’s RTX4090

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Let’s see how our RTX4090 performs when rendering with Redshift, Octane, V-Ray, Blender and Unreal Engine:

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Thank you & Happy Rendering!

Source: techpowerup.com, pugetsystems.com, tomshardware.com

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Yen Lily

Hi everyone. Being a Customer Support from iRender, I always hope to share and learn new things with 3D artists, data scientists from all over the world.


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