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It’s a double height board, with a max power consumption of 230W which it draws from the PSU via an 8-pin PCIe connector, but it’s still available in compact towers. Nvidia RTX is being used to massively accelerate classic viz focused ray trace renderers like V-Ray, KeyShot and Solidworks Visualize, which we test below. However, some of the more exciting developments are coming from the AEC sector in tools like Enscape, Chaos Vantage and Unreal Engine, which really make ray tracing ‘real-time’. Vantage, for example, is built from the ground up for real-time ray tracing so can maximise the usage of RT cores within the new GPUs.
It’s been just over two years since Nvidia introduced ‘Turing’ Nvidia Quadro RTX, its first pro GPUs with RTX hardware ray tracing. Nvidia’s new Ampere-based pro GPUs, the Nvidia RTX A4000 and RTX A5000, offer a big step up from the Turing-based Quadro RTX family. With more memory and significantly enhanced processing, they promise to make light work of demanding real-time ray tracing, GPU rendering and VR workflows. While most CAD applications won’t benefit from any GPU more powerful that the Nvidia Quadro P1000 or P2200, Solidworks 2021 is an exception. By using OpenGL 4.5, a more modern version of the popular graphics API, more algorithms can be pushed onto the GPU so there is a benefit to higher performance GPUs. The performance leap from ‘Turing’ to ‘Ampere’ (Quadro RTX 4000 to RTX A4000) is nothing short of impressive. In real-time 3D, a 45% to 60% boost, generation on generation, seems typical, with even bigger gains from real-time ray tracing when the enhanced RT and Tensor cores come into play. The step up from the four-year old ‘Pascal’ Quadro P4000 is simply phenomenal, especially for GPU rendering.
Both cards offer more memory than their consumer GeForce counterparts, are standard issue in workstations from Dell, HP and Lenovo, and come with pro drivers with ISV certification for a wide range of CAD/BIM applications. The RTX A5000 Mobile is a professional mobile graphics chip by NVIDIA, launched on April 12th, 2021. Built on the 8 nm process, and based on the GA104 graphics processor, the chip supports DirectX 12 Ultimate. The GA104 graphics processor is a large chip with a die area of 392 mm² and 17,400 million transistors. It features 6144 shading units, 192 texture mapping units, and 96 ROPs. Also included are 192 tensor cores which help improve the speed of machine learning applications. The card also has 48 raytracing acceleration cores. NVIDIA has paired 16 GB GDDR6 memory with the RTX A5000 Mobile, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 900 MHz, which can be boosted up to 1575 MHz, memory is running at 1750 MHz (14 Gbps effective). Which is the best CPU for design-centric workflows – from CAD and BIM to reality modelling and rendering
There is no more Max-Q variant (formerly used for the low power variants) but every OEM can choose to implement Max-Q technologies (Dynamic Boost, Whispermode). Meanwhile, Nvidia's mobile RTX series of professional graphics cards receive the most attention, with the chipmaker adding up to six new models. The latest additions include the RTX A5500, RTX A4500, RTX A3000 12GB, RTX A2000 8GB and RTX A500.
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The results were impressive. In the CUDA test, the Nvidia RTX A4000 was 1.62 times faster than the previous generation Nvidia Quadro RTX 4000 and in the RTX test 1.70 times faster. The lead over the Pascal-based Quadro P4000 was nothing short of colossal – 3.53 times faster in the CUDA test. As the P4000 does not have dedicated RT cores, it could not run the RTX test. Remotely monitor and manage NVIDIA professional products in your enterprise by integrating the NVIDIA Enterprise Management Toolkit (NVWMI) in your IT asset management framework.
Nvidia still has some work to do to flesh out its Ampere family. While mobile workstations already have entry-level RTX A2000 and A3000 GPUs, there’s no equivalent for desktops. Ensure hardware compatibility and stability through NVIDIA support of the latest OpenGL, DirectX, Vulkan, and CUDA standards, deep independent software vendor (ISV) developer engagements, and certification with over 100 professional software applications.The raw performance should be similar to the GeForce RTX 3080 for laptops at the same TGP level. Both GPUs depend heavily on good cooling and a high TGP for good performance. At a similar power consumption level the RTX A5000 should be clearly faster than the old Quadro RTX 5000and 5000 Max-Q. The desktop variant of the A5000 however, is a lot faster. The GA104 chip is manufactured by Samsung in 8nm (8N), which is not quite able to keep up with the 7nm node at TSMC (e.g. used by AMD and also for the professional GA100 Ampere chip). While GPU rendering is a major play for the Nvidia RTX A4000 and Nvidia RTX A5000, real-time 3D using OpenGL, DirectX and (in the future) Vulkan continues to be a very important part of architectural visualisation, with applications including TwinMotion, Lumion, Enscape, Unreal Engine, LumenRT and others.
NGC support gives engineers, researchers, and data scientists access to NVIDIA-tuned, tested, certified, and maintained containers for the top deep learning frameworks, as well as third-party managed high-performance computing (HPC) containers, NVIDIA HPC visualization containers, and partner applications. Rich, Expansive Visual Workspace DisplayPort 1.4, HDMI 2.1, PCIe 4.0 x16, 21.7 SP-FP TFLOPS Peak, 174 Tensor Performance Peak, up to 448 GB/s Memory Bandwidth, Resizable BAR, Support for Modern Standby
The new 12 GB ‘consumer’ GeForce RTX 3080 Ti, for example, might have half the memory of the Nvidia RTX A5000, but offers more performance on paper for half the price. Nvidia even has a GeForce Studio driver for applications including Enscape, Unreal Engine and V-Ray.
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