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3D Modeling News from the Web

3D Modeling and 3D Design News from the good 'ol internet

Nvidia unveils next-generation RTX 6000 workstation GPU

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Nvidia has unveiled the RTX A6000, the first workstation GPU based on its new Ada Lovelace architecture.

The 48GB card, which provides “2-4x the performance” of the previous-generation RTX A6000, is due to ship in December, and is targeted at markets including CG content creation, GPU rendering and simulation.

The RTX A6000 was announced during Nvidia’s GTC 2022 conference, alongside the GeForce RTX 4080 and 4090, its gaming counterparts, new server and data centre GPUs, and updates to Omniverse.

The first workstation GPU based on Nvidia’s Ada Lovelace GPU architecture
The RTX A6000 is the first workstation card based on Nvidia’s new Ada Lovelace GPU architecture, intended to provide “revolutionary performance for ray tracing and AI-based neural graphics”.

In both cases, the change is evolutionary rather than revolutionary, via updates to the RT ray tracing cores and Tensor AI inferencing cores present in current-generation Ampere GPUs.

The third-generation RT cores in Ada Lovelace GPUs provide “2x the throughput” of their current-gen equivalents, and feature enhancements intended to speed up rendering of ray traced motion blur.

The fourth-generation Tensor cores also deliver “more than 2x throughput” than their current-gen counterparts for tensor matrix operations, and support “more data types” and “new FP8 precision modes”.

The Ada Lovelace cards also feature a new generation of CUDA cores for general-purpose GPU computing, again promising an increase of “up to 2x” in FP32 compute performance.

Other new features of the architecture targeted at professional graphics work include native AV1 encoding, previously only supported in Intel’s new Arc A-Series GPUs.

 

High-end Nvidia workstation GPUs
RTX 6000 RTX A6000 RTX A5500 RTX A5000
Architecture Ada Lovelace Ampere Ampere Ampere
CUDA cores 18,176 10,752 10,240 8,192
Tensor cores 568 336 320 256
RT cores 142 84 80 64
Compute performance
FP32 (Tflops)
TBC 38.7 Tflops 34.1 Tflops 27.8 Tflops
GPU memory 48GB
GDDR6
48GB
GDDR6
24GB
GDDR6
24GB
GDDR6
Memory bandwidth TBC 768 GB/s 768GB/s 768 GB/s
NVLInk Yes Yes Yes Yes
Graphics bus PCIe 4.0 x16 PCIe 4.0 x16 PCIe 4.0 x16 PCIe 4.0 x16
TDP 300W 300W 230W 230W
Display connectors 4 x DP 1.4 4 x DP 1.4 4 x DP 1.4 4 x DP 1.4
Size (H x L) 4.4” x 10.5”
Dual slot
4.4 x 10.5″
Dual slot
4.4 x 10.5″
Dual slot
4.4 x 10.5″
Dual slot
Launch date 2022 2020 2022 2021
Launch price TBC $4,649 $3,600* $2,250

 
Key specifications
On paper, the RTX 6000 is a significant step up from its predecessor, the RTX A6000, the top-of-the-range Ampere GPU.

We don’t yet have an official figure for FP32 compute performance, but its CUDA core count is almost twice that of the RTX A6000, as are its RT and Tensor core counts.

However, graphics memory is unchanged from the RTX A6000 – 48GB of GDDR6 memory – so there will be no increase in the maximum size of 3D scenes that fit into GPU memory during GPU rendering.

Other key specifications like size, power consumption and display connectivity are also unchanged.

 

 
Benchmarks and real-world performance
Nvidia’s press release for the RTX 6000 puts its overall performance at “2-4x” that of the RTX A6000.

That’s also in line with a quoted increase of “up to 2x” in ray tracing performance in Omniverse XR, Nvidia’s new application for viewing production-scale USD assets in virtual or augmented reality.

Outside the firm’s own software, Nvidia’s press briefing today featured positive – if less specific – quotes from renderer developers Chaos and Luxion.

Chaos noted “considerable speedups across our CUDA, RTX and DXR engines” in both V-Ray GPU, V-Ray’s GPU render engine, and real-time rendering tool Chaos Vantage.

Luxion predicted “incredible performance gains” for users of its KeyShot renderer.

Pricing and release dates
The RTX 6000 is due to ship in December. Nvidia hasn’t announced a price yet.

 
Read more about the RTX 6000 workstation GPU on Nvidia’s product website

See more detailed specifications for the RTX 6000 on Nvidia channel partner PNY’s website

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