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3D Modeling News from the Web

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Nvidia announces eight new professional Ampere GPUs | CGBucket

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Nvidia has unveiled eight new professional graphics cards based on its new Ampere GPU architecture.

The line-up includes two new workstation cards, the RTX A5000 and RTX A4000; four laptop cards, the RTX A5000, A4000, A3000 and A2000; and two new server cards, the A10 and A16.

The RTX A5000 and RTX A4000 supersede the Turing-based Quadro RTX 5000 and Quadro RTX 4000 workstation cards, with Nvidia claiming that GPU rendering is up to 5x faster than with the older cards.

The new products were announced at Nvidia’s GTC 2021 conference, alongside Grace, its new data center CPU, and pricing for Omniverse, the firm’s new online collaboration system.

The RTX A5000 and A4000: new mid-range Ampere workstation GPUs
The latest cards to use the Ampere architecture, the RTX A5000 and RTX A4000 flesh out the mid range of Nvidia’s new generation of workstation GPUs, launched with the high-end RTX A6000 last year.

Unlike with the previous Turing architecture, and its dedicated RT ray tracing cores, Nvidia hasn’t introduced any new hardware types ths time round, though the designs of the existing cores have been updated.

Nvidia describes the Ampere cards’ second-gen RT cores as providing “up to 2x the throughput” of their previous-gen equivalents.

 

Nvidia workstation GPUs
Ampere vs Turing
RTX A4000 Quadro
RTX 4000
RTX A5000 Quadro
RTX 5000
RTX A6000 Quadro
RTX 8000
Architecture Ampere Turing Ampere Turing Ampere Turing
CUDA cores 6,144 2,304 8,192 3,072 10,752 4,608
Tensor cores 192 288 256 384 336 576
RT cores 48 36 64 48 84 72
Compute performance
FP32 (Tflops)
19.2 Tflops 7.1 Tflops 27.8 Tflops 11.2 Tflops 40.0 Tflops* 16.3 Tflops
GPU memory 16GB
GDDR6
8GB
GDDR6
24GB
GDDR6
16GB
GDDR6
48GB
GDDR6
48GB
GDDR6
Memory bandwidth 448 GB/s 416 GB/s* 768 GB/s 448 GB/s* 768 GB/s 672 GB/s
NVLInk No No Yes Yes Yes Yes
Graphics bus PCIe 4.0 x16 PCIe 3.0 x16 PCIe 4.0 x16 PCIe 3.0 x16 PCIe 4.0 x16 PCIe 3.0 x16
TDP 140W 160W 230W 265W 300W 295W
Display connectors 4 x DP 1.4 3 x DP 1.4* 4 x DP 1.4 4 x DP 1.4* 4 x DP 1.4 4 x DP 1.4
Launch date 2021 2018 2021 2018 2020 2018
Launch price ($1,000) $899 ($2,250) $2,299 $4,649* $9,999

 
More bang for the buck than their Turing counterparts
Since both of the new Ampere cards have more CUDA and RT cores than their Turing counterparts, each outpaces its predecessor when it comes to raw compute performance.

However, they also outstrip the Turing cards in most other key metrics: more GPU memory, higher memory bandwidth, PCIe 4.0 instead of PCIe 3.0, and lower maximum power consumption.

Expected street pricing remains similar to the previous-gen cards: up slightly in the case of the RTX A4000; down slightly in the case of the RTX A5000.

Up to ‘5x faster’ than the equivalent Tesla cards in selected GPU renderers
According to Nvidia, those new specs translate into a significant performance over the previous-generation cards when working with compatible GPU renderers.

The firm’s news release quotes Erick Green, 3D lead at vehicle manufacturer Polaris, as saying that viewport rendering in OctaneRender is “5x faster” with the RTX A5000.

Robert Cervellione, studio leader for design technology at architectural practice Woods Bagot is quoted as being “shocked” by the performance gap between the RTX A5000 and the equivalent previous-card card in applications like Chaos Vantage and Nvidia’s own Omniverse, although no exact figure is given.

 

 
New Ampere server and laptop GPUs
Of the other Ampere GPUs announced at GTC 2021, Nvidia describes the new A10 server card (above) as the “little brother” of the A40, its first Ampere data center GPU, announced last year.

It’s a single-slot 24GB card, with performance described as midway between that of the A4000 and A5000.

Its sibling, the A16, is a high-density dual-slot card that packs four 16GB GPUs onto a single card.

The four laptop GPUs – the RTX A5000, A4000, A3000 and A2000 – provide similar improvements over the equivalent Turing cards as their workstation counterparts.

We don’t usually cover mobile GPUs on CG Channel, but you can find a detailed comparison table here.

Pricing and release dates
The new workstation and server GPUs are due to ship later this month. The RTX A5000 has an expected street price of $2,250; the RTX A4000 will cost $1,000. Nvidia hasn’t announced prices for the A10 and A16.

The laptop GPUs will become available in Q2 2021 via third-party laptop manufacturers.

Read Nvidia’s official announcement of its new Ampere professional GPUs

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