[AnandTech] NVIDIA Announces PCIe A100 Accelerator: 250 Watt Ampere In A Standard Form Factor - Overclock.net - An Overclocking Community
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[AnandTech] NVIDIA Announces PCIe A100 Accelerator: 250 Watt Ampere In A Standard Form Factor

 
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post #1 of 4 (permalink) Old 06-22-2020, 10:59 AM - Thread Starter
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[AnandTech] NVIDIA Announces PCIe A100 Accelerator: 250 Watt Ampere In A Standard Form Factor

Source: https://www.anandtech.com/show/15867...rd-form-factor

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With the launch of their Ampere architecture and new A100 accelerator barely a month behind them, NVIDIA this morning is announcing the PCIe version of their accelerator as part of the start of the now-virtual ISC Digital conference for high performance computing. The more straight-laced counterpart to NVIDIA’s flagship SXM4 version of the A100 accelerator, the PCie version of the A100 is designed to offer A100 in a more traditional form factor for customers who need something that they can plug into standardized servers. Overall the PCIe A100 offers the same peak performance as the SXM4 A100, however with a lower 250 Watt TDP, real-world performance won’t be quite as high.

The obligatory counterpart to NVIDIA’s SXM form factor accelerators, NVIDIA’s PCIe accelerators serve to flesh out the other side of NVIDIA’s accelerator lineup. While NVIDIA would gladly sell everyone SXM-based accelerators – which would include the pricey NVIDIA HGX carrier board – there are still numerous customers who need to be able to use GPU accelerators in standard, PCIe-based rackmount servers. Or for smaller workloads, customers don’t need the kind of 4-way and higher scalability offered by SXM-form factor accelerators. So with their PCIe cards, NVIDIA can serve the rest of the accelerator market that their SXM products can’t reach.

But because the dual-slot add-in card form factor is designed for lower TDP products, offering less room for cooling and typically less access to power as well, the PCIe version of the A100 does have to ratchet down its TDP from 400W to 250W. That’s a sizable 38% reduction in power consumption, and as a result the PCIe A100 isn’t going to be able to match the sustained performance figures of its SXM4 counterpart – that’s the advantage of going with a form factor with higher power and cooling budgets. All told, the PCIe version of the A100 should deliver about 90% of the performance of the SXM4 version on single-GPU workloads, which for such a big drop in TDP, is not a bad trade-off.
90% of the performance of the SXM4 version while using 38% less power.

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post #2 of 4 (permalink) Old 06-23-2020, 03:55 AM
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I wonder if you can OC it to get back those 10%.


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post #3 of 4 (permalink) Old 06-23-2020, 06:36 AM
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will there be reviews of this product? Also can we draw any inferences about GA 102 based on these products

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post #4 of 4 (permalink) Old 06-23-2020, 06:52 AM
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Quote: Originally Posted by WannaBeOCer View Post
Source: https://www.anandtech.com/show/15867...rd-form-factor



90% of the performance of the SXM4 version while using 38% less power.
That does not make sense at all. There is no way Nvidia would try to get that last 10% of the performance for 150W unless they had competition from someone else.

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