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Rumour: the new RTX Ampere is getting hotter and hotter

Rumour: the new RTX Ampere is getting hotter and hotter

As soon as the first leaks appeared on the next RTXs, among numerous pieces of information to be sorted out, one seemed to be the consensus: the top of the range RTX 30XX could heat up enormously.

RTX

First of all, is the engraving process which lets us predict that Nvidia would have some worries on this point. Then the cooling system of the Founders Edition seemed to have bothered the chameleon.

Today according to Igor’s Lab, the top of the range RTX (we don’t know yet if it’s the 3090 or the 3080) would need no less than 20 phases of power supply on the PCB, of which 10 phases are concentrated on the GPU power supply (NVDD), 6 phases power other components (MSVDD) and 4 phases are used to power the GDDR6X memory. Most of this heating problem would be caused by the GDDR6X.

The GDDR6X gets very hot

Although the GDDR6X provides a significant performance gain compared to the GDDR6, the counterpart would be power consumption and heating. Indeed, it seems difficult to cool this memory by air, where the hottest module could reach 98° C.

This situation would confirm the rumors of the Founders’ design overcharge. A priority, the cost price of the cooling system of the Founders Edition models would be about 150 to 155 dollars, a high price because of the unusual design that it presents and that seeks to effectively cool all the components.

RTX Ampere cooling

The situation would also be complex for Nvidia’s partners, particularly in designing maps that are of a reasonable size. It seems thus acquired that these cards should exceed the 3 slots of congestion. With a design where the memory is distributed on both sides of the PCB, it seems difficult to have a finer design on these RTX Ampere models. This may require the development of a “home-made” PCB to really take advantage of the new GPU. The watercooler versions should be massively present on this version in a second step. Impossible in these conditions to see really optimal custom boards in the first months of Ampere’s life.

This situation could impact the performance

While we are only a few days away from the official launch of the new RTX, a lot of information within Nvidia’s partner brands indicates that the final GPU frequency is not yet finalized. No definitive BIOS’ are circulating among the partners’ engineers (AIC ) and all of them confirm that the final clock speed has not yet been communicated by Nvidia. Under these conditions, the scores that leak here and there are either bogus or to be strongly relativized.

It now remains to be seen not only if this situation will be found on other models but also how it will impact the prices of this generation.

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OCC_FrTeam

Edited by Calliers

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