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1611487820 IceGiant ProSiphon Elite Monstrous 2kg CPU Cooler Enters the Market 1611487820 IceGiant ProSiphon Elite Monstrous 2kg CPU Cooler Enters the Market

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IceGiant ProSiphon Elite Monstrous 2kg CPU Cooler Enters the Market

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At the end of 2019, we learned about the IceGiant ProSiphon Elite CPU cooler. At that time, the prototype of the product was still striking in size, weighing 2.2 kg and technology, new for this segment. Recall that the cooler is based on a two-phase cooling system with a dielectric liquid without any pumps or pumps. The principle of operation is exactly the same as in the case of conventional heat pipes: near the CPU, the liquid heats up, evaporates and rises up to the radiator, where it cools, condenses and goes back to the processor. Everything happens under the influence of gravity, so apart from replaceable fans there is nothing here that could fail.

At that time, the prototype showed not the most impressive performance, since it cooled the CPU only slightly better than the many times more compact Noctua NH-U14S TR4-SP3.

And now IceGiant ProSiphon Elite has finally reached the shelves. The monster costs 185 euros or 170 dollars for the US market. It still supports all current sockets, including AMD TR4, it still allows you to install four fans, but the cooler has become more compact and lighter.

IceGiant ProSiphon Elite Monstrous 2kg CPU Cooler Enters the Market

Its dimensions with fans are 164 x 251 x 104 mm with a weight of 2 kg, although the manufacturer promised to reduce it to 1.29 kg. The fan speed can reach 2300 rpm, the noise level is 32.2 dBA. And the manufacturer also provides the novelty with a 10-year warranty, and it also applies to fans.

As for performance, a review was released on the Linus Tech Tips channel back in November last year, apparently already a pre-production sample. There, by the way, you can see how much smaller the cooler has become relative to the prototype, while maintaining performance.

Overall, it can be seen that the IceGiant ProSiphon Elite is really capable of more than many other air cooling systems. And if the loads become extreme, then this cooler is already much more efficient than the same Noctua NH-U14S TR4, catching up with liquid cooling systems. True, the giant is still noticeably louder than the same Noctua cooler, but the author of the review says that the absolute values ​​still do not allow calling the new product too noisy.

At the same time, it is also clear from the review that there is no point in using IceGiant ProSiphon Elite with conventional processors – it is intended for very hot HEDT solutions.

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The GeForce RTX 4080 can also be overclocked to incredible frequencies. Galax RTX 4080 SG took the frequency over 3.6 GHz on the core

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The GeForce RTX 4080 can also be overclocked to incredible

Galax continues to prove that they are one of the best when it comes to overclocking graphics cards. After the departure of EVGA, Galax as a whole is probably the only company that places a strong emphasis on this direction.

The GeForce RTX 4080 can also be overclocked to incredible frequencies.  Galax RTX 4080 SG took the frequency over 3.6 GHz on the core

The GeForce RTX 4080 SG model was able to overclock to a frequency of over 3.6 GHz on the core. More precisely, we are talking about a frequency of 3615 MHz. This is slightly less than the RTX 4090 HOF at 3.8 GHz, but it’s still an incredible figure. Especially if you keep in mind that the GeForce RTX 4080 SG is no match for the HOF versions. At the same time, it is not yet known whether Galax will release the RTX 4080 HOF.

The GeForce RTX 4080 can also be overclocked to incredible frequencies.  Galax RTX 4080 SG took the frequency over 3.6 GHz on the core

Galax, unfortunately, does not disclose overclocking details, but it can be assumed that we are talking about the use of liquid nitrogen, as in the case of extreme overclocking RTX 4090 HOF.

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When the GeForce RTX 4090 is a wolf in sheep’s clothing. Card consumption can be reduced by 33% by sacrificing 8% performance

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When the GeForce RTX 4090 is a wolf in sheeps

Contrary to early leaks and rumors, the GeForce RTX 4090 turned out to be very energy efficient and even more economical than the RTX 3090. But Nvidia’s new product can be made even less voracious.

When the GeForce RTX 4090 is a wolf in sheep's clothing.  Card consumption can be reduced by 33% by sacrificing 8% performance

The authors of the QuasarZone resource decided not only to achieve less power consumption from the RTX 4090, but also to achieve this in two different ways. The first is reducing the power limit, but the second is more complex – it is undervolting or reducing the voltage on the GPU.

When the GeForce RTX 4090 is a wolf in sheep's clothing.  Card consumption can be reduced by 33% by sacrificing 8% performance

When the GeForce RTX 4090 is a wolf in sheep's clothing.  Card consumption can be reduced by 33% by sacrificing 8% performance

As you can see from the diagrams, both methods are effective, and in both cases you can achieve an impressive reduction in power consumption with a slight drop in performance. In the case of power limit management, power consumption can be reduced to 268 W, with a loss of only about 6% of performance. Reducing the voltage allows you to achieve power consumption of only 232 watts, sacrificing less than 8% of performance.

Thus, the RTX 4090 can be turned into a mid-range card in terms of power consumption, while keeping its monstrous performance almost unchanged.

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For some reason, new Intel processors do not support DLVR technology, designed to reduce power consumption

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For some reason new Intel processors do not support DLVR

Intel was expected to endow Raptor Lake processors with DLVR (Digital Linear Voltage Regulator) technology. Information about it appeared last year. However, it has now become known that current Intel CPUs do not support it.

For some reason, new Intel processors do not support DLVR technology, designed to reduce power consumption

Information about DLVR was neither in Intel’s presentation, nor somewhere on the site describing Raptor Lake. However, the CPU DLVR Bypass Mode Enable item has appeared in the new BIOS of Asus motherboards. True, its activation does not lead to anything.

For some reason, new Intel processors do not support DLVR technology, designed to reduce power consumption

One of the overclockers from the Asus team said that the technology does not work because Intel eventually disabled it in the new generation of processors. For what reasons, it is not clear, but from the tests we know that, perhaps, in vain, since Raptor Lake turned out to be even more voracious than Alder Lake. However, next-generation CPUs may well support the new technology already fully, however, there is no clarity on this matter.

DLVR is a digital linear voltage regulator that complements the main one. This should allow a significant reduction in energy consumption.

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