Putting The NVIDIA RTX 4090 On A Diet, Performance At 450 W And 600 W

Placing The NVIDIA RTX 4090 On A Eating regimen, Efficiency At 450 W And 600 W

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Watt’s Up With That 12VHPWR

The NVIDIA RTX 4090 is an immensely highly effective and energy hungry card, to the purpose the place the web is aflame with rumours of flamable 12VHPWR connectors.  TechPowerUp was curious as to the distinction that will be seen utilizing a local 600W 12VHPWR connector versus connecting three eight pin PCIe energy connectors to the 450W 12VHPWR adapter.  It’s value noting that they ran their assessments on a 1000W PSU that isn’t rated for PCIe 3.0 with out difficulty, if you happen to have been involved your present PSU is less than the duty.

The outcomes of their assessments may not be what you anticipated.  They set the ability restrict of the cardboard to 500W, and after they used the native 600W 12VHPWR connector the NVIDIA RTX 4090 ran cooler and quieter than with the 450W adapter.  The efficiency was basically the identical, and there have been no actual energy spikes to talk of.  Overclocking went higher on the 600W 12VHPWR, nevertheless the numerous improve in energy consumption and related warmth and noise recommend it isn’t value doing on this particular card.

It appears to be like just like the native adapter is kinder to the cardboard’s VRMs nevertheless it isn’t mandatory from a efficiency perspective.

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