See how the i9-13900K and RTX 4090 perform when it’s -63F outside

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What is this nonsense?! PC gamers often joke that seasonal temperature changes have an appreciable effect on the internal temperature of their systems while under heavy load. The recent record cold snap in northern China allowed the creator to take this idea to an extreme.

Content creator and Chinese hardware enthusiast 苏 baka recently posted a video (below) in which she tested a computer outdoors in -63 degree weather. The experiment yielded some amusing hitches and solutions.

Last Sunday, Mohe City, North China Spread The above temperature – one of the lowest recorded in China. To see the impact of severe weather on a PC, Baka tested a rig containing an Intel i9-13900K and an Nvidia GeForce RTX 4090 outside over two nights.

Anyone who has used tools like MSI Afterburner or CPUTemp knows that graphics cards and processors get very hot while running intensive tasks, sometimes approaching 100 degrees Celsius. Those who build and customize computers often spend a lot of money to keep these components cool. This task is often easier in the winter when ambient temperatures are lower, but how low can it be?

Baka started by testing another computer in the cold without any onboard cooling, which was running at about -1.8 degrees Celsius. After a few minutes of stress testing the AIDA64 with the heatsink, temperatures exceeded 3 degrees Celsius.

When Baka tested the 13900K/4090 under similar conditions using an AIO cooler on the 4090, the GPU stopped working because the liquid cooler froze solid. This is where things got crazy.

Baka then installed a passive GPU cooler and attached the tower to the side of a set of fans the same size as the tower. When she turned everything on, the custom cooling arrangement looked like it was about to take off from the runway.

Under these conditions, the CPU hit 6.18GHz while hovering around 15C, and the graphics card maintained -40C with a hotspot at -18C. In the October test, the same CPU Achieve The record-breaking 8.8GHz clock speed uses liquid nitrogen cooling, which can reach temperatures as low as -196°C.

One would imagine that the best program to drive a 4090 in sub-zero weather would be a notorious high-end game like Crysis, Microsoft Flight Simulator, or perhaps Portal RTX. Baka chose Minesweeper.

The video doesn’t say much about how other components like the motherboard, RAM, or SSD will resist the cold. However, Baca promised that no device was harmed during testing.

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