TrashBench sets an Intel Arc B580 world overclock record using DIY antifreeze cooling, hitting −17°C, 16% performance gains, and 16,631 in 3DMark Time Spy.
© YouTube / TrashBench
The enthusiast known as TrashBench set a world overclocking record for the Intel Arc B580, opting for an unorthodox setup. Instead of the liquid nitrogen favored by many professionals, he used a pond pump and automotive antifreeze pre-chilled in a freezer. That brought GPU temperatures down to −17°C and delivered standout benchmark numbers, a neat reminder that clever plumbing can rival exotic coolants when done right.
In 3DMark Time Spy, the overclocked card scored 16,631 points, which is 12% higher than a stock Arc B580. TrashBench noted that preparation was fairly straightforward: he 3D-printed a waterblock mount, routed flexible tubing to a reservoir filled with chilled antifreeze (a 50/50 glycol–water mix), and used a pump to circulate the liquid. Thanks to this DIY cooling, the GPU reached sub-zero temperatures without relying on costly equipment.
On its stock air cooler, the Arc B580 ran at 2,850 MHz and delivered 54 FPS in Monster Hunter Wilds, 158 FPS in Forza Horizon 5, and 107 FPS in Cyberpunk 2077. After switching to the automotive coolant loop, TrashBench pushed the frequency to 3,316 MHz, a 16.4% increase, which translated to 69 FPS, 174 FPS, and 120 FPS respectively — roughly a 16% average uplift. The scaling looks consistent across these games, making the gains easy to appreciate.
Although the coolant gradually warmed up during testing, the run still produced record figures. The experiment shows how a minimal budget and an offbeat idea can add up to serious results; antifreeze cooling may not be the most practical option, yet in this context it proved highly effective for extreme overclocking — the kind of proof-of-concept that sticks because it trades price for ingenuity.