Our colleague Sarfraz Khan from WccfTech reports on an experiment that oscillates between “brave” and “manic”: JayzTwoCents has flashed a GIGABYTE RTX 5090 AORUS Master with the 1000-watt BIOS of the ASUS ROG Astral RTX 5090 – a move that elicits more performance, but also provokes technical side effects. You could say: performance with side effects, just like bad medical advertising.
Source: Youtube
600 W is good. 900 is better. But not without consequences.
By default, NVIDIA’s RTX 5090 runs with a TDP of 600 W – which is already in the “Schuko plug says goodbye” league. Enthusiasts who think this is the end of the story are underestimating enthusiasts: the 1000 W BIOS tailored to the ASUS Astral gets the Gigabyte model up to speed – at least until the first fan controller stops working. The new BIOS simply ignores one of the three fans. You can do that – it’s just hot air rather than a real draught.
BIOS on, power on, fan dead – the basics of firmware hacking
What Jay has done is technically simple, but carries a noticeable risk. The 1000 W BIOS from the Astral world was forced onto the GIGABYTE card via NVFlash – no official release, no guarantee of compatibility. The fact that a fan then immediately goes on strike is less a bug than the logical consequence of incompatible fan controllers. ASUS has two of them, GIGABYTE has three – if you can count, you have a clear advantage. At least the dead wheel has been replaced by a more powerful custom fan – MacGyver style.
Power is not the same as performance
Things get interesting when it comes to performance: without active overclocking, the new BIOS delivers little more than hot air. Only with manual clock boosting (GPU, RAM, VRM) does the card climb to over 10 % plus in 3DMark Port Royal – which has catapulted Jay into the top 100 worldwide. But at a price: 900 W consumption instead of the nominal 600. That’s 33 % more power for 10 % more performance. A double-edged sword in the life cycle assessment – a click magnet in the YouTube show.
Source: Youtube
Why ASUS can withstand more than GIGABYTE
The reason why the GIGABYTE card nods off prematurely at more than 1000 W lies on the circuit board: ASUS uses 80A power stages in the Astral version, while GIGABYTE has only installed 50A. So anyone hoping to turn a Golf GTI into a Porsche Turbo with BIOS magic will realize this at the latest under continuous load: More watts are no substitute for solid hardware. Jay even had to row back from the 1600 W power limit to 1000 W in the end – stability comes before benchmark ego.
Air conditioning instead of heat sink
Jay had to use a separate air conditioning system to keep the whole thing running at all. Not an AIO, not a custom loop – no, the real thing with an external unit, insulation and probably aluminum foil. That shows: If you want to achieve such values, you shouldn’t be squeamish about the electricity bill either – and be prepared for a background noise somewhere between a wind tunnel and a vacuum cleaner.
A faster car with a flat tire
What happened here shows once again very nicely: You can strap rockets under the saddle of a racehorse – but if the skeleton doesn’t cooperate, a leg will break at some point. The 1000 W BIOS is built for ASUS – GIGABYTE works with it somehow, but not without side effects. The performance gain is real, but comes at a high price: with heat, noise and modified cooling. The whole experiment is a mixture of technical curiosity and modding-driven borderline experience. Completely unsuitable for everyday use or even series production – but definitely exciting as a laboratory project. Just please don’t do it at home, at least not without a fire extinguisher and thermal camera.
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As a trained electrician, he's also the man behind the electrifying news. Learning by doing and curiosity personified.
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