Flashing an RX 9070 with a 9070 XT BIOS sounds like the sort of modification destined either for impressive performance gains or an expensive lesson in hardware experimentation. Instead, the most revealing result after roughly a year of regular use is considerably less dramatic: the modified card remained remarkably stable, but the extra power ultimately delivered too little additional performance to justify the tradeoff. That makes the experiment more useful than a simple overclocking showcase, because long-term experience gives the eventual disappointment considerably more weight.
The modification itself is explained clearly enough to establish both its purpose and its risk. The XT BIOS does not magically unlock additional cores; it primarily gives the RX 9070 access to a substantially larger power window. The original procedure also required physically connecting a BIOS flasher to the card's BIOS chip, making this far removed from a routine software tweak. Particularly valuable is the presence of two BIOS chips on this ASUS card, allowing the modified BIOS to occupy one while retaining the stock configuration on the other. That provides a convenient real-world comparison and an important fallback, although viewers should not mistake this specific hardware advantage for something every card necessarily provides.
A year of use across several configurations supplies the kind of context short benchmarking sessions often lack. The card moves through a small-form-factor AMD system, 1440p and 4K displays, Windows and Linux, and eventually an ATX setup. Some problems arise along the way, but the presentation generally avoids blaming the BIOS modification without evidence. Linux networking trouble is attributed to the system's LAN hardware rather than the GPU, while the unresolved AMD screen-capture problem is described as frustrating without pretending its precise cause has been established. The inability to output successfully to the Bigscreen Beyond VR headset is another genuine limitation, though the host openly acknowledges that he no longer remembers enough details to make a confident diagnosis.
The modified BIOS does introduce one clearly demonstrated annoyance: aggressive default fan behavior. Pushing power consumption beyond 300 watts while targeting temperatures below roughly 60 degrees Celsius causes the cooler to become unnecessarily loud, despite apparently comfortable GPU temperatures. A manual fan curve solves the noise problem, but it also produces the experiment's most avoidable failure when the fan is accidentally set to zero and the system crashes from overheating. The host correctly treats that as user error rather than evidence that the modification itself is unstable. Outside that mistake, he reports no crashes attributable to the card during the year, which is an encouraging result but still evidence from one particular GPU rather than proof that the procedure is universally safe.
The gaming demonstrations make the larger lesson about resolution almost as interesting as the BIOS modification itself. DayZ and Dirt Rally 2 have abundant performance headroom at 1440p, while the transition to 4K produces a substantial reduction. Stalker 2 becomes a particularly useful example, dropping from strong 1440p performance to results that struggle to remain in the 60s at 4K under the demonstrated settings. These comparisons effectively illustrate how demanding native display resolution can become even on relatively powerful modern hardware, and they give viewers a practical frame of reference before assessing whether additional power can recover meaningful performance.
That final comparison is where the experiment earns its conclusion. Cyberpunk receives only a modest improvement from the BIOS modification, DayZ responds more at 1440p than 4K, Dirt Rally 2 gains only around six frames per second at 4K, and Stalker 2 provides the standout result at roughly 10% additional 4K performance. Against those gains is close to 100 watts of additional consumption in some testing, while a genuine RX 9070 XT still retains a meaningful performance advantage. The host's willingness to conclude that his year-long modification was essentially not worth the added power is refreshingly persuasive. More standardized benchmark charts, exact settings across every comparison, and a deeper examination of temperatures, clocks, efficiency, and long-term electrical stress would have made the technical case stronger, but the practical evidence is enough to undermine the modification's basic value proposition.
Pros
- A full year of actual gaming use provides more meaningful stability context than a short proof-of-concept BIOS modification.
- The explanation clearly establishes that the XT BIOS increases the available power window rather than unlocking additional GPU cores.
- Stock and modified BIOS operation, power consumption, fan behavior, temperatures, and gaming performance are demonstrated through concrete examples.
- Problems involving Linux networking, VR output, screen capture, and accidental overheating are described without automatically attributing every issue to the BIOS modification.
- The host openly concludes that the modest performance gains generally fail to justify the substantial increase in power consumption.
Cons
- Benchmarking is relatively informal and lacks a comprehensive set of standardized charts, settings, clock speeds, efficiency measurements, and thermal comparisons.
- Long-term reliability conclusions necessarily remain limited to one graphics card and cannot establish that the modification is equally safe for other cards.
- The unresolved Bigscreen Beyond and AMD screen-capture problems are difficult to evaluate because their causes are never established.
- The modification can add substantial power consumption and aggressive fan behavior for performance gains that are often small.
A risky hardware experiment becomes most valuable when its creator is willing to admit that the result is less exciting than expected, and that is exactly what happens here. The year of successful everyday use is reassuring for this particular card, but the benchmarks ultimately make increased power consumption more impressive than the resulting frame-rate gains. As a practical long-term report rather than an endorsement of BIOS flashing, it is entertaining, candid, and convincingly cautionary.
