"New Discovery: Aging SNES Speeds Up, Puzzling Speedrunners"
The speedrunning community is grappling with a curious technological phenomenon that suggests the Super Nintendo Entertainment System (SNES) may be running games faster as it ages. In early February, Alan Cecil, a Bluesky user known as @tas.bot, sparked discussions by claiming that the SNES is now processing games slightly faster than when it was first released in the 1990s. This intriguing theory implies that the nearly 50 million SNES units sold could be experiencing enhanced performance with iconic titles like Super Mario World, Super Metroid, and Star Fox, rather than deteriorating over time.
The notion that a video game console could become more efficient as it ages might seem far-fetched, but Cecil's research points to a specific component—the audio processing unit (APU) SPC700—as the potential catalyst for this unusual behavior. According to an interview with 404 Media, official Nintendo specifications indicate that the SPC700 has a digital signal processing (DSP) rate of 32,000Hz, controlled by a ceramic resonator operating at 24.576MHz. However, retro console enthusiasts have noted discrepancies, with recordings over the years showing variations in DSP rates influenced by environmental factors like temperature. This suggests that the SNES processes audio and communicates it to the CPU at rates different from those specified by Nintendo, subtly affecting game speed.

Cecil's curiosity was piqued when he observed even higher DSP rates than those previously documented. He asked SNES owners to contribute data, and the results from over 140 responses revealed a clear trend of increasing DSP rates over time. While earlier measurements averaged around 32,040Hz in 2007, Cecil's recent findings have pushed this average to 32,076Hz. Although temperature variations do influence DSP rates, they do not account for the significant increase observed. As Cecil noted in a follow-up Bluesky post, the average DSP rate across 143 responses was 32,076Hz, with a rise of 8Hz from cold to warm conditions, suggesting that temperature plays a less significant role than initially thought. The exact reasons behind this phenomenon and its impact on gameplay remain unclear.
While the idea of the SNES improving with age is fascinating, Cecil acknowledges the need for further research to understand the extent of this acceleration and its causes. Historical data from the console's first decade on the market is scarce, making it challenging to draw definitive conclusions. Nevertheless, the SNES is approaching its 35th anniversary with seemingly enhanced performance.
This development has stirred interest within the speedrunning community, as a faster SPC700 could theoretically reduce load times in specific game sections. However, even the most significant changes observed would likely only shave off less than a second from an average speedrun. The impact on different games and longer speedruns remains uncertain, and the community's research is still in its early stages. For now, the consensus is that speedrunners have little to worry about.
As Cecil continues to explore the inner workings of the SNES, the console is defying expectations by seemingly improving with age. For more insights into the SNES's legacy, you can explore its ranking among the best-selling consoles of all time.