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OpenSourceMac's picture
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Joined: 2019 Jan 21
Open GL in Classic...

On running a Carbon version of Cinebench, I expected Classic to suck compared to native in OS9, but that's not what happened! In OS9 the CPU was about 10% faster, but the OpenGL score was about 25% slower. So provided you don't have CGI/FMV issues running 3D games in classic, they should perform at least as well.

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adespoton's picture
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Joined: 2015 Feb 15

That's because in Classic, the OGL stuff gets passed to the native engine and is run via OS X, not Classic. Under OS 9, everything happens in-line, which slows OpenGL down, but loses the overhead (hence the CPU boost).