The Power Macintosh, later Power Mac, is a family of personal computers designed, manufactured, and sold by Apple Computer, Inc. Is this a common occurrence with the 8400M on MacBooks? I used to play TF2 on Windows via Bootcamp before it was released for Mac and can never remember having this issue.The Power Mac G5, the last model of the series.
Once it's settled down, you could close the game, come back hours later and wouldn't have the issue - if you put the Mac to sleep or shutdown, it'll occur again on next boot. And now it occurs on Windows so it must be a hardware issue.Īfter maybe 10-15 minutes, it'll resume a normal FPS that's playable (or oddly, if the map is changed or refreshed on TF2, that kick starts normal FPS).
At first, I attributed it to possibly a flaw in the Source code for Mac, it's still fairly new. It's fairly rapid, the smooth might last for a few seconds, stutter smooth, stutter, smooth, stutter in a rhymic predictable pattern. However, 5-10 minutes into gameplay, the FPS plummets to around 12 fps in a reoccuring pattern (demonstrated as best possible below with '-' being smooth gameplay and and '.' being a 'stutter') The issue is that once the game begins, the FPS is fine, usually hovering around 24-30fps on full resolution with decent settings which is high enough for fluid gameplay. Currently, the only games I play on my MacBook are Source based (Portal 2, L4D2, Team Fortress 2) and Minecraft all of which have the issue. However, it's predictability and duration is not.īoth under Mac OS X Snow Leopard and Windows (via Boot Camp) the problem occurs and will occur under any heavy graphics. games, the FPS rate begins to drop - understandibly, this is normal. Whenever it is coming under a lot of heavy graphics i.e. Recently, my nVidia 8400M GPU seems to have started acting up on my 13" MacBook Pro (Late 2009).
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