Timeline for Why does my Mac M4 Max regularly become sluggish/hang because only efficiency cores are active on macOS 15.5?
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| Apr 1 at 22:01 | history | bumped | CommunityBot | This question has answers that may be good or bad; the system has marked it active so that they can be reviewed. | |
| Mar 2 at 21:38 | history | edited | Giacomo1968 | CC BY-SA 4.0 |
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| Mar 2 at 21:05 | history | bumped | CommunityBot | This question has answers that may be good or bad; the system has marked it active so that they can be reviewed. | |
| Nov 2, 2025 at 20:01 | history | bumped | CommunityBot | This question has answers that may be good or bad; the system has marked it active so that they can be reviewed. | |
| Oct 3, 2025 at 18:40 | comment | converted from answer | Victor Laureano | Same on M3 Max Tahoe 26.0 Beta, 26.0 Release and 26.1 Beta | |
| Sep 21, 2025 at 21:05 | history | bumped | CommunityBot | This question has answers that may be good or bad; the system has marked it active so that they can be reviewed. | |
| Aug 22, 2025 at 20:37 | answer | added | FModa3 | timeline score: 0 | |
| Aug 18, 2025 at 18:50 | history | edited | Cornelius Roemer | CC BY-SA 4.0 |
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| Aug 18, 2025 at 18:08 | comment | added | Cornelius Roemer | @benwiggy Yesterday I spotted it for the first time without GeForceNow running, so yes. It might happen frequently but I only notice when E cores can't keep up with an increase in load and there's a failure to switch to P cores. | |
| Aug 18, 2025 at 10:25 | comment | added | benwiggy | Does the problem occur outside of Geforce Now? | |
| Aug 18, 2025 at 9:12 | history | edited | Cornelius Roemer | CC BY-SA 4.0 |
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| Jul 22, 2025 at 19:16 | comment | added | Linc Davis | The QoS is set by the app, and you can't increase it (unless the app has a built-in setting.) So your question should be addressed to the developers of Geforce. | |
| Jul 22, 2025 at 18:53 | comment | added | Andy Griffiths | Geforce Now is network intensive not CPU intensive, so no surprise the workload is on the efficiency cores, and entirely at the mercy of the server farm running it. You'd need to examine the issue in the light of what performance your subscription tier provides, and whether there are any network issues you might have. Both of those sound very much off-topic. You'll need to clarify what is halting, the whole machine or just the game streaming? | |
| Jul 22, 2025 at 18:34 | history | asked | Cornelius Roemer | CC BY-SA 4.0 |