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Topic on Glossary talk:Overclocking

This page shows the changes between two versions of a post by Mirh in the topic "Wisdom infodump" on Glossary talk:Overclocking. You can see other versions of this post at its history page.
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* [https://www.notebookcheck.net/Intel-Extreme-Tuning-Utility-XTU-Undervolting-Guide.272120.0.html XTU] and [https://www.ultrabookreview.com/31385-the-throttlestop-guide/ ThrottleStop], end.  
 
* [https://www.notebookcheck.net/Intel-Extreme-Tuning-Utility-XTU-Undervolting-Guide.272120.0.html XTU] and [https://www.ultrabookreview.com/31385-the-throttlestop-guide/ ThrottleStop], end.  
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* Well, not so fast. The Plundervolt attack made Intel recommend vendors to enable the "Overclocking Lock" flag in the bios (which despite the name, at least on normal locked cpus it just allowed voltage control). It [https://old.reddit.com/r/XMG_gg/comments/h0wuoh/cpu_undervolting_in_bios_setup_for_xmg_and/ wasn't] a ''hard'' requirement.. but this was just the path of least resistance for most. It's not really difficult to unlock with the usual [[Glossary talk:BIOS|bios tools]], but still.  
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* Well, not so fast. The Plundervolt attack made Intel recommend vendors to enable the "Overclocking Lock" flag in the bios (which, despite the name, at least on normal locked cpus just allowed for voltage control). It [https://old.reddit.com/r/XMG_gg/comments/h0wuoh/cpu_undervolting_in_bios_setup_for_xmg_and/ wasn't] a ''hard'' requirement.. but this was just the path of least resistance for most. It's not really difficult to unlock with the usual [[Glossary talk:BIOS|bios tools]], but still.  
 
* [https://old.reddit.com/r/overclocking/comments/ls3yqo/help_with_understanding_bd_prochot/ BD PROCHOT] misbehaving can explain "cold temperature" throttling
 
* [https://old.reddit.com/r/overclocking/comments/ls3yqo/help_with_understanding_bd_prochot/ BD PROCHOT] misbehaving can explain "cold temperature" throttling
  
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* Undervolting is probably the most no-brainer free-lunch improvement of them all, at least in ''thermally cramped'' systems (i.e. about every one that isn't a desktop with a <100W cpu)
 
* Undervolting is probably the most no-brainer free-lunch improvement of them all, at least in ''thermally cramped'' systems (i.e. about every one that isn't a desktop with a <100W cpu)
  
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* Wherever exhaust heat of CPU and GPU is shared on a single heatsink (e.g. most laptops with a common heat pipe and fan) '''''slowing down''''' the CPU to afford more thermal boost headroom for the GPU <s>or viceversa,</s> can be a winning strategy depending on the application/game/environment. When graphics is integrated on the same chip, I'm afraid [https://old.reddit.com/r/lowendgaming/comments/ebjval/improving_gpu_performance_on_the_celeron_n4100/ only] cpu underclocking is gonna be feasible.. Otherwise with a dedicated gpu there should be plenty of utilities to lower the TDP itself directly.
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* Wherever exhaust heat of CPU and GPU is shared on a single heatsink (e.g. most laptops with a common heat pipe and fan) '''''slowing down''''' the CPU to afford more thermal boost headroom for the GPU <s>or viceversa,</s> can be a winning strategy depending on the application/game/environment. When graphics is integrated on the same chip, I'm afraid [https://old.reddit.com/r/lowendgaming/comments/ebjval/improving_gpu_performance_on_the_celeron_n4100/ only] cpu underclocking is gonna be feasible ("Maximum Processor State" may be lowered if lacking specialized tools, even though that's not [https://old.reddit.com/r/intel/comments/ez2c04/disabling_turbo_boost_vs_decreasing_maximum/fgm7x0i/ exactly] the most of granularity).. Otherwise with a dedicated gpu there should be plenty of utilities to lower directly the TDP itself.