i5 10400F only on base clock (2.9 Ghz)? View previous topic :: View next topic  


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Blakx




Posts: 386
PostPosted: Sat, 12th Dec 2020 21:55    Post subject: i5 10400F only on base clock (2.9 Ghz)?
I bought the i5 10400F today with a ASUS Prime B460 mainboard.

However when I stress test the CPU the clock stays on 2.9 GHz instead of getting to the Turbo Boost. Am I getting something wrong? Confused

Turbo Boost is turned on in the BIOS. Tried to change a few settings without succeeding
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PickupArtist




Posts: 9710
PostPosted: Sat, 12th Dec 2020 22:09    Post subject:
turboboost only runs when one core needs that extra oompf, when u stress test all cores, it stops boosting , i think, its not intended to boost all the time

send it back and go amd Very Happy
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Blakx




Posts: 386
PostPosted: Sat, 12th Dec 2020 22:35    Post subject:
Hm seems I got the wrong idea of turbo boost. It seems kind of useless? Sorry I'm out of the tech game for a long time Very Happy

I thought the Boost would activate if the CPU usage is high. So for example it would use the single core boost of 4.3 GHz or the multi core boost of 4.0 GHz while gaming all the time.
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PickupArtist




Posts: 9710
PostPosted: Sun, 13th Dec 2020 00:11    Post subject:
what was your temps , temperatures also affect it
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Guy_Incognito




Posts: 3422
PostPosted: Sun, 13th Dec 2020 00:35    Post subject:
Turbo boost is related to TDP, clocks will go up as long as total consumption is under declared TDP. If you are hammering all cores (esp. if testing with power intensive instructions such as AVX), then it most definitely won't go much above minimum clock.
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paxsali
Banned



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PostPosted: Sun, 13th Dec 2020 02:23    Post subject:
⁢⁢


Last edited by paxsali on Thu, 4th Jul 2024 23:09; edited 2 times in total
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Sin317
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Posts: 24322
Location: Geneva
PostPosted: Sun, 13th Dec 2020 07:37    Post subject:
And also change vcore to manually. If it's set to auto, it will use way more voltage than it needs, making it less performant (as in hotter then it needs to be).
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Blakx




Posts: 386
PostPosted: Sun, 13th Dec 2020 17:10    Post subject:
PickupArtist wrote:
what was your temps , temperatures also affect it


Around 60°C so pretty low.

Alright I'll reset the BIOS settings. I managed to force the Turbo boost to be active all the time but quickly realised it's not what this is intended for Laughing

So all the benchmarks are done with Turbo boost on right? So basically you can't get the same results if you don't force it on?


Last edited by Blakx on Sun, 13th Dec 2020 19:55; edited 1 time in total
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termcan




Posts: 352
PostPosted: Sun, 13th Dec 2020 19:38    Post subject:
Turbo works on all cores. If you use one core only, then it boost even higher.
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Blakx




Posts: 386
PostPosted: Tue, 15th Dec 2020 17:25    Post subject:
I noticed my Windows Power settings were on high performance. I changed it to balanced and now my CPU is running on 4 GHz all the time. LOL What?!


Edit: Not all the time. When I do absolutely nothing it drops to 0.8 GH for a short time. So working like intended. Wondering why high performance mode made it stuck on 2.9 GHz Confused
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Frant
King's Bounty



Posts: 24433
Location: Your Mom
PostPosted: Wed, 16th Dec 2020 05:43    Post subject:
Sounds weird to me. I've got the i5-8400 (two generations earlier equivalent to your CPU) and it's base clock is 2.80 GHz but runs all cores at 4.0 GHz with a bclock overclock (100 MHz per core) with High or Maximum Performance set. But I've tweaked my bios to death to squeeze the most out of the system.

Ph'nglui mglw'nafh Cthulhu R'lyeh wgah'nagl fhtagn!

"Thank you to God for making me an Atheist" - Ricky Gervais
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PickupArtist




Posts: 9710
PostPosted: Wed, 16th Dec 2020 15:38    Post subject:
maybe high performance gave it more voltage, and that triggered some overheat protection

my laptop on ryzen also gets better bench scores on balanced

undervolting gave longer boosts on ryzen nowadays
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