Hyperthreading ON and OFF: Pictures (on 4790k 4.7 ghz 1070ti) - Page 2 - Overclock.net - An Overclocking Community

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Hyperthreading ON and OFF: Pictures (on 4790k 4.7 ghz 1070ti)

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post #11 of 16 (permalink) Old 02-19-2019, 02:55 PM
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Quote: Originally Posted by XLifted View Post
Nice, glad you noticed a difference. This is why I made this thread
no diiference with HT off playing Anthem,still 40-50fps,same settings,

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post #12 of 16 (permalink) Old 02-19-2019, 02:59 PM
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Quote: Originally Posted by trailer park boy View Post
Quote: Originally Posted by XLifted View Post
Nice, glad you noticed a difference. This is why I made this thread [IMG class=inlineimg]/forum/images/smilies/smile.gif[/IMG]
no diiference with HT off playing Anthem,still 40-50fps,same settings,
This post is gold lol

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post #13 of 16 (permalink) Old 02-19-2019, 03:35 PM
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Only 40-50fps? Sounds like you have a bottleneck elsewhere or a sheer lack of computing power.


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post #14 of 16 (permalink) Old 02-19-2019, 06:44 PM - Thread Starter
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Quote: Originally Posted by trailer park boy View Post
no diiference with HT off playing Anthem,still 40-50fps,same settings,
You are running at 4k as far as I can tell, yeah man...difference will be minimal. GPU cannot handle this game in 4k
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post #15 of 16 (permalink) Old 02-23-2019, 06:42 PM
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Quote: Originally Posted by XLifted View Post
Here is my test.

With no hyperthreading, I used 2 tests. After a long game session of R6 Siege, and after a restart. With HW Monitor and MSI afterburner running in the background.

Hyperthreading OFF wins this battle, and also...there were no lag spikes on CPU with Hyperthreading off, besides when the map was loading in. Benchmark also shows that there are no dips in FPS.

After 5 years of gaming, I realized that those game stutters were caused by my CPU's Hyperthreading. The more you know!

I also disabled 4 cores and left 4 when doing a separate test with Hyperthread enabled, to simulate NO Hyperthread environment while the rest of the processes remain at full Hyperthreading, by going into Task Manager and setting affinity to 4 cores for R6 Siege.exe, and it performed better than 8 Cores enabled, and had no dips of FPS in benchmark run.

Thing to notice as well is that graph for gpu response on 4 Core manually set in Taskmanager for R6 Siege and Hyperthreading ON was almost unaffected by any lag spikes, in comparison to 8 cores enabled and Hyperthread on, where spike were on the graph, jumping in an out randomly. Hence you can see 8 cores resulted in dips to 40 FPS, which is shouldn't be.

It was definitely felt over the years, but I never figured out how to fix it. I tried setting different memory settings, I played with CPU voltages, etc.

Hyperthreading was the case. New CPUs are not running in the same kind of issues as far as I can tell, but my i7 4790k happens to have it.

Try it out, test it out. Perhaps it will be better.

Also my CPU temps dropped 5-12 Celcius with Hyperthreading OFF from what it was with Hyperthreading ON.

Also PC is consuming about 18 watts less when gaming with Hyperthreading ON, and I don't see any difference in computer speed.

I also tested start up times, and realized that it starts identically quick. I used the watch to compare.
If you are gaming, give it a shot, I noticed my FPS boosted in game by about 10-15 FPS, which is big for me, without doing anything, and reduced any kind of lag spike on GPU/CPU, it's flat on the graph with Hyperthreading OFF.

Separate video online ran tests in 10 games, and all of them performed better with Hyperthreading OFF with i7 4790k

Free FPS and stable frames. WHY NOT!
Hmmm,

I say inconclusive test. R6S is just a poorly written/coded game. It doesn't run with it or 6 core cpu's very well (yet it is made by ubitrash)
Try a multitude of other games as well. Then post some more findings.

 
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post #16 of 16 (permalink) Old 02-23-2019, 07:31 PM - Thread Starter
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Quote: Originally Posted by stephenn82 View Post
Hmmm,

I say inconclusive test. R6S is just a poorly written/coded game. It doesn't run with it or 6 core cpu's very well (yet it is made by ubitrash)
Try a multitude of other games as well. Then post some more findings.
Shrugging right now, because the most conclusive thing is that I had fps stutter since I bought my machine, as soon as I put hyperthreading off...boom...gone.

Another game I tested was Insurgency Sandstorm, also better frame performance.

I am going to disagree with comment about R6 Siege, it does press CPU pretty good, and within that act you get to see the pitfalls of your CPU.

Yet...it's not even 20% as buggy as Arma 3. R6 is one of the smoothest games I have played, as far as stability. I only had game crashes when I was not supplying CPU with voltage, and that was just a couple handful of them throughout 4 years (nearly) of me playing this game.

R6 benchmark is very consistent, so is the game.

I went back to Hyperthreading, because I like to open a gang of tabs in chrome, and that makes a difference for my operation, downclocking the ram actually helped too. I put it back to stock clock but with tighter timings.

Seems conclusive enough, just not worth it for me, because I don't play 24/7 and I do other tasks, which require hyperthreading. It's inconvenient for me to go into BIOS between those tasks.
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