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i7 920 @4.0GHz vs 4790k - Is it worth the upgrade? - Page 8

post #71 of 121
Thread Starter 
Just a quick update, last night my computer rebooted out of the blue, I leave it on 24/7. It wasn't even busy. I thought okay maybe a glitch but then again during the day today it rebooted out of the blue. I booted a RAM checker, everything is okay. It must be the over clocked so I backed from 4.4GHz down the 4.0GHz. We'll see if its stable now. Interesting that I've been gaming an Plex transcoding and everything is fine, but just sitting idle it suddenly reboots after about 36 hours? confused.gif

I'll let you know if its stable being on for over 48 hours...
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post #72 of 121
sounds like a powersaving downclock issue
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RYZEN
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x58
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post #73 of 121
this thread taught me something new and planted the wrong seeds into my mind.... WHY!!! Must... Resist.
post #74 of 121
Quote:
Originally Posted by hollowtek View Post

this thread taught me something new and planted the wrong seeds into my mind.... WHY!!! Must... Resist.

theres a x58 rampage 2 for 80 bucks in the sales thread thumb.gif
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post #75 of 121
Thread Starter 
Quote:
Originally Posted by kckyle View Post

sounds like a powersaving downclock issue

Please elaborate? How do I correct this??
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post #76 of 121
Quote:
Originally Posted by pdrider6890 View Post

Please elaborate? How do I correct this??

Windows->Power Options->Powersaving vs High Performance


For anyone on the fence about upgrading and if it is worth it, THIS: 6:30. Imagine the gain on your processor.

post #77 of 121
Quote:
Originally Posted by kckyle View Post

sounds like a powersaving downclock issue

This might be the case but for me I don't know. I tried 4.4ghz and when I run Prime95 it downclocks to 4ghz. I already changed the EIST and those green settings to off and power mode is on high performance. It is only when i run a stress test does my clock downclock to 4ghz. There is clearly something else going on.
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post #78 of 121
Quote:
Originally Posted by kckyle View Post




with dx12 coming out, games will take more advantage for more cores.

A 4790k can still hit 1000 multi-core, ~200 single core with a not-so-wild overclock (about 4.7-4.8ghz ~ over half of chips do 4.7ghz on 1.35v now). Overall i'd say it's the better CPU, since it's somewhat competitive in multithreaded performance and clearly much stronger for singlethreaded. For some people, singlethreaded performance matters a lot, for others not at all - depends on your uses. That can make or break the CPU choice - where going 4 cores to 6 can be a 50% improvement or a 0% improvement. Meanwhile, going from 4 cores to 4 FASTER cores will improve both low-threaded and high-threaded loads.

Due to Amdahl's law (see http://en.wikipedia.org/wiki/Amdahl%27s_law if you're not familiar) it's highly preferable to get to a certain performance level in as few cores as possible, unless working with highly parallel workloads like some forms of rendering and video encoding. If you're doing anything where you can't run code easily and efficiently in parallel across all of your cores, suddenly you run into a huge problem and start seeing significantly lower performance - while somebody with fewer, faster cores will be impacted less - and impacted less often. This isn't a matter of poor optimization or lazy/bad coders; they make these problems more obvious but sharing a load very efficiently between cores can be difficult or even impossible, that's just the way software is and it's not something that a lot of people can ignore. For those people dropping a CPU in somewhere and using it as a rendering vid or a video encoding server, that's nice, you have one less thing to worry about. For a general purpose encoding/gaming/whatever rig, it's a huge concern.

Overall, those x58 xeons are sometimes (or always) available for far lower prices and are compatible with many motherboards that people already have, so they're great. If they were priced at 4790k levels on lga1150 boards, i would not be recommending them but that's not the case thumb.gif
Edited by Cyro999 - 5/22/15 at 2:15pm
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post #79 of 121
Ok, so I found out something... the P6T are known to throttle to protect the motherboard from damage. I think this is what's happening when I run a test and it down clocks. pdrider6890 since you and I have an identical board, I think this is what is happening.
Edited by Foxdie - 5/22/15 at 4:40pm
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post #80 of 121
Quote:
Originally Posted by kckyle View Post

theres a x58 rampage 2 for 80 bucks in the sales thread thumb.gif

You should pick it up xD
Edited by RJ-Savage - 5/22/15 at 7:23pm
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