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post #51 of 120 (permalink) Old 03-05-2019, 09:10 AM
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Quote: Originally Posted by MrHarris View Post
5.3ghz / 4.9ghz cache at 1.335v non delided, on a noctua d15 with 4000mhz ram at 17-18-18-38

I can also do 5.2ghz /4.9ghz cache at 1.325v, all temps for either speed is below 90c in hwinfo. It has been rather cold in the room i will say.

I have a godly chip as I also have it’s bigger brother with hyperthreading and I am struggling to manage 5.2ghz / 4.9ghz cache under 1.4v which by then I’m at over 100c in temps.
That's pretty insane. How did you stress test it? 90s seems really good during a stress test on the D15.
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post #52 of 120 (permalink) Old 03-05-2019, 10:07 AM
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Someone mentioned that the stress tests don’t pick up on errors if tRFC and tREFI are pushed too far, and that it can lead to OS corruption. Any truth to this.

Edit: meant to put this in the ddr4 thread. Sorry.
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post #53 of 120 (permalink) Old 03-07-2019, 11:53 PM
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Quote: Originally Posted by Jidonsu View Post
Quote: Originally Posted by MrHarris View Post
5.3ghz / 4.9ghz cache at 1.335v non delided, on a noctua d15 with 4000mhz ram at 17-18-18-38

I can also do 5.2ghz /4.9ghz cache at 1.325v, all temps for either speed is below 90c in hwinfo. It has been rather cold in the room i will say.

I have a godly chip as I also have it’s bigger brother with hyperthreading and I am struggling to manage 5.2ghz / 4.9ghz cache under 1.4v which by then I’m at over 100c in temps.
That's pretty insane. How did you stress test it? 90s seems really good during a stress test on the D15.

Honestly no serious benching program like prime95. Just used cpu-z benchmark and validator, cinebench once or twice, and userbenchmark’s test that posts your own results page online after you finish the bench.
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post #54 of 120 (permalink) Old 03-08-2019, 06:07 PM
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Quote: Originally Posted by MrHarris View Post
Honestly no serious benching program like prime95. Just used cpu-z benchmark and validator, cinebench once or twice, and userbenchmark’s test that posts your own results page online after you finish the bench.
Ah, I see. How does it do in the new Cinebench R20 or the Intel XTU Benchmark?
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post #55 of 120 (permalink) Old 04-07-2019, 03:06 PM
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Overclocking newbie here. I have a 9700K on an ASUS Z390-E Gaming and H80iV2 to cool. I can run all benchmarks all day long at 5GHz and 1.225 VCore set manually in the BIOS. However, I keep getting errors when running Prime95 Blend. It normally doesn't crash, I just get one or two errors. I can game all day long like this and have not noticed anything unusual. So what do errors really mean? An unstable overclock? What's going to happen if I continue to run my setup like this? Thanks in advance.

I also ran Intel XTU stress test for 12 hours at 1.250V and it passed.
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post #56 of 120 (permalink) Old 04-07-2019, 03:49 PM
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Quote: Originally Posted by Ripple View Post
Overclocking newbie here. I have a 9700K on an ASUS Z390-E Gaming and H80iV2 to cool. I can run all benchmarks all day long at 5GHz and 1.225 VCore set manually in the BIOS. However, I keep getting errors when running Prime95 Blend. It normally doesn't crash, I just get one or two errors. I can game all day long like this and have not noticed anything unusual. So what do errors really mean? An unstable overclock? What's going to happen if I continue to run my setup like this? Thanks in advance.

I also ran Intel XTU stress test for 12 hours at 1.250V and it passed.
If your running Prime95 with AVX? Then that kind of work will be the only kind of calculations that should fail.

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post #57 of 120 (permalink) Old 04-07-2019, 10:51 PM - Thread Starter
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Quote: Originally Posted by Ripple View Post
Overclocking newbie here. I have a 9700K on an ASUS Z390-E Gaming and H80iV2 to cool. I can run all benchmarks all day long at 5GHz and 1.225 VCore set manually in the BIOS. However, I keep getting errors when running Prime95 Blend. It normally doesn't crash, I just get one or two errors. I can game all day long like this and have not noticed anything unusual. So what do errors really mean? An unstable overclock? What's going to happen if I continue to run my setup like this? Thanks in advance.

I also ran Intel XTU stress test for 12 hours at 1.250V and it passed.
When I saw errors in Prime95/Blend, it was because my memory overclock was not entirely stable and there were memory errors. I'd suggest you run a 4 hour run of RAMTest, PassMark's MemTest86 or HCI MemTest to see if you have any memory errors. Those Prime95/Blend errors can also just mean that your CPU overclock is almost stable, but not quite and thus doesn't BSOD, but does create errors and you need a bit more vCore.

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post #58 of 120 (permalink) Old 04-22-2019, 10:21 AM
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The new tariff that went into effect in January probably had an effect on price as well.

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post #59 of 120 (permalink) Old 04-23-2019, 02:01 PM
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Yall doing all cores overclocked and fixed?

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post #60 of 120 (permalink) Old 04-28-2019, 04:47 PM
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After messing around for days with my i7-9700k, i finally managed to become stable on 5.0GHz.
Gotta add to that, it is my first time overclocking a CPU.

Anyway, here are my settings:
  • Asus Rog Strix Z390-F GAMING.
  • 5.0GHz.
  • NZXT Kraken X72.
  • AVX Auto
  • Fixed voltage: 1.385v.
  • VCCIO: 1.250v - VCCSA: 1.150v
  • VCore 1.350v under load.
  • Intel Burn Test, Realbench 8hrs, Prime95 v26.6 2hrs, OCCT Linpack nonAVX 1hr.
  • Max temps 90c.
  • 43 (Default - Havent touched it at least).

Comments:
My goal with this, was to become stable with fixed voltages, and then move on to adaptive voltages.
I've seemingly found a stable 5.0GHz overclock, using adaptive volts now. All though, I have to do some longer and more thorough stresstest.

Settings for adaptive:
  • 5.0GHz.
  • AVX Auto.
  • Adaptive voltages 1.370v.
  • VCCIO: 1.250v - VCCSA: 1.150v.
  • VCore 1.359v under load.
  • Intel Burn Test, Realbench 1hr, Prime95 v26.6 1hr.
  • Max temps 88c.
  • 43 (Default - Havent touched it at least).

Criticism, input or feedback is very much appreciated.

Last edited by katulen; 04-28-2019 at 05:06 PM.
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