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LukeSavenije

Navi/Ryzen 3000 launch Megathread

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3 hours ago, porina said:

I don't think we're that different from recent past AMD CPUs when it comes to overclocking. For example, my 2600 stock would run all cores active around 3.9, but with a manual overclock I could run it Cinebench stable at 4.25. The 3700X... isn't much different. Clocks are more variable with load, typically 3.8 to 4.0 all cores loaded, and in fixed voltage/clock overclocking 4.3 is about manageable with my current cooling. I'm climbing the voltage wall though, and still have voltage headroom but not thermal headroom with a 240mm AIO. With better cooling I can get a bit more, but doubt I'll get much past the single core boost of 4.4 GHz without extreme cooling.

 

These CPUs as sold are running close to their limit, so overclockers have extremely limited potential to extract further performance. On the plus side, normal users can get most of the performance without worrying about tinkering. I still think the coolers are inadequate for sustained higher loads so and upgrade there will prevent thermal limiting.

i would like to see how a big water loop would do, as i suspect heat density is the bigger issue 

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7 minutes ago, cj09beira said:

i would like to see how a big water loop would do, as i suspect heat density is the bigger issue 

If it's a heat density issue like the i7-7700k, then the bottleneck is more on transferring the thermal energy efficiently out of the die(s) to the IHS / cooling-solution, rather than the thermal capacity of the cooling solution itself.

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49 minutes ago, cj09beira said:

i would like to see how a big water loop would do, as i suspect heat density is the bigger issue 

Just watch the GN LN2 overclocking video, he does above ambient gradient temperature drops and shows how it effects clocks all the way down to around 0C.

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1 hour ago, leadeater said:

Just watch the GN LN2 overclocking video, he does above ambient gradient temperature drops and shows how it effects clocks all the way down to around 0C.

I haven't seen GNs video, but Der8auer showed a graph plotting clock speeds against CPU temp in his video for the R9 3900x as well. Goes from 50°C down to -140°C
 

image.thumb.png.75b26a915b6d17d213e4073569310dbb.png

 

 


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7 minutes ago, Spotty said:

I haven't seen GNs video, but Der8auer showed a graph plotting clock speeds against CPU temp in his video for the R9 3900x as well. Goes from 50°C down to -140°C
 

image.thumb.png.75b26a915b6d17d213e4073569310dbb.png

 

 

 

That graph has to be wrong, the TDP is only 105W and it says over 170W, DID AMD LIE!!!!!!1!!!     🙄🤣


QuicK and DirtY. Read the CoC it's like a guide on how not to be moron.  Also I don't have an issue with the VS series.

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"We can accept God becoming Man to save Man, but not Man becoming God to save Himself."

     

                                                                 How to free up space on your SSD                                             Kymatica Revision:                                                                                                                      

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9 hours ago, mr moose said:

That graph has to be wrong, the TDP is only 105W and it says over 170W, DID AMD LIE!!!!!!1!!!     🙄🤣

If you squint hard enough after a beer (or three), the line does look to flatten out at 105W 🙃.

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Halp! Do I go Intel or Ryzen... I'm now confused! 🤣

 

I will have to check out price/performance for the few games left I play... anyone know any good Kerbal Space Program benchmark comparisons? 🤔

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1 hour ago, TechyBen said:

Halp! Do I go Intel or Ryzen... I'm now confused! 🤣

 

I will have to check out price/performance for the few games left I play... anyone know any good Kerbal Space Program benchmark comparisons? 🤔

I think for KSP you'd be better with an 9700K, but I wouldn't recommend buying into the Intel ecosystem right now...
Tbh if price/performance is all you're after, go with the 3600 non X and enjoy that superb value


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