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Just watched Linus's performance results of the 5000 series

  • Thread starter Thread starter rn2
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I was thinking the same when looking at the games that show 40% gains. They are probably maxing out the graphics card.

Yeah, its also the way the 5900X and 5950X are identical, usually there is a couple % between them, its a 2080TI.
 
I would suggest that isn’t entirely true... it isn’t an inherent limitation but rather something that is dependant upon how the engines are coded and how much time you are willing to spend on it.

Code correctly for it and you can make use of a significant number of cores very effectively - take a look at how star citizen manages its core loads and it’s incredible for example - it will dispatch significant work to all my 24 threads and no single thread gets even close to 100%. I believe they claim it will effectively utilise up to around 32 threads if available but haven’t been able to test that personally.

So I wouldn’t agree it’s a real-world limitation, but rather a question of how much work developers are willing to do in order to break work off the main thread and make sure everything still remains thread safe. The real world limitation is diminishing returns, but I don’t think 6-8 cores is anywhere near that point.

I would absolutely expect games to start making use of 8 cores more effectively as time goes on. I don’t think that the consoles will necessarily cause 6 core PC owners any issues though because already we are seeing 6 cores in desktop that are significantly more performant than the 8 cores in the consoles... that is not to say though that an 8 core desktop may not start to outperform a 6 core desktop in gaming more often over the next few years for those chasing the highest end of frame rates and willing/able to buy a beefy enough GPU to stay out the way.

When I say that what I mean is that there's an inherent limitation to games where you are always going to have your other cores wait around for the main core to get ready for the next batch. The extent obviously will vary on a per-game basis because it very much matters what's actually happening & what other work is being done and kept around in the 'background'. So you'll never really have a game fully utilise your CPU because the design is the game comes first and then we look at how the tools (CPU etc) help us achieve that vision, rather than "let's design a game that uses 100% of the CPU". It also happens with GPUs all the time but it's generally not apparent unless you're savvy about it and can notice it, eg with how Vega was (under-)utilised, or Ampere now at lower resolutions because even GPUs can't simply use 100% of themselves in games there will still be variations in workload type etc.

So while I wouldn't say that an 8-core CPU won't have an advantage at all thanks to consoles, I wouldn't accept the framing of the post I was responding to, which was 'will the 5600x now be dead in the water 'cause of 6 cores'. And that's mainly what I was getting at. In real world scenarios those extra 2 cores won't make a massive difference in games because 6 is already quite a few and there's CPU limits to the way games are coded, and there's also every greater difficulty to properly use more cores (diminish returns).

Thus a 5600x is a great buy regardless of console specs. :)
 
Linus benchmarks intel cpus at stock
But still not very representative since no one buys a K SKU and then runs it at stock which is why I think hardware unboxed is a more realistic comparison.

Imo all CPU reviews should show the stock and overclocked numbers especially since overclocking is a feature on Intel you pay a premium for.

If they are not going to then they might aswell just use Intel non K SKUs in the benchmarks and use their much lower price points in the comparison.

linus used manually tuned 3600 cl14

So tuned up the memory yet left the CPU stock...
 
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Just as well I ordered a 5950X then. ;)

even the 5950x wil
But still not very representative since no one buys a K SKU and then runs it at stock which is why I think hardware unboxed is a more realistic comparison.

Imo all CPU reviews should show the stock and overclocked numbers especially since overclocking is a feature on Intel you pay a premium for.

If they are not going to then they might aswell just use Intel non K SKUs in the benchmarks and use their much lower price points in the comparison.



So tuned up the memory yet left the CPU stock...

Other benchmarkera tested CPUs with overclocks if you are that way inclined and actually most pc gamers don't overclock their cpu even if it's a k model.
 
I think he is being critical. I dont necessarly disagree with what hes saying. Hes right in that, the 5800x is a lot more money, for a little more performance in gaming. And no where near as good at the 5900x at work applications.

The 5900x is marginally better at gaming then the 5800x, but also only marginally more expensive.

So, what hes saying is for gaming, just get the 5600x as your wasting your money for a margin of perfomance getting a 5800x, but...............

5800x is still the better chip for gaming then the 5600x. So just depends on how you value the performance to the cost.

This, it even (marginaly) bests the 3900x in some games.
The only downside, is for some odd reason the reviews show it running a bit hotter than the 5900x.
No doubt bang for buck is the 3600x, and the 3900x/ 3950x are the productivity kings. Ya pays ya money ....
 
even the 5950x wil


Other benchmarkera tested CPUs with overclocks if you are that way inclined and actually most pc gamers don't overclock their cpu even if it's a k model.
Enabling MCE is just a setting like XMP so I'm sure most would do this and probably more than would go to the trouble of fine tuning the ram.
 
Enabling MCE is just a setting like XMP so I'm sure most would do this and probably more than would go to the trouble of fine tuning the ram.

I dunno man take it up with Linus that's how he does all cpu tests. To be fair it's a level playing field, he didn't overclock the ryzen cpu either - if he turns mce on then he should turn pbo on for the ryzen
 
I dunno man take it up with Linus that's how he does all cpu tests. To be fair it's a level playing field, he didn't overclock the ryzen cpu either - if he turns mce on then he should turn pbo on for the ryzen
And maybe also run the ram at 4600/16 like you can on Intel.

I mean he set it all up to heavily favour the ryzen CPU and this was why his results showed that compared to other reviewers.
 
And maybe also run the ram at 4600/16 like you can on Intel.

I mean he set it all up to heavily favour the ryzen CPU and this was why his results showed that compared to other reviewers.

Sure, I don't generally see reviewers use faster than 3600. Speeds of 4000+ is mainly used by overclockers trying to set records and require high voltages that people don't want to use on a daily machine - it's also very expensive to buy.

No he did not set it up to favour anyone, he used the same ram speed on both systems.

atop looking for excuses, intel lost just like trump lost, just accept it
 
But still not very representative since no one buys a K SKU and then runs it at stock which is why I think hardware unboxed is a more realistic comparison.

Imo all CPU reviews should show the stock and overclocked numbers especially since overclocking is a feature on Intel you pay a premium for.

If they are not going to then they might aswell just use Intel non K SKUs in the benchmarks and use their much lower price points in the comparison.



So tuned up the memory yet left the CPU stock...
Stock vs stock is a fair comparison. Overclock vs overclock brings factors such as mobo quality and capabilities as well as CPU silicon quality into question. The kind of performance is then not guaranteed to us mortals who are watching these videos.

I am not aware that HB use Intel systems with MCE turned on. If they did then that’s fairly naughty of them. Although with the way ryzen works - PBO is effectively an AMD overclock.

memory turning is fair enough. 3600C14 you can get standard XMP kit off the shelf. If they were using 4000 with 1.45V for testing and running c17 then that would be extremely dubious as that is fairly specialist ram and not even the best ram can guarantee that sort of the performance as you got to be pretty lucky.
 
And the 5900X (will have one decent 6 core CCD and a lesser 6 core CCD).


Sorry but I don't follow your logic. AIUI there are simply two 6-core CCDs. Not one high quality and one low.

I mean he set it all up to heavily favour the ryzen CPU and this was why his results showed that compared to other reviewers.

He's put out another video covering this and apparently it's down to his using 3600 MHz RAM whereas others were using 3200 MHz.


Apparently his results are consistent with other testers using DDR4-3600.

If they were using 4000

I think he said Derbauer got DDR4-4000 working with 2000 MHz infinity fabric.
 
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