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 Post subject: Ryzen 5 2600 and Ryzen 7 2700
PostPosted: Wed Apr 25, 2018 6:50 am 
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The R5 2600 is $200 (6 cores, 12 threads and the R7 2700 is $300 (8 cores, 16 threads). Released mid-April 2018. Both of these second generation Ryzen's are incremental improvements (~+10% better performance) over the Ryzen 5 1600 and Ryzen 7 1700 respectively due to higher clock speeds. These CPU's can be overclocked to 4.0-4.2+ speeds instead of 3.8-3.9. This essentially edges out the difference between Coffee Lake and the previous gen of Ryzen. Like many other incremental upgrade products, there's no strong incentive to upgrade from 1st to 2nd gen, but 2nd gen gives consumers more value for their money than last year. Last year's Ryzen chips are cheaper; worth it for budget builds. Motherboards for the earlier Ryzen chips will work for these, but some may require a BIOS update first. Unlike the 2200G and 2400G, these CPU's don't have integrated graphics. AMD essentially decided that while the entry-level market needed integrated graphics, the enthusiast end of the market was more likely to buy a dedicated video card. R5 2600 comes with the same Wraith Spire cooler, which is noisy though not as bad as Intel's stock. R7 2700 comes with a brand new renovated cooler which won't win any awards for silence either, but offers quite good performance for a free cooler. The "X" series of Ryzen's cost 10% more than the base models, but they are pre-overclocked out of the box. Assuming these chips are not overclocked to the max, all four are very energy efficient CPU's to cool. 2700 is good for those who will use the extra cores and threads, but for the majority of builds, it's safe to assume the 2600 will offer better bang for buck. Overall, these are both strong CPU's at reasonable prices for enthusiast use.


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 Post subject: Re: Ryzen 5 2600 and Ryzen 7 2700
PostPosted: Fri Apr 27, 2018 5:01 am 
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The 1000-series is cheaper for now. Most of the varieties are (soon) out of production, so they will be out of stock or available at higher prices. There's no need for them any more.

While the new non-X models can be reasonably overclocked, for most users it's better to get with the X versions and leave them at default settings.
With overclocking you increase the speed of all cores, and can't reach the turbo speed for one or two cores on the X models. Unless you make heavy use of all cores most of the time it's therefore better to allow the CPU to regulate its own speed depending on load and temperature.


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 Post subject: Re: Ryzen 5 2600 and Ryzen 7 2700
PostPosted: Fri Apr 27, 2018 5:46 am 
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To me more important than the chip themselves is how upcoming software and games will start supporting them, i feel we are like in the era of single core going to dual core, intel milk us with quads for 10 years on their low/mid end, in the last year we seen intel release their first 6 core for this line, and now there is a rumor that Z390 will bring an 8 core, now neither will be a good buy unless you need the cpu power or if the support for multi core / thread app gets better short term.

I still think that Intel is a better buy for gamers and people needing higher clocks, and Ryzen is a better buy for streaming/edting/transcoding/rendering. Either way we have received more upgrades this last year than past 10.... and i hope its not stopping there. The average user, now a days don't even need a pc, tablets/phones can do most of the daily things, like webrowsing, consuming media, but for working and gaming i do think its worth building a pc, which.... i think both AMD and Intel have very good offering.

On topic, prise wise the 2600 is tempting, but for six core i would go with intel, now at $300 markup, i would probably build around a 2700X.

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 Post subject: Re: Ryzen 5 2600 and Ryzen 7 2700
PostPosted: Tue May 01, 2018 5:15 pm 
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Yes, the industry is moving in the direction of more cores rather than higher clock speeds. As a result I expect Ryzen chips to have good, if not better longevity, than Intel's. Price is always a consideration. The extra $50-70 one pays for Intel is money could be spending on more storage, quieter cooling, a better case, etc.

The first gen Ryzen's are also a good deal now. Considering the 2nd gen is only ~10% (?) better, the performance to price of both generations are similar, and it comes down to personal preference. However, the biggest downside of these new chips: 1st gen motherboards don't support 2000-series CPU's unless a BIOS update is performed on the motherboard with the 1000-series chips already inside. In the Mini ITX market, for example, the only motherboard that supports 2000-series CPU's out of the box is $200 (double or triple than other boards). Limited motherboard selection, especially in ITX, has been a fault of the Ryzen series which is unfortunately not solved. For this reason, the 1600 or 1700 might be better for some.


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 Post subject: Re: Ryzen 5 2600 and Ryzen 7 2700
PostPosted: Fri May 04, 2018 3:51 am 
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Now it's gone so far that even Tom's Hardware rates Ryzen 7 2700X as the very best CPU for gaming!
They've had Ryzens as "optional" in most price brackets before, but not as the primary option.

Kyle Bennett at [H]OCP also has a deep analysis of Precision Boost 2 and AMD's new Prism cooler.
In short his conclusion of PB2 is: Let PB2 do the overclocking!


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 Post subject: Re: Ryzen 5 2600 and Ryzen 7 2700
PostPosted: Fri May 18, 2018 11:30 am 
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I had a related question, regarding overclocking.

I'm looking at getting a Ryzen 5, either a 2600 or 2600X.

The 2600 has a base clock of 3.4GHz boosting to 3.9GHz with a TDP of 65W
The 2600X base is 3.6GHz boosting to 4.2GHz with a TDP of 95W

According to Bit-tech, the 2600 is very power efficient: https://www.bit-tech.net/reviews/tech/c ... -review/6/
Especially at load.

My question is: If you overclock the 2600, would that push up the TDP to the same TDP level of the 2600X? In other words, will overclocking merely cancel out any power saving gains you get from leaving the 2600 at stock?


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 Post subject: Re: Ryzen 5 2600 and Ryzen 7 2700
PostPosted: Fri May 18, 2018 3:56 pm 
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Will you be able to provide a CPU voltage that's under stock range at freq's similar to the X part? Probably a die lottery. So, maybe yes, maybe no.

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 Post subject: Re: Ryzen 5 2600 and Ryzen 7 2700
PostPosted: Tue May 22, 2018 6:11 am 
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Overclocking will increase the power consumption.
Question is what performance you want? All cores or single core?
Overclocking the 2600 (all cores) to 3.7 GHz probably won't reach 95W, but will also give you less performance (than 2600X) when fewer cores are utilised.

You get the best efficiency by not overclocking manually but just let XFR2 and PB2 do its magic. (I recommend reading this article.
To get the most computing performance out of a 2600 you need to overclock all cores towards 4 GHz and by that increase the power consumption above 100W.


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 Post subject: Re: Ryzen 5 2600 and Ryzen 7 2700
PostPosted: Sun May 27, 2018 9:07 am 
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Joined: Tue Jul 22, 2008 6:05 pm
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Location: Calgary, AB, Canada
Thanks Ollie. That's sort of what I intuitively suspected.

From all the reading I've done, it seems overclocking the 2600 or 2700 draws a lot more power than overclocking the 'X' models.
https://www.bit-tech.net/reviews/tech/c ... -review/6/

And most of the reviewers I've read (kitguru, OC3.net, Tom's, etc) agree that overclocking Ryzen doesn't bring much benefit, it's best to leave the chip at native speed and let it do its thing.


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