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Ya'ver drink Brazilian bold from fkn dunkn donuts!
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Discussion Starter #1
just lol if you buy intel in the YOOL 2017

There are some things happening this year in the land of consumer CPU's and Ryzen is currently hot in the press.

http://www.tweaktown.com/news/56198/amd-ryzen-r7-1800x-8c-16t-cpu-649/index.html

Off the bat AMD's new 1800X CPU is looking at 650USD for an 8c16t beast that overclocked will sit between 4.0-4.2GHZ. That's a top of the line chip with enough physical cores and enough IPC that has surpassed (on well binned chips at least) AMD's performance prediction. This not only makes their top chip great value in the face of intel's 8c16t chips, but puts some pressure on the i7 market.

6c12t are apparently benchmarking well and could cause some serious rethinking of what to buy CPU wise.

intel are going to respond with the i7-7740k with a base clock of 4.3 and turbo to 4.6, while it isn't a groundbreaking countermeasure at least they are keeping their name in the game so to speak.

Fuark it's been forever since AMD have been relevant in the desktop space.
 

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Elven-Dragon Mage
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Only way I will purchase a new desktop system since I would need to change out 2/3rds of my entire desktop will be when I can get a laptop for $1500 or less that out performs my i5 3570k oc to 4.2ghz by a decent margin. the current i7 7700hq is similar in performance and the 1060 is slightly better than the 970 in my desktop. So I can see my i5 lasting another couple of years easily at this rate. My current laptop is a i5 2520m that I will likely be replacing with said i7 7700hq now that Intel has finally put out a CPU that beats the broadwell based i7 5700hq since the 6700hq was a downgrade from it. the STP of the 7700hq is slightly over 2k while i get over 2300STP with my oc on my i5 3570k so as I said it looks like my i5 will easily last a couple more years at this rate and its quite an old chip already. by the time I replace it intel should have some compeition in AMD once again so both performance and price should e quite interesting. Theres a reason I have't felt the need to upgrade my CPU in so long.
 

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Wccftech is claiming even lower prices, but, you know. It's wccftech so take with a grain of salt.
They say the online retailer shopblt always had accurate prices for upcoming AMD cpus, and they offer prices for 3 Ryzen products. All 8 cores/ 16 threads.
R7 1700 317$ - Boosts to 3.7ghz
R7 1700x 382$ - 3.4 ghz / boost to 3.8
R7 1800x 490$ - 3.6 ghz / boost to 4ghz


Also, seems AMD isn't planning to support Windows 7. Seems they confirmed that you can in fact boot a PC with Ryzen and Windows 7, but they won't be supporting it. No guarantee of full performance or stability.
 

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Ya'ver drink Brazilian bold from fkn dunkn donuts!
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Discussion Starter #5

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Replacing the horrible TIM is cool, and probably the better part of what they've changed. It honestly seemed like a deliberate step to reduce overclocking potential. The one thing currently making me lean toward Intel is that their CPUs typically overclock like fuck and it's still unclear if Ryzen will overclock well. Ryzen seems (so far) to be a very very strong competitor to Kaby Lake when it comes to stock performance, but I haven't used a CPU at stock performance in a very long time. I'm eager to see how the new kaby and Ryzen overclock.
 

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Ya'ver drink Brazilian bold from fkn dunkn donuts!
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Discussion Starter #7
https://twitter.com/VideoCardz/status/830756074126970880

lol




The top dog 1800X runs at 0.9v to get it's blood flowing, but its a top binned chip to get that 3600mhz. 1700X will not be as power efficient but will probably still clock well.

And about overclocking evidently Ryzen will require special cooling to comply with its hardware safety limits.

https://videocardz.com/65892/amd-ryzen-7-1800x-1700x-and-ryzen-5-1600x-will-require-special-coolers

And some synthetic benchmarks of the 1700x.

Interesting times fam.
 

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Ya'ver drink Brazilian bold from fkn dunkn donuts!
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Discussion Starter #12 (Edited)

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https://arstechnica.com/information-technology/2017/02/amd-ryzen-arrives-march-2-8-cores-16-threads-from-just-329/

On March 2, and preorderable today, the first three Ryzen processors will be available to buy. All three processors use AMD's brand-new Zen core. All are eight-core, 16-thread parts; all have a 16MB level 3 cache shared across all cores; and all three are unlocked for overclocking.

The top-end part is the R7 1800X. This $499 chip will have a 3.6GHz base speed and a 4.0GHz boost speed, with a 95W TDP. AMD is positioning it against Intel's i7-6900K, a $1,050 processor using the Broadwell-E core running at 3.2 GHz, and turboing up to 3.7GHz.
...
The company was aiming to improve IPC by 40 percent over its previous processor design, and Lisa Su said that it didn't just hit this target—it surpassed it for a 52 percent improvement. This puts AMD back in the performance game.
 

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Hmm...

The fastest ryzen so far is like 35% faster on single thread loads and 40% faster on multi-thread loads compared to my cpu from 2012. Not even 50% faster... the same goes for current intel stuff.

No, thanks.
 

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ヒット激しく速く
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So just like with the FX series this chips need decent VRM's, i hope mobo manufacturers (especially looking at MSI) will learn from their mistakes with the FX line and provide decent power phases or proper display of CPU's support for the boards supporting Ryzen.
 

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Ya'ver drink Brazilian bold from fkn dunkn donuts!
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Discussion Starter #19
Some food for thought which I posted in the memory thread.

First off we had some rumours about weak IMC due to supposedly low speed. This was followed by a rumour that actually Zen had insane efficiency way above Intel and as such lower speeds actually had same performance as higher on Intel.

http://ranker.sisoftware.net/show_r...e4dceadceddae3c5b78aba9cf99ca191b7c4f9c9&l=en

This is a Zen getting 33.99GB/s out of 2133Mhz memory, which has a theoretical maximum bandwidth of 34.128GB/s... meaning, epic efficiency.

For comparison you have

http://ranker.sisoftware.net/show_r...e4dcefdae3d5e7c1b38ebe98fd98a595b3c0fdcd&l=en

Broadwell-e with 3200Mhz memory achieving 74.97GB/s with max theoretical of 102.4GB/s, so around 75% efficiency.

http://ranker.sisoftware.net/show_r...e4d3ebd3ead3e6c0b28fbf99fc99a494b2c1fccc&l=en

Skylake with similar (lower latency though) memory achieving 26.52GB/s at 2133Mhz, with obviously max theoretical of 34.128GB/s. A little over 75% efficiency. Another way to look at the results, if true, is that Zen has 28% higher bandwidth at the same memory speed.

If that scales at the same rate then 2666Mhz on Zen would give the same bandwidth that Skylake(and thus Kaby) would at 3400Mhz.

Along with those rumours was a mention that Zen was currently locked at 1t, we also have Asus managing to get higher memory speed. I wonder if Asus unlocked some settings that aren't supposed to be unlocked yet and in doing so managed to lower timings to up memory speeds, but sacrificing efficiency.

Basically I'm just trying to say, heads up, new platform, don't assume 2666Mhz is even bad, OR that 3200Mhz(at potentially much lower timings) is automatically better than 2666Mhz.

http://www.corsair.com/en-eu/blog/2014/september/ddr3_vs_ddr4_synthetic

Posted this before, but another thing to bear in mind, Haswell tanked in bandwidth efficiency after 2400mhz. We absolutely do not know that super fast memory speeds will bring ANY better performance yet. I mean Sisoft doesn't usually get faked afaik, and the result fits with some rumour 1-2 weeks back, it would also explain most issues of getting higher memory speeds.

I would say, don't jump on a £250 board because someone is telling you 3200Mhz needs a £250 board, because we don't even know if 3200Mhz is faster, besides the fact that I fully expect lots of cheaper boards to be updated and tweaked to achieve ballpark similar clock speeds at some point anyway.
https://forums.overclockers.co.uk/threads/amd-zen-thread-inc-am4-apu-discussion.18665505/page-449

Ayyyy, just make sure you check the latency of your rams.

Also be aware duders that the initial boards are likely to have issues and will require tinkering to get working smooth. Gibbo has mentioned that Asus boards are having some difficulty and will take some months to get working right.

If you decide to overclock, check the VRM's (you should be doing this anyway before any purchase) as the mid range boards may not be suited for some higher overclocks.
 
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