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Over 1900 FCLK?

 
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post #1 of 6 (permalink) Old 09-12-2019, 09:27 PM - Thread Starter
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Over 1900 FCLK?

Did anyone try? Was it worth once attained or the high latencies needed to sustain over 3800mhz ram suffered?

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post #2 of 6 (permalink) Old 09-13-2019, 08:56 AM
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the higher latencies you speak of wont matter if you run same timings. anyways, faster fclk is always better if you keep uclk and mclk synced.

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post #3 of 6 (permalink) Old 09-13-2019, 07:56 PM
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Not many chips will do more than 1900. Lower bins often won't do more than 1800.

Guessing TR4 we might be able to push to 2000 consistently .. which given the huge gains in gaming with memory and IF speed, might actually make TR4 the better gaming platform this time - if you have the cash.

Edit: Though I suppose it's not guaranteed they'll bin the I/O chip.
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post #4 of 6 (permalink) Old 09-14-2019, 09:29 PM
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Quote: Originally Posted by pmc25 View Post
Not many chips will do more than 1900. Lower bins often won't do more than 1800.

Guessing TR4 we might be able to push to 2000 consistently .. which given the huge gains in gaming with memory and IF speed, might actually make TR4 the better gaming platform this time - if you have the cash.

Edit: Though I suppose it's not guaranteed they'll bin the I/O chip.
In all honesty I think what's holding back is more the motherboard than the processor. I was using a C7H before and could not do 1900 FCLK or Infinity Fabric, even 1800 struggled but with the Msi Meg X570 Ace I am using now it is a walk in the park, and the actual Infinity fabric and FCLK clock is around 1911 with the BCLK at 100.6mhz. My memory at 3800 is perfectly stable as I ran Kharu Memtest to 25000% overnight without any issues.

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post #5 of 6 (permalink) Old 09-16-2019, 05:49 AM
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Quote: Originally Posted by pmc25 View Post
Not many chips will do more than 1900. Lower bins often won't do more than 1800.

Guessing TR4 we might be able to push to 2000 consistently .. which given the huge gains in gaming with memory and IF speed, might actually make TR4 the better gaming platform this time - if you have the cash.

Edit: Though I suppose it's not guaranteed they'll bin the I/O chip.
Threadripper has a vastly more complex IO-die, as well as twice the amount of memory bandwidth putting a bigger strain on the IF, I seriously doubt we'll see higher FCLK there.

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post #6 of 6 (permalink) Old 09-16-2019, 04:25 PM
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Quote: Originally Posted by Arni90 View Post
Threadripper has a vastly more complex IO-die, as well as twice the amount of memory bandwidth putting a bigger strain on the IF, I seriously doubt we'll see higher FCLK there.
First gen TR4 typically hit higher memory clocks than first gen Ryzen, in my experience ... 2nd gen they hit about the same. 'Vastly more complex' is a bit of an exaggeration. FCLK / IF etc is obviously a bit different on 3rd gen to the previous iterations, so I guess we'll see.
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