Radeon RX 6900 XT Ultimate from PowerColor breached the 3.3 GHz OC marker

by Hilbert Hagedoorn on: 05/14/2021 09:48 AM | source: 3dmark | 6 comment(s)

There's a bit of a competitive race for reaching the highest clock frequency on GPU overclocking, the RX 6900 XTs are suitable GPUs alright. This round a Greek overclocker achieved a clock speed of 3321 MHz.

OGS (Greek overclocker) managed to do that with a PowerColor Red Devil RX 6900 XT Ultimate. Breaching the frequency, both the GPU and the Ryzen 5950X were cooled with sub-zero liquid coolant liquid nitrogen. The speed of the processor actually also was nice, at 5.6 GHz. The combination of the both presented itself in a nice 37618 points in the 3DMark Fire Strike Extreme, which is almost 18% faster than the highest score up to that point with similar hardware.

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alpha007org
Senior Member

Posts: 101
Joined: 2007-08-16

#5912474 Posted on: 05/15/2021 03:41 PM

buildzoid used soft power play tables on 6900XT to unlock the power to 400W and get 6th in Fire Strike on Air Cooling.

Making soft power play tables for the 6900XT from scratch (applicable to most AMD GPUs):

I don't think his clocks were ridiculously high... but if you are interested in OC by "smallest effort possible" watch his youtube video.

GeniusPr0
Senior Member

Posts: 1383
Joined: 2003-04-26

#5912475 Posted on: 05/15/2021 03:43 PM

I don't think his clocks were ridiculously high... but if you are interested in OC by "smallest effort possible" watch his youtube video.

Very nice. Too bad winter is over.

tunejunky
Senior Member

Posts: 3074
Joined: 2017-08-18

#5912485 Posted on: 05/15/2021 04:55 PM

what i'd like to see is a gpu shoot-out with enthusiast level WC, not LN.
a lot of folks (me! me! me!) have loops built to the full extent of a case. so let's start with 600mm worth of rads (i have 740) at 20-25c ambient room temps.

so while the 6900xt is not in my cards, i'd love to see the 6800xt/ rtx 3080/70
tested under those parameters.

schilperoordbas
Senior Member

Posts: 156
Joined: 2014-07-17

#5912543 Posted on: 05/15/2021 10:22 PM

You need an advanced power plant to power that. 400 watts is crazy.

Ojref
Member

Posts: 89
Joined: 2017-09-11

#5912696 Posted on: 05/17/2021 01:40 AM

Wonderful. It would be nice to see this for myself, but unfortunately they'll all go to buttcoin miners. Can't wait till the used market is absolutely saturated and glutted in a few months.

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