Gaming GPUs Graphics Reviews

Back on top?! AMD Radeon RX 6800 and RX 6800 XT Review – Feel the same, but with big differences in detail

Load peaks (transients) and power supply recommendation

As I have already proved in detail in my basic article “The battle of graphics card against power supply – power consumption and load peaks demystified”, there are also higher loads in the millisecond range, which can lead to unexplainable shutdowns in the case of unfavorably designed or improperly equipped power supplies. The TBP (Typical Board Power) measured by the graphics card manufacturer or the reviewers alone does not really help in this case for a stable system design. Peaks with intervals between 1 and 10 ms can lead to shutdowns in very fast reacting protective circuits (OPP, OCP), especially in multi-rail power supplies, although the average power consumption is still within the standard.

For the Radeon RX 6800 XT, I would therefore calculate at least 400 watts for the normal OC with up to 350 watts as the power limit for the graphics card load, proportionate to the total secondary power consumption of the system, in order to have enough reserves for the worst case scenario.

In the Radeon RX 6800 everything turns out a perceived number smaller, so that you can also expect a share of the system power of about 350 watts. This should also satisfy all precautions, unless it is an ultra cheap China firecracker from power supply or a 10 year old Methusalem.


Transients as detailed graphics in different resolutions during gaming and stress testing

A short excerpt with higher resolution shows us now the 20 ms measurements (10 μS intervals), as I let them run automatically for value determination


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About the author

Igor Wallossek

Editor-in-chief and name-giver of igor'sLAB as the content successor of Tom's Hardware Germany, whose license was returned in June 2019 in order to better meet the qualitative demands of web content and challenges of new media such as YouTube with its own channel.

Computer nerd since 1983, audio freak since 1979 and pretty much open to anything with a plug or battery for over 50 years.

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