Back on top?! AMD Radeon RX 6800 and RX 6800 XT Review - Feel the same, but with big differences in detail | Page 15

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.