FURMARk frametime spikes normal?

[ko4]

These are my furmark frametimes (red boxes)


As you can see, there some frametimes spikes. I've been getting them in games too

Can anyone share their furmark frametime graphs with me? If it's not a furmark thing I will end up replacing my gpu

[JeGX]

My frametime (RTX 2070 + driver 425.31) during 5min:




What is your graphics card?