1500MHz idle - SAPPHIRE R7 260X 2GB GDDR5 OC

Fljotavik

Reputable
May 9, 2015
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4,510
My card is idling and jumps from 150MHz memory clock to 1500 constantly. There is also constant black screen flickering.

Drivers are up to date (14.12)
Card is SAPPHIRE R7 260X 2GB GDDR5 OC

Temperatures are normal, nothing has been altered.

What could be causing such inconsistent Memory Clock?

Any input appreciated, thanks.

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That's just how card works to save energy. In fact, almost every card today does that (as well as all regular CPUs). When idle, clocks drop considerably to reduce consumption. It ramps back again when under load. It all happens almost instantly, so you cannot see the transition in practice.