For the past year, graphics card manufacturers have been on a bit of a sugar high given the meteoric rise of cryptocurrency mining. Those looking to earn a bit of cash on the side have gobbled up graphics cards from both the AMD and NVIDIA camps, which in turn inflated sales numbers for NVIDIA and AMD along with their AIB partners.
It appears

Source: Hot Hardware – NVIDIA And AMD Board Partners Bracing For Steep 40% Decline In April GPU Shipments An Opportunity For Gamers