Hygon is relying on AMD’s 2017 Zen 1 architecture for its CPUs and, as a result, gets beaten handily by all modern mainstream desktop CPUs.
Can you buy it?
Still it’s there. Their progress rate is impressive. They’ll close the gap (and then some) soon enough.
I’m skeptical. While it might look like they are a decade behind, this is basically as far as they can go without EUV lithography for which they have no expertise themselves and no access to the machines from the outside world.
ASML is the world supplier. And recently Canon showed some promising results. But both companies are prohibited from sharing anything with China. And even if China could get access to the machine specs, lack of expertise in how to properly run them wouldn’t help them much.