Jensen said the Huawei Ascend 950 is roughly comparable to the NVidia H200[1]
The H200 was released Nov 2024.
Even allowing for Jensen exaggerating the risk there is no way China is 7-10 years behind.
Looking at manufacturing process nodes, SMIC N+3 is a a 5nm process. 5nm was introduced by Samsung and TSMC in 2020 so at most that is 6 years.
But the chips they can produce on it are roughly comparable to "roughly level with Android flagships from three years ago"[2]
TL;DR: China is more like 2-4 years behind than 7-10 years. If China developed EUV lithography then all bets are off.
[1] https://www.reddit.com/r/LocalLLaMA/comments/1kxw6b9/nvidia_... - see video.
[2] https://www.tomshardware.com/tech-industry/semiconductors/se...
2-4 years is enough to lock them out of the race.