Vastly slower. China is on one hand building enough renewables to soak up the entire grid expansion and displace fossil fuels.
On the other hand their nuclear share is declining. It peaked at 4.7% in 2021 and is today down to 4.3%. Entirely irrelevant.
For each plan they put out they lower their nuclear targets and push them further into the future.
Going from a French like buildout 10-15 years ago to having it as a token investment today.