The scales of rollout are so vastly different, it is just noise.

China will add 450GW or more renewables this year alone.

Even after dividing by 4 this represents more additional energy production capacity in ONE year than their 15 year target for nuclear. This is after your capacity factor adjustment.

Nuclear’s contribution to Chinese electricity production at the end of their 2040 nuclear plan is likely to be below 5%. Even less than nuclear’s current global share of about 9% - down from just under 20% in the mid 1990s.