Politics aside, China is clearly a more powerful country than Russia, 10 times the population and a huge manufacturing capacity, so if push ever came to shove, I believe China would be a much more dangerous opponent than Russia. Not that Russia is a country any sane person would want to go to war against.
Evacuation of the planet should commence as soon as possible.
Betelgeuse 4 has quite a relaxed policy, when it comes to immigration, I've heard.
Both are threats, but our biggest threat to the demise is ourselves.
Right now, I think the greatest threat to the West is US Media and liberal universities.