Beaverton is about 321 times smaller than Beijing.

Beijing is approximately 16,411 sq km, while Beaverton (map shows its 13 named neighbourhoods; the area covers the whole city) is approximately 51 sq km, making Beaverton 0.31% the size of Beijing.
Tip: This to-scale comparison of Beijing vs. Beaverton uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.