BTC vs BNB
Right now on Binance, BTC is outperforming BNB over the last 24 hours.
BTC: $62,631.99, down about 2.66% in 24h
High: $64,478.00
Low: $62,272.07
BNB: $574.23, down about 2.88% in 24h
High: $592.71
Low: $570.82

So the quick takeaway: both are down today, but BTC is holding up slightly better than BNB.

If you want, I can also compare them on:
7-day performance
volatility
BTC/BNB ratio
or which looks stronger for a trade setup