Mars Surface pressure: 6.36 mb at mean radius (variable from 4.0 to 8.7 mb depending on season)
Earth Surface pressure: 1,014 mb
Mars Surface density: ~0.020 kg/m3
Surface density: 1.217 kg/m3
Mars Average temperature: ~210 K (-63 C)
Earth Average temperature: 288 K (15 C)
Someone said “Venus” and I was describing Venus, not Mars