The system chassis weighs ten tons, contains four tons of fluorinert coolant, and is approximately the shape and size of a very large chest freezer
And yet people complain about their mobile phone not being thin enough. It's amazing how far we've come in only 15 years.
The CRAY T94 mainframe is 5 ft wide, 3 ft deep, and 4 ft high (1.5 m x 1 m x 1.5 m). It has a dry weight of 2000 lbs (909 kg).
So only 120 times thicker than an iPhone 5, but 8,000 times more massive.