Television/Smart TV
Smart TV has a better quality and bigger screen. Old TV didn't have a lot of channels and they were small.
Books/Kindle
Books weigh more and Kindle can stor more data and books. It is easy to use.
Cars (Fort Model T)/Ford GT
Fort Model T was slower. It had less horsepower and speed.
Mobile phone/smartphone
Mobile phone was heavy (1.1kg) and long. You could use him to call someone for 30 minutes and 10 hoyrs to reacharge it. Smartphones are smaller and shorter.
ENIAC/Portable calculator
ENIAC was huge and had 17000 vacuum tubes,70000 resistors and 10000 capacitors. Modern calculator are small (pocket size). It doesn't take much time and space.
Video Cam/HI-DEF Video Recorder
It could record up to 2,5 minutes and modern video recorder - for 4 hours and 21 min. It has more frames and a better quality.
Laptop/Compact Ultraportables
Laptop was heavy and had a small screen. It cost 1795 dollars. CU is lighter and has a bigger screen. It costs 1000 dollars.
Floppy disk/Thumb drive
You need more floppy disks to store large data and thumb drive is smaller in size.