USS Enterprise NCC-1701-D vs USS Enterprise NCC-1701 size comparison

Comparison between the original version of the USS Enterprise in the first series, ie the NCC-1701 and the version in the TNS series with Captain Jean-Luc Picard, the NCC-1701-D.

Object	USS Enterprise NCC-1701-D	USS Enterprise NCC-1701
Type	Spacialship (Class Galaxy)	Spacialship (Class Constitution)
Commandment	Jean-Luc Picard	James T. Kirk
Activity dates	2363 - 2371	2245 - 2285
Crew and passengers	1,012 crew	428 crew
Length	642 m	289 m
Height	195 m	73 m
Width	463 m	132 m
Number of levels	42 decks	23 decks
Mass	4.5 × 109 kg	6.2 × 108 kg
Propulsion	Warp drive.	428 crew
Maximum speed	2,671c (Warp 9.8)	1,024c (Wrap 8)
Armament	12 phaser arrays, 3 torpedo launchers.	Phasers, photon torpedoes.
Defense	High-capacity deflector shields.	Deflector shields.

Note: if one of the objects is not visible, it just means that it is too tiny to be displayed compared to the other one.

1c: speed of light.