Death Star vs Borg Cube size comparison

Comparison of the size between two iconic objects in the world of science fiction, first the Borg cube, then the Death Star. We see that the cube is tiny compared to this sphere, but it is much faster.

Object	Borg Cube	Death Star
Type	Spacialship (Class Cube)	Space base
Commandment	Borg Collective	Grand Moff Tarkin
Activity dates	2365 - still active	21 BBY (3256 LY), 0 BBY (3277 LY)
Crew and passengers	179,000 drones	607,360 troops, 265,675 crew, 167,216 ship pilots and aides, 52,276 gunners, 42,782 starship support staff, 25,984 stormtroopers.
Length	3 km	160 km
Height	3 km	160 km
Width	3 km	160 km
Number of levels	1,700 decks	84 levels, 29,988 sublevels.
Mass	9.0 × 1010 kg	5.1 × 1017 kg
Propulsion	Warp drive, transwarp capable.	607,360 troops, 265,675 crew, 167,216 ship pilots and aides, 52,276 gunners, 42,782 starship support staff, 25,984 stormtroopers.
Maximum speed	7,912c (Warp 9.99) 199,516c (Transwarp 9.9999)	1,142,500c
Armament	High-power disruptor beams, high-yield torpedoes, cutting beams, tractor beam.	1 Mk I superlaser, 768 tractor beam emplacements, 15,000 turbolaser batteries, 2,500 super blaster 920 laser cannons, 2,500 ion cannons, TIE starfighters, TIE advanced x1.

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.