Although both arer gas giants, there are many differences between them including atmospheric composition, mass (Obvious), Moons, Gravitation, and the infamous "Red Spot"
Uranus has a lower orbital speed than Jupiter.
Uranus is a little bit bigger if you measure it with Neptune, but even though Uranus is bigger- Neptune is actually heavier if you measure their weight. Which means even if Uranus is bigger, Neptune is heavier.
Four: Jupiter, Saturn, Uranus and Neptune.
Jupiter, Uranus, Neptune, and Saturn.
Pluto is not a planet so that would be Mercury is 13.72% smaller. Venus is 0.23% smaller. Mars is 9.42% smaller. So that means 3 planets are smaller than Earth.
Saturn, Uranus and Neptune are smaller than Jupiter but larger than the earth
because they are colder and bigger and further out.
Saturn, Uranus, and Neptune are all larger than Earth but smaller than Jupiter.
The four gas giants are bigger, Jupiter Saturn, Neptune, Uranus.
Uranus has a diameter about 4 times larger than the Earth's. See related link for a pictorial comparison.
The planet Saturn is between Jupiter and Uranus.
A day on Uranus is shorter than a day on Jupiter. Uranus rotates on its axis once in about 17 hours, while Jupiter rotates once in about 10 hours.