Any potential problems with the density of a planet with a volume 8 times that of Earth but the same surface gravity as Earth?

Assuming that there is an Earth-like planet that has 8 times the volume, 2.83 times the radius, and has the same surface gravity as Earth, and has oceans; what are potential problems concerning the density of this planet if it isn't hollow that risk it being less Earth like either composition-wise or just in how hard or soft the surface is?

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Any potential problems with the density of a planet with a volume 8 times that of Earth but the same surface gravity as Earth?

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