A three-year broadcasting deal in place from the start of the season saw each Premier League club's revenue increase.
United earned £89.1m in 2013-14, but the £60.8m they picked up as champions 12 months prior was outstripped as Cardiff received £62.1m.
Champions Manchester City earned £96.6m behind top-earners Liverpool (£97.5m).
Liverpool picked up 1.57 times more than the bottom earners - Cardiff - but the ratio is the tightest in any of Europe's top leagues, suggesting Premier League television revenue is distributed in a more competitive manner than on the continent.
The Reds were televised 28 times in 2013-14 - prompting a £42.7m rise in year-on-year television revenue - while ninth-placed Stoke City were shown seven times, less than any other side.
In all, Premier League clubs brought in £1.6bn from broadcasting revenue for the season, an increase from £972m in the 2012-13 campaign.
Half of all domestic broadcast revenue is split evenly among the league's clubs, with a quarter of the money paid according to a team's league position and the final 25% depending on how often a team is televised.
Overseas broadcast revenue amounted to a payment of £26.3m to each club.
Cardiff were the league's lowest earners courtesy of only being televised eight times and their lowly position, but their earnings emphasise the scale of the Premier League's £3.018bn deal over three seasons, which started in August.
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