The rapper's latest effort Battle Of The Sexes sold 137,000 copies to take the top spot. The Damon Albarn-helmed band managed 112,000 units to nab number two with new album Plastic Beach.
According to Nielsen SoundScan, the cartoon group's third LP, which features a host of cameos including Snoop Dogg and Lou Reed, is their highest-charting album in the US after second record Demon Days scaled to number six in 2006.
Elsewhere, Jimi Hendrix's reissue package Valleys Of Neptune was a new entry at number four and Lady Antebellum's Need You Now fell from the top to number three.
The self-titled debut from Broken Bells, a duo composed of Danger Mouse and the Shins' lead singer James Mercer, also charted inside the top ten at number seven.