Two artists dropping albums and EP's around the same time as each other nonetheless a common thing in Hip Hop and proven no different between Future and Tyga.
Tyga's album Legendary had sold 400,000+ album equivalent units in total activity sneaking into Top 20 projects at no. 18. Tyga has been riding the success of "Taste" featuring Migos member Offset and featured on YG's "Go Loko" heading into Legendary's release. The album boasted all-star appearances from artists like Chris Brown Lil Wayne among the few collaborations.
As for Future, "Save Me" is a EP and has not contribute any physical or digital sales and only used in means of streaming elsewhere. Although having a mixed review given by Pitchfork, Save Me is a project that has Future hitting a wall