Apparent Nitnendo said they sold nearly half, of the consoles in April. Saw on Neogaf.
"Switch + 68K DS, so 348k is 'nearly half'. " - kyser73
Which means PS4+XB1 are abit higher than 350k.
My guess is PS4 put up a fight with the switch sales (240k range).... Xbox One had a very slow month.