Core M all the way. Number of cores does not affect anything but multitasking ability. There’s also little to no need in 8gb. Also, seems there’s no cooling solution for Atoms whereas Ms are ok. <span style=”line-height: 1.5;”>As for productivity, Cherries and Bays are pretty much the same level. Basically, CT=BT + Gen8 graphic chip. Core M all the way. Personally, I’ve ordered Cube i7 Stylus for coding. </span>