I think it's a timeline issue. They likely have skipped A13X due to TSMC's fast cadence of 7nm+ and are working on A14. I'm guessing that A14X is destined for t

I think it's a timeline issue. They likely have skipped A13X due to TSMC's fast cadence of 7nm+ and are working on A14. I'm guessing that A14X is destined for the Mac and next iPad Pro but that's maybe 9 months out? This CPU should be an A12X + extra GPU performance, but who knows what it brings.