http://liliputing.com/2015/04/intel-pushes-atom-braswell-and-core-m-chips-for...http://anandtech.com/show/9117/analyzing-intel-core-m-performance/So now you need to have a "selection tool" to use to pick which currently shipping Intel processor type that will perhaps work best in your given situation without getting into excess thermal throttling or other evils ???
Inside the next 3 months Intel will have 5-6 overlapping levels of Atom/Cherry Trail 5 & 6 & 7 and Celeron and Braswell and Broadwell M and U and Y and the old Core i3 and Core i5 laptop chipsets too. And Skylake too, let's not forget about that.
This is really really stupid, Intel is wasting their efforts (and ours) by doing this gross repeated (and repeated, and repeated again) functional overlap nonsense.
For example, no one knows what to do with a 14nm Broadwell M right now -- it costs more than the old Core i5 but it is
slower and Broadwell M eats on its "smaller spec'd" battery worse than the older 22nm Core i5 chip did on its standard sized battery. For any solution you think Broadwell M fits, something else cheaper fits there too (and performs better also).
Functionally, Broadwell M isn't better than, well, anything. It just costs a lot more. And once you put in the battery that Broadwell M really requires, you might as well have used the Core i5 from last year as well --- and by doing so ditch all the thermal throttling issues as well.
Get rid of it !!! Intel, you are building entire LAYERS of stuff nobody asked for and nobody wants. You need to stop this foolishness ASAP and
thin down this huge list of repetitive overlapping chipsets.
The new cheapie Atom grade has several levels within it, some of which are rated slower but will actually move work quicker and are more battery efficient than the "post throttling" Broadwell M. Go figure.
Builders are confused right now, because they realize a cheaper product using a cheaper Intel chip might just clean their clock performance-wise in the real world low to midrange marketplace because the new state of the art 14nm Intel whazzit they just bought didn't really do what it was originally pitched to do.
(check them spec pages again, they have been CHANGED quite a bit in the last few weeks -- thermal throttling is referred to now as "turbo mode" before it throttles that very first time and "standard mode" after the first 10-20 seconds have passed and the thermal throttling effect has kicked in -- and now the overall steady-state chip CPU performance is now very strongly LESS than what any previous units had). We have never seen a 2-3x multiplier TURBO MODE chipset that can only turbo mode just once for 10-20 seconds when you first cut it on before ..... 
my my my ..... really Intel, you need to go fire that PR Department, they are embarrassing you all over again.
.... WARNING: your new 14nm ditty might choke itself off early due to severe thermal throttling and just stay stuck down there --- BUT HEY, you may have ALREADY made your critical chip build choice in pretty much complete ignorance and also in COMPLETE ERROR and so now you have to go live with those badly informed choices since you already built all the first lot of units, right Lenovo ? 
Adding to the confusion level is that Microsoft is now all buddy buddy with Qualcomm -- and some of Qualcomms current phone chips are really quite powerful and "totally feature complete" and
Qualcomm does not require a big list of "extra" motherboard components like an Intel chipset does.
This is a
big consideration on the lower end since Intel isn't paying for all that extra motherboard stuff nearly as much as they used to, so a lower net cost Qualcomm based solution must be considered as well.
And worse, here comes Mediatek and Rockchip, swinging various "feature complete" 28nm and 20nm (and soon 16nm and 14nm) ARM chipsets that will outperform some of the many overlapping lower end Intel players in certain uses.
This year will be a year with some PRODUCER'S RISK having to be taken by middle and low end laptop builders -- and some of the Intel only builders are acting sorta skittery about all that producer risk stuff right now because they suddenly have all sorts of ability
to screw themselves up really really big time just like Lenovo just did.
People are questioning just what the heck Intel thinks it is doing ...... and the motherboard teardown review guys are doing quite a lot of traffic lately, debunking and finding out what's really what with the newest Intel stuff as it is just hitting the street.
Since Intel isn't telling the bald, simply stated truth about their new products up front for very much any more,
somebody has to go find out about them after the fact .....
Potential retail customers are being confused greatly as well -- nobody knows what to buy and which ones are the
stone cold turkeys for their particular intended use.
Give you a hint, if Intel is supplying it to Apple, don't use it -- when all the good ones were all sorted out of the first lots and shipped to Apple then that leaves you with a bunch of ..... what? Leftovers?
(and nobody wants to be the one to go go first either as there be jaggedy edged bear traps out there in that there 14nm tall grass -- ask 'ol Lenovo 'bout that)
When they see stuff like this sort of grotesque Lenovo screw up stuff, a end user customer's wallet just tends to snap shut instantly and they go into "wait and see mode" until it all shakes out good. 
"Maybe the fog will lift in a year when Skylake comes out ....." sez the customer base.
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