if you want to know the processor is ulv or not.. it should be ending U at behind of the processor.. doesnt matter 4th gen or 5th gen, or even 6th, still the branding of processor is the same.
dell 7447 using quad core processor i7. unlike ulv i7 which is dual core processor

if you want to consider 15" acer v nitro black edition also nice. light weight as well. the new v nitro of cz, comes with gtx960m. around 3.4k

there are 2 knd of acer v nitro... so gt dffrnt price.. dffrnt model. a lot ppl avoid acer cz thy assume 1 unit gv trouble thy avoid all acer series... dats da prob.. acer sales aftr srvce is not dat bad and nt dat good too.. jz so-so only..

normally around mid of Nov until December