I am still using an old version of lightroom (5.x) on a 5 yr old dell xps 13 laptop. It is getting slower and slower when processing 30mb raw files from canon cameras. The response time to view photos (even with 1:1 previews built) is a 2-3 sec wait. The photo export function is extremely slow - about 1 hour to export 200 jpegs. The current laptop is a i5 with 8gb of ram and an SSD on windows 8. When buying a new laptop, what is the min spec I should look for? Specially the CPU size since their model is quite confusing to me (7th gen, 8th gen , not sure how to quantify the performance differences..)