For laptops Compare both processors.
I rather buy a laptop that uses a Broadwell chip that is equal or even better than Haswell chip for its ability to stay cool,battery life, etc etc.
Yes, I prefer a desktop for gaming anytime, but a lot of games are playable that are using broadwell chips.
compare both specs http://ark.intel.com/compare/80343,85212 reviews http://www.pcworld.com/article/2940489/the-truth-about-intels-broadwell-vs-haswell-cpu.html I hope you make your decision based on your needs and purpose.