it should and probably is marginal better.... but Intel .... last 10 years same re-heated soup...
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N5015 vs J6413 ....N has double L3 cache size might be more beneficial for some workloads ....same core count and basically same freq ....from what i see is mostly platform upgrades
Is it really 30$ better cpu vs cpu ? and will you see the differrence in real world ? ? ? For that 30$ you can get a better power supply and some beers ....
and lets not forget .... we are not comparing only chips here ... we are getting a PC used for firewall duty ...so balanced power and stability is more important , and long term use.
N platform is more mature , is V4 than the new J6413...
As i said for example at this moment CW sells the J6413 with SATA .... so is a downgrade from NVME on N chips from my pov.
I think is better to get N6005 if you really need the performance
and not to mention if you really wanna spend there is an i7 version with 6 lans .... Patrick just had a video on the STH yt channel