It seems you RAM/core ratio is different between your options. So if those two are your only options I'd suggest the 16GB option.
Still, the other things * Concurrency * Fit in ram * IO Are very relevant. HTH Kind regards/met vriendelijke groet, Serge Fonville http://www.sergefonville.nl Convince Microsoft! They need to add TRUNCATE PARTITION in SQL Server https://connect.microsoft.com/SQLServer/feedback/details/417926/truncate-partition-of-partitioned-table 2012/10/12 Romain HARDOUIN <romain.hardo...@urssaf.fr> > > Also, take into account i/o since they are often a limiting factor.