Frankly, attempting a trial with a capex item of this value is almost impossible. I don't know of any vendors who would permit a trial of such an item - not to mention the expense and effort to configure and then fully and properly test something like this
I would suggest…
Both are fairly old technologies, and frankly speaking, replication is nothing new at all. As another individual stated here, if you want to examine something up-to-date that completely eclipses both 3Par and EMC, HPE Nimble will demonstrate a clearly superior approach to…
Neither. I would recommend Nimble (as of today, HPE) all flash arrays. Superior performance, reliability, management, machine intelligent analysis tools, all included.