They both have a fairly large set of constructs to choose from, even sharing many many choices, so I wouldn't be too concerned over the selection of minions (more depends on which faction's constructs you want to pay an extra stone for.)
In terms of direct synergy, Hoffman benefits from his constructs more so than Ramos. From a different viewpoint though, Ramos can summon constructs, Hoffman is stuck with who he brings. Coming from Pandora, Hoffman will be closer to her playstyle, Ramos will be different.
Why not go for both?