The NSP is exactly the same as the eShop version – an outdated, poorly optimized port. Get it free if you must, but don’t pay money for it.
Here’s a complete review of (the NSP version, i.e., the digital download for modded/hacked consoles or emulators like Ryujinx/Yuzu, though the same applies to the official eShop release). payday 2 nsp