The SP4 build includes an updated color engine that correctly interprets ICC profiles from printers like Roland, Mimaki, and HP. For sign makers, this meant predictable output without constant color shifting.
To run the 64-bit version of X6.4, your system should meet these standards: CorelDRAW Graphics Suite X6 16.4.0.1280 SP4 -64 Bit
If you need AI and modern file formats, upgrade. If you need raw speed on old hardware and stable print output, X6 SP4 wins. The SP4 build includes an updated color engine
To be objective: