According to a story by Eurogamer, the PlayStation Vita’s Remote Play functionality will be the same resolution as the PSP, which is currently stands at 480px x 272px resolution, and scaled up to the Vita’s resolution. A firmware update will enable Remote Play for all titles, and new PS3 games will be able to include a specific 480p resolution for the Vita.
Games with Vita-specific Remote Play functionality will be able to display games at 960×544 pixel resolution, which is supported by the Vita’s OLED display.