The original Dreamcast output games at 480i (interlaced) or 480p (progressive scan) resolution. On a modern 1080p or 4K monitor, this low resolution looks blurry and pixelated. While the free version of Redream allows you to output at your monitor's native resolution, the internal rendering resolution is limited.
You might have heard of (another Dreamcast emulator, often in RetroArch). Flycast is also excellent, free, and supports high resolutions. So why choose Redream? redream premium key