720p. For this specific title, the "softer" image is more faithful to the original broadcast feel and avoids exposing the CGI's technical limitations.
Digital Monster X Evolution was produced in 2004–2005 as a television special, not a theatrical feature. It was originally broadcast in Japan on Fuji Television on January 3, 2005, in a 16:9 widescreen format and in the NTSC standard. For television broadcast in 2005, the production likely had a native resolution that was closer to 480p (DVD quality) or a modest upscaled 720p at best, as 1080p broadcasts were not standard at that time. The DVD release on November 25, 2005, preserved the 16:9 aspect ratio and was likely encoded at a standard DVD resolution of 720 × 480 pixels (in NTSC regions).
The lower resolution acts as a natural smoothing filter. It hides some of the dated, low-resolution textures of the Digital World's landscapes and Digimon models. Digital Monster X Evolution 720p Vs 1080p
Go with 1080p , but with a caveat.
To understand why the resolution choice matters, you need to know how the movie was made. It was originally broadcast in Japan on Fuji
Given this background, the resolution question becomes less about native detail and more about practical viewing experience.
To understand why the resolution debate exists for this film, you must look at how it was made. The lower resolution acts as a natural smoothing filter
: Because 1080p versions rely on digital upscaling software, some scenes may exhibit a slightly waxy or artificial texture where the software tried to invent detail.