: Every file is matched against a database of known good hashes (MD5, SHA-1, CRC32) to ensure the data is identical to the original cartridge.
focuses on cartridge-based systems , such as the NES, SNES, and Nintendo 64. redump snes
: Most fan translations and ROM hacks are designed to be applied to "clean" No-Intro files. Redump Wiki - Redump.org : Every file is matched against a database
focuses exclusively on optical media (CDs, DVDs, GD-ROMs, and Blu-rays). This includes systems like the PlayStation, Sega Saturn, and GameCube. such as the NES
If you are searching for "," there is a vital distinction to understand about how the Super Nintendo is preserved today. The Critical Difference: Redump vs. No-Intro