CHD files load faster than CSO (due to intelligent hunk caching) and take up significantly less space than ISO, with no emulation performance penalty on modern hardware (even on a Steam Deck or mid-range PC).
Absolutely. As handheld emulators (Steam Deck, ROG Ally, Retroid Pocket 4 Pro) become the primary way people play PS2 games, CHD has shifted from a niche archiving tool to an essential standard. The “top” PS2 CHD ROMs aren’t just the best games—they’re the ones where compression saves you money on SD cards without sacrificing the magic. ps2 chd roms top
: CHD files can reduce PS2 ROM sizes by 30% to 60% . For example, the War of the Monsters ISO shrinks from 1.3GB to roughly 600MB. CHD files load faster than CSO (due to