| Feature | ISO (Uncompressed) | CSO (Compressed) | |---------|--------------------|-------------------| | | Full size (~1.8 GB per game) | Typically 40–70% of ISO size | | Loading Speed | Fastest (no decompression) | Slightly slower (on-the-fly decompression) | | Compatibility | Universal (all emulators, CFW) | Universal on modern emulators (PPSSPP, retroarch), and most CFW | | Compression Levels | None | 0 (none) to 9 (max) | | Structure | Raw sector-by-sector | Chunk-based compression (64KB blocks typically) |
Verified via Redump or sourced from trusted preservation entities like the Internet Archive. cso psp archive top
| Feature | ISO (Uncompressed) | CSO (Compressed) | |---------|--------------------|-------------------| | | Full size (~1.8 GB per game) | Typically 40–70% of ISO size | | Loading Speed | Fastest (no decompression) | Slightly slower (on-the-fly decompression) | | Compatibility | Universal (all emulators, CFW) | Universal on modern emulators (PPSSPP, retroarch), and most CFW | | Compression Levels | None | 0 (none) to 9 (max) | | Structure | Raw sector-by-sector | Chunk-based compression (64KB blocks typically) |
Verified via Redump or sourced from trusted preservation entities like the Internet Archive.