| Area | MrCART Original | MrCART 128 |
|---|---|---|
| Total flash | 32 Mbit / 4 MB | 128 Mbit / 16 MB |
| Flashing speed | 1x | 3x |
| Save handling | In the next power cycle | At turn off |
| ESSound | No | Yes |
| Folders | No folder support | Two-level folder system: GAMES/Folder/Subfolder |
| Entry limit | Up to 100 files in the GAMES folder | Up to 255 total games and folders |
| Max filename length | 34 characters | 42 characters |
| Firmware updates | No | Yes |
| Padding | <32KB | No need |
