| Aspect | Windows Memory Diagnostic | MemTest86 (Professional) | |--------|---------------------------|---------------------------| | Test algorithms | 7 basic patterns | 13+ advanced (including row hammer) | | Error reporting | Event log only | On-screen with address/bit mapping | | ECC support | Reports corrected errors | Reports corrected + location | | USB bootable | No (requires Windows bootloader) | Yes | | Loop time | Unlimited ( /l ) | Configurable | | CPU cache control | Limited | Full enable/disable |
Use mdsched as a screening tool. Any detected error warrants immediate DIMM replacement. No detected errors with persistent system crashes require secondary verification using MemTest86 or hardware memory testers. windows memory diagnostic mdsched command