NSSI stands for Navratil Software System Information and is an utility that provides general information about your PC and it includes a benchmarking feature to test either CPU or FPU performance. I use this benchmark on 286, 386 and low-end 486 systems.

My benchmark method


Start NSSI.EXE and wait until the program has started. Go to Benchmarks by pressing ALT+B and select CPU Performance

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Benchmarks run with this application
CPU (chipset) NSSI score
Am386 DX40 (MX83)
11615.00
i386 DX25-IV (OPTi)
5855.00
NG80386SX -20 (F82C836 16k)
5436.00
i386 SX25 (WDC ISA)
5375.00
NG80386SX -20 (OPTi82C/0WS)
4839.00
CS80C286 -20 (Hedaka/1WS)
3860.00
80286 -12-N (Suntac ST62C/0WS)
3228.00