The chart below shows Landmark scores for many CPUs that I have owned or worked with. The Landmark program is rather old, and isn't used much anymore for serious benchmarking, but it is very quick and can give some useful reference numbers.
The Landmark program references back to a 6 MHz Intel 80286 and 80287, giving CPU and FPU scores of 6 MHz for each. As CPUs get faster, this reference point becomes less meaningful. Landmark was reasonably good up through the early Intel 80486s.
Some other benchmarks that are relatively fast and easy to accomplish are Wintune97 from Win Magazine, and Winbench98 from PC Magazine. The next two graphs show results for our Cyrix 6x86/133 vs. the AMD K6-2/333 for these two benchmark programs.
Each of these benchmarks shows the relative imbalance of the Cyrix FPU vs. its CPU, as compared to Intel 486s and above. The AMD K6-2 still doesn't have the same balance as the Intel Pentium, but it's a definite step forward compared to the Cyrix. Also, the magnitude of its performance is just much better than the old Cyrix.
One interesting point is that the Wintune benchmark seems to give much more relative ranking to integer performance. Landmark and Winbench are geared to give the FPU a higher score. Perhaps each of these approaches is used to quantify what is important to the test creator.
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This page last updated 12/5/98