I agree with you that Expendable is a rather old game, but it's still the best Direct3D benchmark available. The results are still very useful.
In 16-bit color the Gainward card can only score at 1600x1200. The frame rate at lower resolutions is limited by the platform/software.
In 32-bit color the differences are also only starting at resolutions beyond 1024x768. However, at 1600x1200 the Gainward card could score some hefty 23 fps more than a default 64 MB GeForce2 GTS, which is almost a 50% frame rate increase.