Eizo built-in calibration vs 3rd party external device

I have an Eizo ColorEdge monitor with the built-in calibration device and it does seem to work well. But I have a question. In the past I have used some of the popular calibration devices and when calibrating the screen they displayed a whole lot more color blocks than the seemingly few that the Eizo process displays.

Will one of the 3rd party devices produce a better profile than the built-in Eizo? It just seems like it does not display very many color blocks to do the calibration.

All thoughts are appreciated.

Thanks,
Bill