ViewSonic VX924 19-inch 4ms TFT LCD - ViewSonic VX924 19-inch 4ms TFT LCD, has a typical response time of 5ms, this means that both GTG and regular Black-White-Black pixel response times are almost identical. ViewSonic source their panels from AU Optronics, therefore, the end result often boils down to hardware implementation, ViewSonic employs their updated ClearMotiv technology to ensure the VX924 is capable of the blistering speeds they claim to achieve.