... MX420 - 250 MHz core, 64 MBytes 166 MHz 128bit SDR memory. Note: 1. GeForce4 MX doesn't and won't support pixel shaders . 2. GeForce4 MX will have MPEG2 hardware decoder and dynamic power management system, and the NV25 does not. 3. GeForce4 MX has only two fill pipelines, and GeForce4 Ti - four. ...