-novid +cl_updaterate 128 +cl_cmdrate 128 -tickrate 128 -refresh 240 -freq 240  -threads 8 -high +exec autoexec.cfg +fps_max 300 cl_interp 0.031 +cl_interp_ratio 2 +cl_interpolate 1 +mat_queue_mode 2 +mat_phong 0 -w 1600 -h 1024

or

-novid +exec autoexec.cfg -tickrate 128 -freq 240 +mat_phong 0 -w 1152 -h 864

Official commands list by Valve:
https://developer.valvesoftware.com/wiki/Command_Line_Options