if you are talking how fast will it boot up to a usable desktop without worry of freezing, i'd say....17-20 seconds depending on your OS and how many programs are on start up.
that toxic card i mentioned comes with a DVI-HDMI converter...
Package Contents
4890 Toxic card
User's manual
Drive CD
6 pins Power cable
8 pins power cable
HDTV cable
DVI to VGA/D-sub adapter
DVI to HDMI adapter
S-Video to composite adapter
CrossFire bridge