FPS Tweaks

If you want to tweak some graphics to increase your FPS in the game, use the console by pressing "~" button then type this commands.

cg_drawfps 1
diplays fps in top right corner

cg_drawlagometer 1
draw your Lagometer on screen

com_maxfps 125
(One of the most important commands in cod4 is the FPS command, and Ill tell you why. You probably already know that more fps makes the game feel much smoother. What you might not know is that COD4 is based on the q3 engine and is designed to work at 125 FPS.What this means for you is that your going to have problems interacting with the game under 125 FPS. This can mean any thing from not being able to climb objects, or even bad hit detection during fire fights. The problem is your fps is set to 85 by default, lets fix it. Bring down you console and type com_maxfps 125. If you want to remove the limit, type com_maxfps 0.

cg_fov 80
Next up is the field of view command. FOV(field of view) is basically how much you can see on your monitor at one time. The higher the number the more you can see, which will give you a huge advantage over those who don't use this command. Default is 65 max is 80, to change it bring down your console and type "cg_fov 80".

r_drawdecals 1
Another helpful command is "r_drawdecals", set it to 1 for on and 0 for off. Its off by default, and don't be surprised if you turn it on then have to turn it off to get into certain servers. It basically cleans up some of the random paper and trash on the ground, and gives you an fps boost. But some servers want you to have bad fps and wont let you in unless its set to 0(note that the other commands will work fine on any server).

maxpackets 100
Maxpackets next, this command command usually helps people who have good fps but bad hit registration. Default is 30 if your fps is set to 125 you should set maxpackets to this "/maxpackets 100".

snaps 30
This command tells your cod4 server how many times to update positions of players, bullets ect per second. Default its 20 setting it to "/snaps 30" should make movement look smother and hits register better.

r_drawsun 0
Disables the sun and a bunch of effects that is causes saving you a few fps.

cg_brass 0
Turns off shell ejection. Not having to render them should send a few more fps your way, a good addition to your CoD4 config.

cl_packetdup 1
Duplicates packets send between player and server - players with a good connection and no packet loss should use 0, players with packet loss should use a higher number (0-5) most players use 1-2

sm_enable 0
Turns off unique Shadows ingame, it boosts FPS more than most commands

r_multigpu 1
can add more FPS

r_cachemodellighting 1
can add more FPS

r_cacheSmodellighting 1
can add more FPS

r_aaAlpha 0
remove the anti-aliasing / smudge effects, this can free up more FPS also

r_texfiltermipmode 2
Turns it to bilinear filtering, which should give you the best fps

r_rendererPreference 0
to use Shader Model 2.0 instead of 3.0 which will increase fps for those people using old videocards

Now Type...
/vid_restart

You're done... enjoy! ;)