The following console commands come from Commander Keens website @ Q3Center.
You can view the console in Quake3 by hitting the tilde key (~).

Console Commands>Console Tweaking >

The following table shows the FPS (Frames Per Second) gained on my machine when setting the given variable to the "FAST" value. The recommended value may not always be the fast value if I felt the gain in FPS was not worth the loss in visual quality.
Use these commands at your own risk.

Variables

FPS Value

FAST

SLOW

Recommended

cg_brassTime "1250" 0.3 0 1250 0
cg_draw2D "1" 2.4 0 1 1
cg_draw3dIcons "1" 1.3 0 1 0
cg_drawAttacker "1" 0.2 0 1 0
cg_drawStatus "1" 1.3 0 1 1
cg_drawTimer "1" 0.1 0 1 0
cg_errordecay "100" 0.2 0 100-999 0
cg_gibs "1" 0.7 0 1 0
cg_drawGun "1" 0.8 0 1 1
cg_lagometer "1" 0.3 0 1 1
cg_marks "1" 0.8 0 1 0
cg_shadows "0" 0.3 0 1-3 0
cg_simpleItems "0" 0.8 1 0 0
r_allowExtensions "1" 6.5 1 0 1
r_colorbits "16" 0.2 0 16 or 32 0
r_depthbits "16" 0.1 0 16 or 32 0
r_dynamiclight "0" 2.3 0 1 0
r_ext_compiled_vertex_array "1" 4.2 1 0 1
r_ext_compress_textures "1" 0.1 1 0 1
r_ext_multitexture "1" 2.5 1 0 1
r_fastsky "1" 0.5 1 0 1
r_finish "1" 0.1 0 1 0
r_flares "0" 0.5 0 1 0
r_ignoreFastPath "0" 0.5 0 1 0
r_lodbias "0" 0.4 2 0-1 2
r_lodCurveError "250" 0.5 0 1-999 0
r_picmip "1" 0.1 3 0-2 3
r_primitives "0" 4.6 0 1 0
r_subdivisions "4" 0.3 999 0-100 999
r_swapInterval "0" 0.1 0 1 0
r_texturebits "0" 0.1 0 16 or 32 0
r_textureMode "" 0.1 NEAREST LINEAR NEAREST
r_vertexLight "1" 1.9 1 0 1
r_vertexLight w/r_dynamiclight 0 2.0 1 0 1
s_khz "22" 0.5 11 22 11
s_loadas8bit "1" 0.1 1 0 1

 

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