I've owned the Geforce3 and a Gainward Geforce4 MX440, here are my results:-
Gainward Geforce4 mx440 (270/400)
Visiontek Geforce3 (200/460)
AMD Athlon XP 1700
Asus a7s333 Sis745 motherboard
512mb DDR266 memory
Detonator v43.45
SIS AGP v1.15
Windows XP Home edition with SP1
All games tested with max quality settings and with sound enabled for real game results!
(results are=mx440, geforce3)
3dmark 2001 se (1024x768x32bit)=5499,6891
Quake 3 (demo4):-
800x600x32bit=174,174
1024x768x32bit=141,161
1280x1024x32bit=120,145
Quake 3 2xfsaa:-
640x480x32bit=165,173
800x600x32bit=129,141
1024x768x32bit=86,98
Quake 3 4xfsaa:-
640x480x32bit=95,157
800x600x32bit=66,116
1024x768x32bit=44,68
Serious Sam 2 (Elephant Atrium):-
800x600x32bit=127,131
1024x768x32bit=104,124
1280x1024x32bit=88,116
UT2003 flyby (Antalus):-
800x600x32bit=86,107
1024x768x32bit=59,78
1280x1024x32bit=40,55