Unlike previous RTS games, a lot of effort is being put into AOE3's graphics. ES's goal is to make AOE3 the best looking game ever (including FPS games), so I expect the system requirements (in terms of graphics) to be similar to those of recently releases FPS games.
There has been lots of speculation on the various AOE3 boards about the system specs. Here's an excerpt from the
http://aoe3.heavengames.com/ forums....
"The estimated "recommended" specs computer (i.e. guaranteed lag free on 800x600 with
low settings
Intel Pentium 4 2.0GHz/AMD Sempron/Athlon 2200+ or equivalent CPU
512MB DDR memory
Geforce 4 Ti 4200/FX5700LE/ATI Radeon 9550/9600SE or equivalent video card
1mbps or better internet connection?
Medium settings
Intel Pentium 4 2.4GHz/Celeron 2.8GHz/AMD Athlon XP 2500+/AMD Semrpon 2600+ or equivalent processor
512MB-1GB DDR memory
Geforce 5700Ultra/6200/Radeon 9600XT/X600 Pro/X600XT or equivalent
High settings
Intel Pentium 4 2.8GHz/AMD Athlon XP 3200+/Sempron 3100+/Athlon 64 2800+
1GB DDR memory
Geforce 5950 Ultra/6600 GT/Radeon 9800 Pro(XT)/X700 Pro(XT/X800
Max or nearly there
Intel Pentium 4 3.2GHz or above/AMD Athlon 64 3200+ or above
1GB DDR memory
Geforce 6800GT or above/Radeon X800XL or above/All SLI systems "
for the full discussion:
http://aoe3.heavengames.com/cgi-bin/forums/display.cgi?action=ct&f=1,22472,0,10