Based on the Tom's Hardware CPU chart:
Here's a comparison between a 64bit Sempy Palermo @ 2Ghz vs. Venice 2Ghz:
result is how much faster is Venice compare to Palermo:
3D Studio Max 7: +0.5%
Clone DVD: +0.5%
Doom3 (1024): +11%
Doom3 (1280): + 6%
Farcry: +10%
MP3 encoding: same
Pinnacle Studio: +1.5%
Winrar: +10%
Ogg: +2.5%
UT 2004: +9%
Xvid: +6%
Here's a comparison between a 64bit Sempy Palermo @ 2Ghz vs. Venice 2Ghz:
result is how much faster is Venice compare to Palermo:
3D Studio Max 7: +0.5%
Clone DVD: +0.5%
Doom3 (1024): +11%
Doom3 (1280): + 6%
Farcry: +10%
MP3 encoding: same
Pinnacle Studio: +1.5%
Winrar: +10%
Ogg: +2.5%
UT 2004: +9%
Xvid: +6%