Slow Pentium D?

I have a Pentium D 2.66GHz 480ram

but it is not that slow.. but slower than pentium 4!

Is pentium D is just slower than pentium 4? thats my experience..

Even if I do this!

1. Your Uninstaller Disk Cleaner

2. Sbmav Disk Cleaner

3. 1 Click Maintenance

4. Ccleaner (Cleaner and Issues)

5. Jv16 PowerTools (Registry Cleaner)

6. Registry First Aid

7. Window Washer (Clean My Computer)

8. PerfectDisk

9. Tune up Registry Defrag or Registry First Aid Defragment Registry

*** Window Washer (Free Space Wash)

OR

*** Clean Disk Security (Cleans Slack File)

Also I have memturbo

AVG ANTIVIRUS

AVG ANTISPYWARE

SYGATE PERSONAL FIREWALL PRO

AD-AWARE 1.06

FEW STARTUPS:

AVG ANTISPYWARE

AVG ANITVIRUS

MEMTURBO

SYGATE FIREWALL

I even checked with tuneup utilities startup!

Is pentium D just bit slower than pentium 4?

EXPERTS PLEASE.. thanks

Slow Pentium D?antivirus software

It is slow compared to a Pentium 4 w/ a higher clock speed when running single threaded applications. But when it comes to multi-threaded apps, the dual core will come out the winner.