Pentium4s were always slower than AMD32 & AMD64 chips - execpt for rendering - and the AMDs were about 1.0~1.4Ghz lower in speed. Clock rate is not everything.
You have selected a QUAD core CPU, which may or maynot be the best if your software doesn't yet support multi-core CPUs.
Now, I am linking to a CPU chart and selected the QX6700 and a prescott 3.0 (Because its a newer version with DDR2, vs. your older system)
http://www23.tomshardware.com/cpu.html?modelx=33&model1=604&model2=462&chart=187
its a Photoshop test, as they don't have any CAD testing, but play with this benchmarks. If you choose the Multitasking benchmark - you'll see the QX does the job in 2:37 vs about 8mins on a PC simular to yours.
Now, because many programs don't don't use QuadCore unless youre running a LOT of other things in the background - the E6700 can be JUST as fast for half the price.
Also, with a system not built by Dell - you can do a bit of overclocking and squeeze another 10% out of the CPU. (Overclock the 2.66Ghz to 3.2Ghz without messing with voltage or cooling. But maxed out at 3.4Ghz)
You have selected a QUAD core CPU, which may or maynot be the best if your software doesn't yet support multi-core CPUs.
Now, I am linking to a CPU chart and selected the QX6700 and a prescott 3.0 (Because its a newer version with DDR2, vs. your older system)
http://www23.tomshardware.com/cpu.html?modelx=33&model1=604&model2=462&chart=187
its a Photoshop test, as they don't have any CAD testing, but play with this benchmarks. If you choose the Multitasking benchmark - you'll see the QX does the job in 2:37 vs about 8mins on a PC simular to yours.
Now, because many programs don't don't use QuadCore unless youre running a LOT of other things in the background - the E6700 can be JUST as fast for half the price.
Also, with a system not built by Dell - you can do a bit of overclocking and squeeze another 10% out of the CPU. (Overclock the 2.66Ghz to 3.2Ghz without messing with voltage or cooling. But maxed out at 3.4Ghz)
