I built a system about 1 year ago which consists of a Asus M2N-SLI Deluxe mobo, Nvidia 8600gts vid card and an AMD Athlon 64 X2 6000+. I just found out that with a bios update my mother board, it will support the Phenom quad. I don't do a whole lot of gaming and I don't know anything when it comes to overclocking. I mostly use my computer for multimedia playing/encoding...mainly high def.
Would I notice a big difference in the Phenom over my current processor? Is it worth spending the $185?

Thanks for any input!

It depends on the program used IMO.

Phenom has plenty more horsepower in SSE units and a couple of cores more ( 4 vs 2 on your 6000+ ), so it could much faster, if your program can use it properly, especially encoding SW...

You might find it really awesome in multimedia playing. I find myself doing more stuff now than I usually do. Like burnig CD's or movies while surfing and at the same time listening to my iTune. But if you are already satisfied with the X2 6000 then you might want to wait for the Deneb like everybody else that are not buying a phenom now is doing.

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My PC: 9950BE 125W, XIGMATEK HDT-S1283 120mm Rifle CPU Cooler, Biostar TFORCE TA790GX A2+, 2X2GB G-Skill DDR2 800, MSI R4850-512M Radeon HD 4850, 400GB Seagate HDD, Samsung 22X DVDR SATA and currently operating with Windows Vista Business.

Not unless you have the money to burn. The performance would be negligible at best.

for the love of GOD people quad core was intended for quad and tri crossfire and SLI. It has no real world benefit in a single GPU application. Never was intended to in any way shape or sort.

It would if you where doing something that had both cores peg 100% full time. Then and only then would a quad core be of much use.

there is no doubt that it wouldn't be a boost, but worth the money and what your expecting? Not a chance.