Hi there, what is the best and fastest AMD cpu for the socket 939 motherboard?

It's listed in order from best Chip to lowest quality to highest.

-AMD Athlon FX-60 Dual Core @ 2.6Ghz
-AMD Opteron 185 Dual Core @ 2.6Ghz (best Overclocker @ ~3.2ghz)

I would say the FX60 would probably be the fastest that you can run, but you're going to be paying a hell of a lot for one, socket 939 chips cost a lot more than their am2 counterparts as it's almost completely phased out.
I'd reccomend that you get a core2 duo and i'm not a fan of intel really, it's just that the core2 duo chips shit on everything that the 939 platform can use.
In addition it would cost you around 350 quid for an FX60 or 140 quid for a 6400 core 2 duo which will run almost everything faster.
Don't bother upgrading a 939 chip, wait until you have enough cash to change to core 2.

i think the reason he's asking is because he doesn't want to upgrade his motherboard and RAM.

i do agree that upgrading to an FX60 is a waste of money though.

newegg just doubled their prices on the 939 opterons, right now the cheapest is also the highest performing (185 @ $335 vs. 180 @ $646 wtf) My guess is this is just a stock related issue, as in get it now... or its just the retard shift of price adjusters working today.... zipzoom fly has the 180 for $270.

Yeah the stock is really being nerfed, I tried to buy a 4600 from dabs, first they repriced it when it was out of stock, so i cancelled then reordered, then they completely cancelled the order with no alternative given. Bottom line you aren't gonna be able to get the fx60 anywhere but ebay.
Sorry for being negative, but I feel a bit cheated by amd really, bought a 4600 and yeah it's ok but it's nowhere near as good as a 6400 and plus games like bf2142 rely more on graphics.

I just oc'd my opty 170 to 3 GHz, that should tide me over for awhile as it ties with the e6600 in most benchmarks.... of course only if the 66 isn't oc'd.

What is NewEgg smokin'? Who is stupid enough to buy a 180 for $646?

I got lucky and bought what looks to be the last of the 939 X2-4800+ off newegg, when they had the $250 OEM version. For the money and the performance difference, I'd look for a 4800+. I'm not sure the FX60 will ever pay out in performance. $600 vs 250.

If you were going to spend $600 on the FX60, it would make more sense to go with a Core 2 DUO, Mobo and RAM. The $240 E6600 man handles the FX60, Yu coudl spend the same (or close to it) money on a Intel config that is currently top dog.

But realistically, I think you're looking at grabbing a 4600+, which is around $219 on newegg. Maybe a FX57, for $289 or an Opetron 148 for $248

Someone is. When they only have a few of an item left, crank the price up and make as large a profit as they can without having to take up any warehouse space.

The 4600+ would be good, but for the overclocking and cache i'd get this opty 180 for $270.... i'd also get it today, i'm betting it will be gone very fast.

That does it. I've been thinking about this for years, but now I'm gonna take the plunge.

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Athlon 64 X2 4400+ for $185 on the newegg.

Got mine overclocked to 2.9 Ghz @ 1.35V with a tuniq tower 120.

I just bought a few Athlon X2 4600 OEMs for about £124 each inc vat. I got them from Overclockers UK. I purchased them as they were on offer and I have several S939 machines. I was considering the Opterons, but was not sure that the BIOS on my machines (all HP) would support them. As it was the X2 4600s came out cheaper than the opterons with a lower core speed (2.2 Gig for the Opteron, 2.4 Gig for the 4600).

The opterons I was looking at are still available see:
http://www.ballicom.co.uk/detail.p [...] t_id=15119

The 4600s have gone back up in price. It would seem that there are some 4600s around for socket 939, but the 4800s are like golddust now.

I've checked using the PSU calculator and all the machines will cope with the extra power needed.

I will have a very good look at the existing cpu coolers. From memory they were on the large to very large size. Being the cheepskate that I am I will probably see how the CPU's perform with the existing coolers. I will watch the CPU core temp like a hawk, and then try loading one of them up to 100% cpu occupency. Extracting some very large RAR archives, local disk to local disk should do this. The previous CPUs were an old 3200, and a newer 3800+. Both of these look like thay have a TDP of 89W and the 4600 has a TDP of 110. As these are HP machines the bios will prevent any overclocking, so not being able to do that on the existing PSU and CPU cooler is not a problem for me.

I let the panel know how this goes.

Rob Murphy

Overclocking the *cheapest* dual core opteron is a good strategy if you want a 9 month or 1 year solution as a temporary way to update your 939. Then you could buy a new board, say in 9 months or a year, and get the latest type of motherboard for AMD or Intel, since both will have significant changes by then. AMD will have a big boost with the new barcelona type cpu, which is to outperform the C2duos. Also, note that you can overclock a X2 3800 ($145 Newegg) some, or even just run it stock, and it's decent performance.

{edit: but better than buying a cpu is to overclock for now, and build later this year, as in a post below}

DON'T BUY THE FX 60

Get the 4800 an oc to 2.6 an beyond. Got mine at 2.74Ghz on the stock without increasing voltage much.

I heard you can't really oc the FX60 anyway,