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**HOT **Dual Core Opteron 165 1mb cache x2 = $ 270.00

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Ok thats cool because $500 for a 4400+ proc is kind of ridiculous. So how would a 165 opetron 2.5ghz oc compare to 4400+ proc?
 
Another thing that i wanted to note. Since opterons are used for servers, does this mean that they are say, better for running applications rather than gaming? like is an x2 better for gaming and an opteron is better for applications?
 
They are the exact same chip, they do things the exact same way. I believe it works sorta this way - AMD makes "Dual Core Chip A", or DCA for short. All DCA's are tested for their ability to reach certain clock speeds. The better DCA's are given the higher L2 Cache, and slapped with an Opteron name on them. The ones that aren't quite as good get the X2 name on them, and are given the lower speed rating, 3800+, etc.

At some point, almost all the DCA's are good enough to all be Opteron's. At this point, they still need to sell the lower speed Opteron's, and the lower speed X2's, so what that means, is that most all the DCA's, whether they're shipped out with an Opteron or X2 label on them, are good enough to be the higher end Opteron's or FX chips. The only thing differentiating them for yours and my point of view (the consumer), is the Multiplier lock.


CPU's achieve their final speed from a Multiplier X the FSB speed, in this case, a default of 200MHz. So the Opteron 165 Has a default multiplier of 9, and with a default FSB of 200MHz, you get 9 X 200 for a final 1800MHz speed. The Opteron 170 for example, is designed to run @ 2000MHz or 2GHz, so it would need a 10x Multiplier to reach 2000 at 200FSB (front-side bus speed). The only certain downside to going with an Opteron 165, versus a higher rated Opteron with a higher Multiplier, is that you need to have RAM capable of reaching higher speeds to end up with a higher final CPU MHz speed. So with the 165 and it's peek Multiplier capped @ 9x, say you wanted to reach 2500MHz speeds..... In order to do this, you would need to have RAM that would run stable at around 277MHz. Normal PC3200 RAM (running @ a default speed of 200MHz) is unlikely to do this.


Anyway, I hope this explained a little. There are other factors too, which I don't fully understand, about dividers and such, that would allow you to run the CPU at higher MHz speeds, while running your RAM at lower speeds, but performance takes a hit when you do this. If I didn't cover anything, just ask another question.
 
Sweet, your reply was pretty clear cut to me, i understand now. One last question, if the opteron and x2's are essentially the same why do people even buy x2's? and why do they cost more?
 
Some people aren't comfortable with overclocking. Overclocking technically voids your warranty on the CPU. The thing is though, there really isn't any way for the CPU manufacturer, AMD/Intel, to tell that the chip has been overclocked (as far as I know anyway). Also, businesses with big computer budgets aren't going to mess with overclocking. So they are going to pay full price for an Opteron, or FX chip, and probably one of the higest-end models, and leave it at stock speeds (I would certainly presume anyway).

I think only recently, in the past 2 weeks I believe, have the Opteron's become a LOT cheaper than they had been. So X2's used to be a good bit cheaper afaik (as far as I know). But now that Opteron's, the 165 specifically, is less than the cheapest X2 (3800+ right?), they're becoming a much better buy, especially if you're planning to overclock (remember, not everybody overclocks, it's only with overclocking does your bang/buck go up significantly).

I'm not really sure why the 3800 X2, for example, costs more than the Opteron 165. Other than the 3800 is default at 2 GHz, and the 165 is default at 1.8 GHz. Though the 165 has double the L2 cache. Click this Link. This lists the prices for AMD chips in orders of 1,000 units. You'll notice the 3800X2 is priced $63 less than the 165. This pricing data is from 9/28/05. Still not sure why 1 1/2 months later the 165 is less than the 3800. Unless there have been more recent price changes since then.
 
K....just uninstalled XP 64-Bit and did a fresh reinstall of regular XP Home and flashed the BIOS to the latest and now have dual core working properly. OCing will commence this evening.

I have the not so hot 0541 as opposed to the 0530 so I don't expect much. But I'd be happy with a 2.5.
 
Originally posted by: HeroOfPellinor
K....just uninstalled XP 64-Bit and did a fresh reinstall of regular XP Home and flashed the BIOS to the latest and now have dual core working properly. OCing will commence this evening.

I have the not so hot 0541 as opposed to the 0530 so I don't expect much. But I'd be happy with a 2.5.
Click to expand...

I got CCBWE 05345PMW and it is fine at 2.8ghz
 
Finally got around to some early OC testing.

Prime stable at 2430. Load temps are 52° C with XP-90 and low speed fan.

Bumped voltage up to 1.4 before beginning testing so it's still there.
 
So with the 165 and it's peek Multiplier capped @ 9x, say you wanted to reach 2500MHz speeds..... In order to do this, you would need to have RAM that would run stable at around 277MHz. Normal PC3200 RAM (running @ a default speed of 200MHz) is unlikely to do this.
Click to expand...

Ram running FSB 277 is not needed when your motherboard has a multiplier - right?
 
My setting for Overclock with my MSI Neo4 Platinum SLI motherboard.

Opteron 165 @ 2.8
FSB 312 X 9 = 2808mhz
HTT = 3 X
Ram = 166 MHZ PC4000 @ 250mhz = 500MHZ
Vcore = 1.49
NF4 Volt = 1.65V
Ram Volt = 2.8V
Ram timming = 3-4-4-8

Temperature:

Idle = 33C
Load = 44C (after sandra burn in wizard for 30 minutes & Prime 95)
 
Monarch has these in stock again, but raised the price to $332 + shipping, the bastages. That's for OEM. I should have gotten a quote from their site, assuming the quote is good for a few days for a set price. I did that for the retail version, but they didn't get any retail versions in unfortunately.
 
Originally posted by: Midnight Rambler
Yep, they raised their prices ... again. However, you can still get a retail box Optie 170 from them for $399 if bought in a mobo bundle.
Click to expand...

Yeah that would make sense, because there is only $50 difference now.
 
Originally posted by: OCNewbie
Originally posted by: motoxpress
Are there any 165s in stock anywhere?

-mx
Click to expand...

I believe Monarch has them, but for about $50 more than they were 1-2 weeks ago =(
Click to expand...



Ahhh...so I see 😛

Well, $25 more than the 3800x2 from newegg. Not sure if it's worth it.

-mx
 
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