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Opteron 170 or 175?

post #1 of 10
Thread Starter 
im deciding to buy one of these procs and whats the 100$ difference between the 2, what i wanna do is reach FX-60 speeds with 110% stability, on the stock HSF with heatpipes that either cpus come with. I wanna get the 175, because it will require less overclockin, say 400mhz, and it will be alot more stable, but im curious about the 100$ difference, is there an extra multiplier on the cpu, or is the htt just a bit higher. Im scared to get the 170 because i may be able to acheive FX60 speeds but temperatures will be very high, and might be unstable,because i need to overclock 200 more mhz, and some voltage., considering what steppings i have to choose from. Also. if anyone has any steppings to recommened for the 175. i would greatly appreciate it. Any other prior threads that involves these processors that maybe you folks can link. thnx

bob,
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post #2 of 10
Quote:
Originally Posted by u.c.i.n.e.x.
im deciding to buy one of these procs and whats the 100$ difference between the 2, what i wanna do is reach FX-60 speeds with 110% stability, on the stock HSF with heatpipes that either cpus come with. I wanna get the 175, because it will require less overclockin, say 400mhz, and it will be alot more stable, but im curious about the 100$ difference, is there an extra multiplier on the cpu, or is the htt just a bit higher. Im scared to get the 170 because i may be able to acheive FX60 speeds but temperatures will be very high, and might be unstable,because i need to overclock 200 more mhz, and some voltage., considering what steppings i have to choose from. Also. if anyone has any steppings to recommened for the 175. i would greatly appreciate it. Any other prior threads that involves these processors that maybe you folks can link. thnx

bob,
The 175 has an extra multiplier (11) over the 170 (10) and the 165 (9). I'd have a quick look and see how high your HTT can go on your board and then work out which CPU would be best for your motherboard/required speed.
The HTT will differ slightly depending on the CPU in the board, but it will give you an idea of what you need.

Most of the Opterons will do 2.6Ghz+ so I wouldn't worry too much about the stepping. I've got a CCB1E 0550 and it'll do 2.8Ghz and most of the 0550s seem to do very well. Not sure if these would still be available though.
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post #3 of 10
Quote:
Originally Posted by u.c.i.n.e.x.
I wanna get the 175, because it will require less overclockin, say 400mhz, and it will be alot more stable, but im curious about the 100$ difference, is there an extra multiplier on the cpu, or is the htt just a bit higher.
No, it wouldn't be more stable, take more voltage, or be tougher on the chip. They're both Denmark cores and are identical except that the one selling at the cheaper price has had additional multipliers laser cut. If you have a good motherboard, get the cheaper of the 2.
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post #4 of 10
Thread Starter 
well , since i dont have an Asus, DFI, or MSI board, ima lean towards the 175 more, because of its more viable use of (FSB)(Multi), they have many more different combinations, 100 bucks isnt that much to lose when your going to have one of the fastest personal processors in the world, for a year+, i just cant really comprehend that it is possible to save, 500 real U.S. dollars. I mean you can buy 2, Opteron 170's or 175's and turn them into FX60s for the same price. This gain in overclocking is where its all at, this forum really has a meaning in economy for the personal user.
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post #5 of 10
I'd go with the 170. The 260 HTT needed for 2.6GHz on a 170 should not be hard to get with any board. Or, you could get the 170, and sell your current motherboard or something else, and use that money to get a DFI LanParty or an Asus A8N or some other good motherboard.
post #6 of 10
Thread Starter 
There really is almost no difference. ive just read somewhere not too long ago that..the lower the FSB, the less voltage you need, so the less heat it produces, i just forgot what thread this one. Virtually its all personal opinion, and i definetly think the 100 bucks is worth the +200mhz and +1 multi.
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post #7 of 10
hey, i have the 165 and im stable at 2.7ghz no problem, just use a divideron the ram
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post #8 of 10
Quote:
Originally Posted by u.c.i.n.e.x.
I mean you can buy 2, Opteron 170's or 175's and turn them into FX60s for the same price. This gain in overclocking is where its all at, this forum really has a meaning in economy for the personal user.
Yes, but remember that you can also overclock the FX-60. You're comparing an overclocked chip to a stock chip and equating them.
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post #9 of 10
you should add a poll to this thread so it will be easier to look at the conclusions of other users.
post #10 of 10
Quote:
Originally Posted by sccr64472
Yes, but remember that you can also overclock the FX-60. You're comparing an overclocked chip to a stock chip and equating them.
Exactly, people keep forgetting that. Especially when x2s struggle to get to the stock speeds of an fx60, while fx60s cruise to 3ghz and sometimes beyond on air.

I would get an opty 165, and a dfi or an asus motherboard(asus mbs would be ok, since optys dont require much vcore to overclock well). With one of those much, much better motherboards, you system will be more stable. And, you'll have extra to spend on ram or w/e else you desire. However, if you want to go past fx60 speeds, i'd recommend the dfi, as you'll need high stable htt speeds to get your highest overclocks. There's really no need to get a 170 or 175 as they are the same core as the 165 and aren't guaranteed to overclock any higher, and with a dfi motherboard, the extra multis of the 170 and 175 won't be advantageous.
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