It's not generally AMD cpus, it's only those ones where AMD desperately pushed clock speed a little too much (in my opinion). Most of their lineup is fine, though. The troublemakers: Phenom I 9850, 9950, Athlon 64 X2 6000+ and 6400+ in 90 nm. The new 45 nm Phenom II are surprisingly competitve with Core 2 Quads (price, performance and power), as long as no OCs are involved. With OC Intel still handily wins.

MrS

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Scanning for our furry friends since Jan 2002

The new 45 nm Phenom II are surprisingly competitve with Core 2 Quads (price, performance and power), as long as no OCs are involved. With OC Intel still handily wins.

It's good to hear that AMD is becoming competitive again. I like being the beneficiary of having two CPU manufacturers slugging it out. It's good for the wallet and good for the GLFOPS.

The Phenom Is, which came out shortly after Core2, were no match for the Intel chips in either speed or power consumption. I haven't had a chance to play with the Phenom IIs yet, so thanks for that information.

Mike

In general, after buying a new computer I don't take much care about comparing components I have with new ones.
Everytime you buy new hardware 1 month later you get it for less and/or you get something much better.
Every view years in the past I've had the opportunity to get new hardware. The Phenom X4 9950BE I chose because the price was right and I didn't want to go below 2.6GHz which was the clock speed of my previous CPU.

Well, I keep an eye on new hardware to know what to buy if something is broken, but until then I am happy to be able to use what I got.

For now I have fun (again) with this somewhat factory overclocked and hungry central processing unit.

Whenever I become tired of playing games and bored to run BOINC, then I am more than willing to have a small 'GREEN' barebone just for internet, ITunes, TV and watching BlueRays or what ever I want to do in the future. =)

I'm very confident now, the defect CPU-Fan caused the reboots. No restarts for almost 2 days.
I plan to get one of those Noctua fans to have at least one backup fan to jump in if one fails.
They also seem to have more airpressure than the current Scythe fan which came with the Mugen.

If you know of any silent but good CPU-Fans, I would be glad if you tell me.
Hopefully, one day grafic card cooler/fan get a boost in performance/dB too. (Larabee?)

I haven't bought an AMD CPU for nearly two years, ever since the Core2 line came out. The big reason I've been only buying Intel since then is the lower heat/power on the Core2 chips.

Agreement. I bought one Core2Duo and three Core2Quad for the same reason in the last two years, but two months ago one X4 810: it was cheap, shows lower heat and power consumption and can be cooled with the included boxed cooler, great. Why spend a lot of money for a high clocked or overclockable CPU if a GPU is more valuable for science resp. the investment is more effective ? Overclocking CPUs increases the consumption disproportional, howerver Intel quads as well as the new AMD quads can be undervolted with good prospects. (Some weeks last year I thought about buying a X4 9150/9350 but luckily I decided against it.)

In the beginning of overclocking I had some events of restart or rebooting while BOINC manager is running, but since those experiences I did always fundamental tests with benchmark software before start crunching workunits.

If you know of any silent but good CPU-Fans, I would be glad if you tell me.

Perhaps take a look at OCZ Vendetta 2 or EKL Groß-Clock'ner (one of my best coolers), I would not spend a lot of money in cooling just to reach some lower degrees, but I fear (CPU) monsters can only be fighten with (cooler) monsters.

@Snow Crash

"good and free tool to monitor CPU temps"
RealTemp: http://www.techpowerup.com/realtemp/
CoreTemp: http://www.alcpu.com/CoreTemp/

CoreTemp doesn't show me temperatures for individual cores.
My CPU is not supported by RealTemp.
Thanks anyways =)

QX1900AIW
These are some nice coolers ;)

I was just surprised by the monitor turning black, turned off mouse/keyboard LEDs but no reboot this time. I had to turn off the PC by holding the switch down for 5 seconds.

The CPU-Fan I thought I fixed is turned out to make problems again. Sometimes it goes below 800rpm without being told to do so. 24°C outside did the rest I guess. Strangely, the NVIDIA was below 68°C.

A new CPU-fan is coming soon together with some cooling paste.

For my Diary:
Never buy computers in autumn!

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Relying on Boinc to satisfy your need for happiness might result in temporary unhappiness. This can be applied to almost everything.

Sounds like you have a bios setting for the cpu fan control, which you have to override manually upon every boot. You might as well fix the speed in bios (or switch off the automatic).
And that Noctua fan should be quite good!

MrS

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Scanning for our furry friends since Jan 2002