I finally got round to testing an Athlon 3500+ (45W Lima-core).

AMD Athlon 64 3500+ - Lima (AM2) stock - 1.35V

Minimum: 1.0 GHz @ 0.800 Volt
Stock: 2.2 GHz @ 1.025 Volt

FWIW... I'm wondering if the Intel G33 chipset has similar low power consumption? If so, it would be possible to build a system with still lower power. As far as I'm aware the AMD combination of CPU and mobo is far more efficient than Intel's. I can vouch for the low power consumption of the Asrock...

I'm seriously thinking of switching to this board for my low power system design (or perhaps an Asrock). How is Biostar in terms of quality? I'm reading left and right that it's not so fantastic. @ Kentc: According to Samsung your hard drive is 3.5" but it has the same power specifications as a 2.5"...

Well I gave undervolting another try with rmclock and it wasn't having any of it. It just BSOD'd and when I did get it stable enough not to die the difference in consumption was a watt or two so its not worth the stability risk. What voltage values did you use? The 3600+ I've undervolted so far wen...

I can recommend Gigabyte boards from a fan control perspective. It has an utility called EasyTune with which you can shut the fan off until your CPU heats up above a certain threshold. In this way, an undervolted BE-2350 will only have to be actively cooled when it's under considerable load.

hi all, lately i have been putting my computer (Gigabyte NF4 Ultra mobo, can't remember the model offhand) into standby to conserve power at night. when i do so, all my system fans (video card, cpu, case) continue to run, unlike Dell computers which seem to shut everything down. i also noticed that...

What motherboard are you using? A Gigabyte GA-M61PM-S2. I've run a performance test and here's the result. 3600+ vs BE-2350 CPU: 3695 vs 4145 System: 2833 vs 2975 The BE-2350's performance is more comparable to the X2 3800+, but still more expensive off course. By the way, I updated my BIOS so the ...

I would say the newer system consumes less power, mainly due to the integrated graphics vs the discrete card in the old system. Of course the second system also performs many times better. However, if the specs of the old system are sufficient it's better to reuse it or use it a bit longer. During a...

AMD Athlon X2 3600+ - Brisbane (AM2) stock - 1.35V Minimum: 0.8 Ghz @ 0.800 Volt Stock: 1.8 Ghz @ 1.000 Volt Stock clock speed of the Brisbane 3600+ is actually 1.9GHz. Not sure if this has any bearing on your figures or if it's just a typo. Price/performance-wise, it still looks as though the 3600...

They will be available in Europe in august but I don't know about the US. Maybe you could contact Antec?

Some people purchased a 3480 but received a 3400 instead: viewtopic.php?t=41847&highlight=nsk3480

So be careful.

I have tested and undervolted the X2 BE-2350 today (haven't tested it thoroughly, mind you). Here's what it does compared to the Athlon X2 3600+: AMD Athlon X2 3600+ - Brisbane (AM2) stock - 1.35V Minimum: 0.8 Ghz @ 0.800 Volt Stock: 1.9 Ghz @ 1.000 Volt vs AMD X2 BE-2350 (AM2) stock - 1.25V Minimum...

The VID is locked. The specified lower vcore is probably the acceptable range for the package. AFAIK, in order to go lower, one would need BIOS undervolting. You could also mod your VID pins ;) Okay, forget I asked. :) I have a relative new CPU to add (tested it today): AMD X2 BE-2350 (AM2) stock -...

Actually, the NSK3480 (380W 80+ PSU) is an improved version of the NSK3300 (300W SFX PSU), with the NSK3400 (380W PSU) as a step in between.

Thanks, I've added your results.

If I may ask, how come the Meroms don't go below a 0.950v (T5600) and 0.975 (T7400) respectively. According to this site it should be able to vary between 0.75~1.3V.

fri2219 wrote:I'm using ASUS BIOS to run a Brisbane 4800+ at 1.1V. (Hasn't been stable at lower voltages).

Maybe you should try your hand at undervolting through RMClock (depending on your OS of course)?

I also wanted to advise those Samsung drives but couldn't find anything about power consumption (only had a quick look). The 400GB version has the following power consumption figures: 30% Duty Random Seek 9.4 Read/Write On Track*8 8.7 Idle 7.2 Whereas the Barracudas have a seek average of 12.6 and a...

I've updated the results, but please post only the minimum voltages at which your system is stable. It's the extremes we want to know here. AMD Athlon 64 3500+ - Orleans (AM2) Minimum: 1.0GHz @ .925V Stock: 2.2GHz @ 1.150V What is the stock voltage of this one, do you know? There Orleans-core Athlon...

Maybe a good case would be the NSK3480 (14"(H) x 7.8"(W) x 13.8"(D))? It has an 380 W Eartwatts PSU (80+ certified), which is probably just as good as the Seasonic you mention. Everything else looks quite good in my opinion. I don't know about the board and the 7050-chipset but it should have a good...

Thanks for the results, everyone! Intel C2D Mobile (Merom) T7400 stock idle freq/volt: 1.0 GHz @ 0.975v stock busy freq/volt: 2.16 GHz @ 1.21v undervolt idle: 1.0 GHz @ 0.975v (it's locked, won't go lower) undervolt busy: 2.16 GHz @ 1.04v am not overclocking. Is 0.975 the stock voltage for the T7400...

I would just set it directly to 1.15v and do the 24 hour prime95(on both cores) In my experience Orthos is a much easier to use stress testing program for dual cores. You have to perform a trick with the command line for Prime95 and with my 3600+ it didn't work. With Orthos you just press one butto...

Thanks for posting, miahallen and dragmor!

My sugesstion, as I listed, is to add successful OVERCLOCK & UNDERVOLT settings.

All data is interesting, so I'll be sure to add them.


ps I added stock voltages to some of the other CPUs

I've done a bit of undervolting with several CPUs and discovered that one can save quite a bit of energy with it, especially if you're involved in things like folding@home. Although the procedure is quite simple, finding out the minimum voltage values for your CPU takes a bit of time testing etc. It...

Thanks for that. I did give undervolting a try, i can't remember what to (possibly 1.1v) and saw maybe 1w difference. Should i be doing this in the bios or with something in windows? I'll give it another go when I get some time. Use this freeware program . Here's a tutorial . It's a bit outdated bu...

Update: I shortened the springs and now everything fits. I cleared CMOS, reinstalled windows, had a few hiccups (the screen even froze twice during restarts) but all devices seem to be recognized and nothing showed up on the tests I ran. Hopefully it remains like this, so there's hope for my other m...

Sorry for answering this late. So, here are my test results for the 300W SFX PSU that's in the Antec NSK3300 (will test the 380W PSU in the NSK3400 this week) versus a 80W PicoPSU with an 80W Edac power brick. You can also see what undervolting brings you. http://www.picserver.nl/i/AZWPTO22W7KY/256/...

I hope you guys can help me out with this one. I'm building a 1U rackmountable server for someone. Het wants it to be low power so I'm building it with the stuff I know will make it low power. Of course I had to buy a special 1U cooler and fan. I bought this cooler and this fan . Now my problem was ...

Undervolting will get you another 10% to 35% depending on load. I've got my X2 3600+ running idle at 0.8v and at stock clock speed it's 1.0v (just like the Sempron). The PicoPSU will probably be very interesting power consumptionwise. I'll have a look at my test results and tell you the difference b...

burebista wrote:

Palindroman wrote:Did I do anything wrong with Prime95?

You launch them from two separate folders, right?
But why you don't use Orthos instead 2xPrime95?

Thanks, I will try this later today.

Do you have the latest version of RMClock (2.25 I believe)? My 3600+ didn't function well with the previous version either. I had some trouble testing my X2 3600+ (Brisbane). Every time I would open a second Prime95 for the other core, the CPU wouldn't go to 100% but stay around 50% (both cores) unt...

for example, if the people in sub-saharan africa came up with a voluntary, yet stringent, environmental standard, do you think dell or hp would ever try to meet this standard? I know, that's why I started this thread. For instance I read today that Intel and Google target efficient PC power supplie...