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To measure power consumption of the system we firstly leave the processor at default clock speeds and voltages and load it with Cinebench R11.5 64 bit. Next we overclock to 4.8ghz with 1.46 volts and measure the power drain after running the same Cinebench R11.5 64 bit test.
Lastly we install two GTX590's in Quad SLi and run at the same 4.8ghz overclocked system speeds to get an idea of a ‘worst case scenario'.
At reference clocks the system is actually very power efficient considering the performance available. By comparison we have measured 240watts from the AMD FX8150 Black Edition at reference clock speeds. Adding extra voltage and increasing the system demand effectively doubles the power requirement at the socket when under load.
After adding two Nvidia GTX590's to the system and running a CPU/GPU intensive benchmark (3dmark 11) we record a power demand of 904 watts at the socket. A 1000W power supply would be the minimum although we would recommend a 1250W power supply if you are considering building a similar system.
Absolutely brilliant review, very interesting to see them both at 4.8ghz when rendering. That L3 cache does make a difference.
wish I could afford the 3930k. but id need to change my motherboard as well……. still when I get £800 this will be the changes!
Very informative review and the pictures of the mobo are great. glad I found the site today.
I feel sorry for AMD, I remember when they were closely matched, but sadly no more 🙁
Fantastic read. I can only speak for the Intel Core i7 3930k —
While the product itself is great, it doesn’t include a cooling fan, necessitating the purchase of an aftermarket cooler. As of Dec. 6th, there are only a few compatible fans available on the market and Corsair Hydro Series H80 High Performance Liquid CPU Cooler (CWCH80) is the only one that I know of that Amazon carries. Buyer beware!
http://www.amazon.com/gp/product/B00603QXPM/ref=as_li_ss_tl?ie=UTF8&tag=emjay2d-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B00603QXPM
Nice system, love asus motherboards, this one has a passively cooled northbridge too which is better than the others. I hate seeing small fans blocked by graphics cards.
AMD where are you? I long for the days of good FX processors. That 8150 was a disaster. double the cores of 2600k and still slower 🙁
Great review! Now I have both devices in my computer. I’m waiting a opportunity to get a ideal power suply and enjoy this awsome configuration!