We measured the power consumption of our entire test system at the wall while loading the CPU using Prime95's Small FFTs setting and GPU using FurMark. We also measured the power consumption with the system resting at the Windows 8 desktop. As this is a gaming system, we also decided to measure the power consumption while playing Battlefield 3.
Idle power consumption of 90W is what we would expect from a quad core system with discrete graphics card. A load power consumption of 285W shows that while this isn't the most energy-efficient system available, your electricity usage won't be ridiculously high.
I really dont like AMD systems, their CPUS are always very unpowered even for the price.
its becouse you have too alot money , if you have less you will chose amd and you will be happy , in game fps diference is low. and about multytasking you not using all programs in same time to feel diference.
Honestly, i used Ebuyer, found a rig more or less the same for £250, granted it has a smaller HDD, less RAM and only a built in AMD GPU, for an extra £50-£100 you can sort out the GPU and the RAM, which still leaves it £150 to £200 less than this rig, bargain in my eyes :3