cowboy44mag:

I would love to put a 35W rated cooler on the 10900T and see exactly what happens. I have a feeling that it would either throttle to 1Ghz (or under) or it might even burn itself up.

Efficiency rises quite rapidly with lower frequency, its not linear, so it'll keep its base-clock just fine. You could limit the CPU to 35W and see how it clocks, everything else is only hoping that the boost algorithm works fine, but there has been no evidence to suggest otherwise.

couple more security holes should bring it down a notch.

Intel is going this for last of two years, because its performance is no worse that AMD, they are not more respecting old TDP sense logic, to make their CPU looks better. Its simple like that.. Do you remember their workstation cpu with bundled fridge presentation fail?

schmidtbag:

Am I the only one who thinks 125W is reasonable for all 10 cores to be running at 4.8GHz? I assume this is also a 14nm part. Sure, this isn't great. Intel does need to step up their game. But it's not that bad.

I agree with you but the problem here is the TDP bs. Is extremley misleading and Intel knows that very well but they insist on rating their CPUs as being extremely power eficient when they are not that good. Like others wrote before, this should be forbidden.

schmidtbag:

Am I the only one who thinks 125W is reasonable for all 10 cores to be running at 4.8GHz? I assume this is also a 14nm part. Sure, this isn't great. Intel does need to step up their game. But it's not that bad.

That would be nice indeed. However where did you get the 4.8GHz all-core turbo at 125W from? This part is listed with a 4.5GHz single-core turbo. 10900k will have a 125W TDP at base clock speed which is only 3.7GHz.

intel officially says: TDP stands for Thermal Design Power, in watts, and refers to the power consumption under the maximum theoretical load. Power consumption is less than TDP under lower loads. The TDP is the maximum power that one should be designing the system for. This ensures operation to published specs under the maximum theoretical workload. Without critiquing specific errors in this thread, TDP is simply a metric to provide a power target for cooling solutions for desigers. In other words, this is how many watts a cooling solution will need to be dissipated at stock full loads. It is not power each individual model uses. I'd actually prefer they use the actual power draw or at least not have such wide range in the same processor family where the top end in the same family can draw 3 times the power of the base model.

As its already been pointed out ( and as stated on Intel's page about TDP ), the TDP number, is actual power draw, for a CPU running at base clocks, under typical loads. Since there's so many different scenarios ( different Turbo clocks, different workloads ) it does seem almost impossible to publish a number for every single one. But maybe they should at least have a ballpark Peak number as well.

Will intel be making a new chipset ? or will be ok with Z390 boards ?

Sixtyfps:

Will intel be making a new chipset ? or will be ok with Z390 boards ?

This is very old and googleable information. New CPU socket and chipset is required for the 10 series desktop chips.