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Guru3D.com » News » Intel releases 35W Intel Core i9-11900T and Core i7-11700T Rocket lake procs (with 115W PL2)

Intel releases 35W Intel Core i9-11900T and Core i7-11700T Rocket lake procs (with 115W PL2)

by Hilbert Hagedoorn on: 04/27/2021 09:50 AM | source: hardware.info | 50 comment(s)
Intel releases 35W Intel Core i9-11900T and Core i7-11700T Rocket lake procs (with 115W PL2)

Next to K (unlocked) and F (disabled iGPU) models, Intel also has the T series (low energy) processors. And for the Rocket generation that means low power (well somewhat) 35W TDP rated processors.

Intel launched a duo of 35W models initially, based on Rocket Lake. The limited TDP means a hefty restriction on power consumption, clock speeds, and thus performance. the two parts listed right now are the Core i9-11900T and Core i7-11700T. Both chips offer 8 cores and 16 threads. The clock speeds differ: the i9 offers a 1.5 GHz axis base and can go up to 4.9 GHz. The i7 goes for 1.4 / 4.6 GHzHowever there will be more SKU's of course:

  • Core i9-11900T
  • Core i7-11700T
  • Core i5-11600T
  • Core i5-11500T
  • Core i5-11400T

Interesting fact, these are 35W ratings. And I have been stating for a while now that TDP means jack these days the manufacturers do with ti as they please. The procs have a PL1 state of 35W and wait for it .... a 115W PL2 state. Interestingly enough the processors are a notch more expensive than the regular versions. The i9 is sold for about 450 euros, the i7 about 100 euros less. 

   

Core Arch Base All-core Single-core Cores/threads L3 TDP OC DRAM GPU EUR
Core i9-11900K Cypress Cove 3.5GHz 4.8GHz 5.3GHz 8/16 16MB 125W Yes DDR4-3200 UHD 750 548
Core i9-11900KF Cypress Cove 3.5GHz 4.8GHz 5.3GHz 8/16 16MB 125W Yes DDR4-3200 - 521
Core i9-11900 Cypress Cove 2.5GHz 4.7GHz 5.2GHz 8/16 16MB 65W No DDR4-3200 UHD 750 446
Core i9-11900F Cypress Cove 2.5GHz 4.7GHz 5.2GHz 8/16 16MB 65W No DDR4-3200 - 429
Core i9-11900T Cypress Cove 1.5GHz 3.7GHz 4.9GHz 8/16 16MB 35W No DDR4-3200 UHD 750 446
Core i7-11700K Cypress Cove 3.6GHz 4.6GHz 5GHz 8/16 16MB 125W Yes DDR4-3200 UHD 750 406
Core i7-11700KF Cypress Cove 3.6GHz 4.6GHz 5GHz 8/16 16MB 125W Yes DDR4-3200 - 380
Core i7-11700 Cypress Cove 2.5GHz 4.4GHz 4.9GHz 8/16 16MB 65W No DDR4-3200 UHD 750 328
Core i7-11700F Cypress Cove 2.5GHz 4.4GHz 4.9GHz 8/16 16MB 65W No DDR4-3200 - 303
Core i7-11700T Cypress Cove 1.4GHz 3.6GHz 4.6GHz 8/16 16MB 35W No DDR4-3200 UHD 750 328
Core i5-11600K Cypress Cove 3.9GHz 4.6GHz 4.9GHz 6/12 12MB 125W Yes DDR4-3200 UHD 750 266
Core i5-11600KF Cypress Cove 3.9GHz 4.6GHz 4.9GHz 6/12 12MB 125W Yes DDR4-3200 - 241
Core i5-11600 Cypress Cove 2.8GHz 4.3GHz 4.8GHz 6/12 12MB 65W No DDR4-3200 UHD 750 216
Core i5-11600T Cypress Cove 1.7GHz 3.5GHz 4.1GHz 6/12 12MB 35W No DDR4-3200 UHD 750 216
Core i5-11500 Cypress Cove 2.7GHz 4.2GHz 4.6GHz 6/12 12MB 65W No DDR4-3200 UHD 750 195
Core i5-11500T Cypress Cove 1.5GHz 3.4GHz 3.9GHz 6/12 12MB 35W No DDR4-3200 UHD 750 195
Core i5-11400 Cypress Cove 2.6GHz 4.2GHz 4.4GHz 6/12 12MB 65W No DDR4-3200 UHD 730 185
Core i5-11400F Cypress Cove 2.6GHz 4.2GHz 4.4GHz 6/12 12MB 65W No DDR4-3200 - 160
Core i5-11400T Cypress Cove 1.3GHz 3.3GHz 3.7GHz 6/12 12MB 35W No DDR4-3200 UHD 730 185
Core i3-10325 Skylake 3.9GHz 4.5GHz 4.7GHz 4/8 8MB 65W No DDR4-2666 UHD 630 157
Core i3-10305 Skylake 3.8GHz 4.3GHz 4.5GHz 4/8 8MB 65W No DDR4-2666 UHD 630 145
Core i3-10305T Skylake 3GHz 3.7GHz 4GHz 4/8 8MB 35W No DDR4-2666 UHD 630 145
Core i3-10105 Skylake 3.7GHz 4.2GHz 4.4GHz 4/8 6MB 65W No DDR4-2666 UHD 630 124
Core i3-10105F Skylake 3.7GHz 4.2GHz 4.4GHz 4/8 6MB 65W No DDR4-2666 - 99
Core i3-10105T Skylake 3GHz 3.6GHz 3.9GHz 4/8 6MB 35W No DDR4-2666 UHD 630 124
Pentium Gold G6605 Skylake 4.3GHz - - 2/4 4MB 65W No DDR4-2666 UHD 630 87
Pentium Gold G6505 Skylake 4.2GHz - - 2/4 4MB 65W No DDR4-2666 UHD 630 76
Pentium Gold G6505T Skylake 3.6GHz - - 2/4 4MB 35W No DDR4-2666 UHD 630 76
Pentium Gold G6405 Skylake 4.1GHz - - 2/4 4MB 65W No DDR4-2666 UHD 610 65
Pentium Gold G6405T Skylake 3.5GHz - - 2/4 4MB 35W No DDR4-2666 UHD 610 65

  

The Series T

So many suffixes, A "K" means an unlocked processor. A "U" means the chip is designed for laptops and mobile devices, as "U" chips are Intel's "ultra-low-power" models. Where "F" means the chip has no built-in graphics processor the "T" means the chips are designed to use less power while also having less performance than the standard chips without any letters. 



Intel releases 35W Intel Core i9-11900T and Core i7-11700T Rocket lake procs (with 115W PL2)




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Fox2232
Senior Member



Posts: 11809
Joined: 2012-07-20

#5907935 Posted on: 04/27/2021 09:15 AM
We can still power limit AMD's chips as we please. CPU then follows settings as closely as physically possible.
(It will not lower clock below lowest possible, and it will not decrease voltage below lowest possible. For example: 2700X has lowest clock 600MHz and Voltage 0.8V when using power limits to govern CPU.)

Side note, while Ryzen Master did not allow 2700X power limit under 70W, BIOS enables users to set even 15W.
(I did not try lower power limit than 15W as in that experiment series I was loading all cores with CB-R15. And 2700X 8C/16T under full load and 0.8V had 600MHz on all cores while eating actual 16.5W. Idling at 12W, which left very small space for actual single boosting. So experiment was over at that point for 2700X.)

ruthan
Senior Member



Posts: 565
Joined: 2016-05-24

#5907955 Posted on: 04/27/2021 10:38 AM
It as to have some switch to disable these power hungry mods and they should be off by default.. Is someone have good enough cooling ok, but this is killing whole low power cpu and easy to cool concept..

Kaarme
Senior Member



Posts: 2982
Joined: 2013-03-10

#5907963 Posted on: 04/27/2021 11:28 AM
It would be pretty funny to buy a low power 35W CPU on purpose, only to find out it regularly boosts up to well over 100W on the default settings. I'd understand 60W. Any more should require altering a setting in the bios.

Noisiv
Senior Member



Posts: 8187
Joined: 2010-11-16

#5907969 Posted on: 04/27/2021 12:35 PM
Interesting fact, these are 35W ratings. And I have been stating for a while now that TDP means jack these days the manufacturers do with ti as they please. The procs have a PL1 state of 35W and wait for it .... a 115W PL2 state.


playing devils advocate:

Intel's TDP has always been defined from the manufacturer's viewpoint( ie TDP is the maximum power that one should be designing the system for), instead from end user or wattmeter's point of view.
Intel's TDP has always meant cooling strength required. It never meant power consumption. And certainly not short term power consumption.

Intel's PL2 is simply utilizing the fact that 35W cooler can safely dissipate 115 Watts of heat for Tau amount of seconds.

yeeeeman
Member



Posts: 54
Joined: 2010-06-21

#5907980 Posted on: 04/27/2021 01:58 PM
Yes, fully agree with you @Noisiv
So many naysayers. Intel is trying to squeeze as much performance as they can within the confinements that they have (old process).
I don't understand what is wrong with having a short burst of extra performance if the cooler and the physics behind it supports it.
If you have a super tiny case with very hot temperatures, obviously the CPU won't be able to do it, so it'll stay at lower wattages.

The fact that Intel went to 300W in the top K parts, yeah, that is a bit too much, but again, you can disable that via BIOS switch and stay under the designated TDP, if that is really what you want. But do understand that working with an older process that needs to be pushed so high (over 5Ghz) means you will have big power numbers.

AMD simply enjoys the benefits of using a better process, that isn't even their design or work. TSMC is the one to congratulate.

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