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Intel reportedly delayed 10th gen Desktop Due to high (300w) power consumption
Many of us have been expecting some announcement from Intel on the Comet lake desktop processor front. We've already seen many motherboards names based on the new Z490 chipset leak and complete product listings. But nothing was mentioned during CES.
The following information, however, is based on chatter/rumor. While Intel did not give an official explanation, Germany based and well respected Computerbase notes that industry sources revealed Intel does not want to launch the new procs just yet because they seeing power consumption exceeding 300W, and are trying to optimize their design before launching them to the market. Intel's and AMD's turbo bins are a huge grey area. While 5+ GHz might look nice on a box, such high frequencies are refined by duration timings E.g. as example: instead of running all-core 5 GHz for 30 seconds, you can tweak that in the BIOS firmware to become 15 seconds to get that overall TDP more confined. You can think of such tweak to further enhance power draw. So according to the chatter, some motherboard manufacturers revealed that the ten-core product breaks the 300 Watt mark at maximum load. As a reality check, the 10-core i9 10900K should get a 125W TDP.
This high consumption would not just be a bit awkward, but manufacturers have also already designed their motherboards for certain specifications higher energy consumption could bring problems in relation to VRM designs. LGA 1200 motherboards from Asrock, Asus and Gigabyte have been ready to launch for a while. So the rumor is that the i9-10900K with 10 cores and higher frequencies can exceed 300W. We will have to wait to see if that is true though. Perhaps we'll learn more closer to the Computex timeframe.
Below the expected lineup, which is unofficial and unconfirmed by Intel.
| Mainstream Intel Core 10000-processors | ||||||
|---|---|---|---|---|---|---|
| CPU | Cores/threads | Baseklok | Turbo 1T | Max Turbo 3.0 | All-core turbo | TDP |
| i9 10900K | 10C/20T | 3.7 GHz | 5.1 GHz | 5.2 GHz* | 4.8 GHz | 125W |
| i9 10900 | 10C/20T | 2.8 GHz | 5.0 GHz | 5.1 GHz* | 4.5 GHz | 65W |
| i7 10700K | 8C/16T | 3.8 GHz | 5.0 GHz | 5.1 GHz | 4.7 GHz | 125W |
| i7 10700 | 8C/16T | 2.9 GHz | 4.7 GHz | 4.8 GHz | 4.6 GHz | 65W |
| i5 10600K | 6C/12T | 4.1 GHz | 4.8 GHz | - | 4.5 GHz | 125W |
| i5 10600 | 6C/12T | 3.3 GHz | 4.8 GHz | - | 4.4 GHz | 65W |
| i5 10500 | 6C/12T | 3.1 GHz | 4.5 GHz | - | 4.2 GHz | 65W |
| i5 10400 | 6C/12T | 2.9 GHz | 4.3 GHz | - | 4.0 GHz | 65W |
| i3 10320 | 4C/8T | 3.8 GHz | 4.6 GHz | - | 4.4 GHz | 65W |
| i3 10300 | 4C/8T | 3.7 GHz | 4.4 GHz | - | 4.2 GHz | 65W |
| i3 10100 | 4C/8T | 3.6 GHz | 4.3 GHz | - | 4.1 GHz | 65W |
| * Intel Thermal Velocity Boost (single-core / all core): 10900K: 5.3/4.9 GHz; 10900: 5.1/4.6 GHz | ||||||
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D3M1G0D
Senior Member
Posts: 2068
Joined: 2017-03-10
Senior Member
Posts: 2068
Joined: 2017-03-10
#5750282 Posted on: 01/13/2020 04:32 PM
I'm not at home so I can't link you my screenshot of yesterday but here's what an actual owner of both a 9900k and 3960x TR can tell you
1) processors advertised TDP are fantasy if you even mention them anything else you write becomes worthless
...
3) my 9900k@5.1Ghz 1.36v used around 180watts alone, total system power while stress-testing maxing cpu and gpu (1080ti) around 600watts
4) a 9900k downclocked to 4.2Ghz used 60watts instead in the same test !!!
5) a TR 3960x 24 cores 100% stock used 287watts ALONE, total system power while stress-testing maxing cpu and gpu (1080ti) 770-840watts !!! (I had a 850watt psu for the 9900k I bought a 1200watts for the TR)
...
So....I ordered custom loop parts, rebuilding my AMD case this weekend I could buy a 32 cores but didn't because I guessed the 24 cores would already be a nuclear reactor and I was right.
Dude, a 3960X is rated for 280 watts - that's the advertised TDP. This is not a fantasy figure; the figures that AMD provides are pretty close. The problem is mostly on the Intel side, where a CPU rated for 95 watts runs at 168 watts at full load.
I'm not at home so I can't link you my screenshot of yesterday but here's what an actual owner of both a 9900k and 3960x TR can tell you
1) processors advertised TDP are fantasy if you even mention them anything else you write becomes worthless
...
3) my 9900k@5.1Ghz 1.36v used around 180watts alone, total system power while stress-testing maxing cpu and gpu (1080ti) around 600watts
4) a 9900k downclocked to 4.2Ghz used 60watts instead in the same test !!!
5) a TR 3960x 24 cores 100% stock used 287watts ALONE, total system power while stress-testing maxing cpu and gpu (1080ti) 770-840watts !!! (I had a 850watt psu for the 9900k I bought a 1200watts for the TR)
...
So....I ordered custom loop parts, rebuilding my AMD case this weekend I could buy a 32 cores but didn't because I guessed the 24 cores would already be a nuclear reactor and I was right.
Dude, a 3960X is rated for 280 watts - that's the advertised TDP. This is not a fantasy figure; the figures that AMD provides are pretty close. The problem is mostly on the Intel side, where a CPU rated for 95 watts runs at 168 watts at full load.
Frodo
Junior Member
Posts: 1
Joined: 2020-02-20
Junior Member
Posts: 1
Joined: 2020-02-20
#5762026 Posted on: 02/20/2020 01:20 PM
Hmm, isn't TDP the powerdraw delta?
Like if you have a chip that idle on 70w and use 138w under full load, you get a delta of 68 , rounded off the CPU will get a TDP rating of 65w.
Thats how I've seen hardware gurus explain it.
Hmm, isn't TDP the powerdraw delta?
Like if you have a chip that idle on 70w and use 138w under full load, you get a delta of 68 , rounded off the CPU will get a TDP rating of 65w.
Thats how I've seen hardware gurus explain it.
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You are the one that is confused. The Toms Hardware you refer to managed to get a whopping 90w power consumption out of the 3700x stress test. And the Techpowerup article got 140 watt draw with their stress test. The "whole" system power draw was 300watts. That means everything on the motherboard, to include the motherboard at full power draw is 300w. And of course Guru3d results were 165 watts. All far from 300watts.