Intel Will no Longer Disclose Multi-Core Turbo Boost Frequencies
In yet another unexpected move Intel has made is clear that it will not be sharing any details anymore on the multi-core Turbo clock frequencies of their processors.
You might already have noticed it, Intel is only listing the highest Boost frequency, and not the rest. Here’s the thing, the recent generation processors basically have three main frequencies.
- Base Baseclock
- Binned multi all-core clock turbo
- Single thread turbo
Intel from now on will only list the base and (1) and Single thread (3) turbo. As to why this is, remains uncertain, however many scenarios pop into mind. It might be a legal reason as they cannot guarantee the all core turbo on all processors.However, the longer I think about this, then an old routine kicks in .. what would be the most probable? Might it be that Intel likes that highest Turbo listed on their packaging a bit better for marketing and thus sales? I mean, it’s not unthinkable right? The guys from eteknix have a quote from Intel on this:
“[W]e’re no longer disclosing this level of detail as its proprietary to Intel. Intel only specifies processor frequencies for base and single-core Turbo in our processor marketing and technical collateral, such as ARK, and not the multi-core Turbo frequencies. We’re aligning communications to be consistent. All Turbo frequencies are opportunistic given their dependency on system configuration and workloads.”
So a Core i7 8700 is now being listed as a 4.7 GHz processor (click the link and look at the ARK info). But considering that is just one thread, it really runs 4.3 GHz on all six cores. Weird move huh?
Processor | Cores / Threads | Base Clock | Turbo 2.0 (6c) | Turbo 3.0 (1c) | L3 | TDP | Price |
---|---|---|---|---|---|---|---|
Core i7 8700K | 6/12 | 3.7 GHz | 4.3 GHz | 4.7 GHz | 12 MB | 95 W | $359 / €389 |
Core i7 8700 | 6/12 | 3.2 GHz | 4.3 GHz | 4.6 GHz | 12 MB | 65 W | $303 / €327 |
Core i5 8600K | 6/6 | 3.6 GHz | 4.1 GHz | 4.3 GHz | 9 MB | 95 W | $257 / €273 |
Core i5 8400 | 6/6 | 2.8 GHz | 3.8 GHz | 4.0 GHz | 9 MB | 65 W | $182 / €192 |
Core i3 8350K | 4/4 | 4.0 GHz | NA | NA | 8 MB | 91 W | $169 / €189 |
Core i3 8300 | 4/4 | 4.0 GHz | NA | NA | 8 MB | 65 W | - |
Core i3 8100 | 4/4 | 3.6 GHz | NA | NA | 6 MB | 65 W | $117 / €123 |
If you look at the above table, pretty much the greyed out Turbo 2.0 info is no longer disclosed by Intel.
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Senior Member
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Every 8700(K) that only hits 3.8~4.2ghz all core boost becomes a defective, non-sellable unit - or garbage, so to speak.
Or they just rename them i5's and i3's and sell them on...

Senior Member
Posts: 1169
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For me this is just a perfect example of sleazy marketing.
CPU manufacturers should only be allowed to market/advertise based on the base clock alone - not tricking consumers by advertising max boost clock speeds
Senior Member
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Joined: 2017-03-10
Not to defend Intel, but how many of us know the all-core turbo clocks of our own CPUs? I'd bet most consumers won't, nor would they be able to find out (if they even care). Also, many enthusiasts will overclock anyways or run using enhanced turbo. Although not disclosing the all-core turbo is certainly a questionable move, I don't really think it matter that much to be honest.
Senior Member
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is this got to do with heat? MCE and the release of videos like this -
Senior Member
Posts: 1169
Joined: 2010-01-04
Exactly. You got it. Many off the line would be base clock 3.4GHz OK and single core 4.7GHz OK but the rest of cores might only hit 3.5, 3.6, 3.8 etc. so now they can sell these as well instead of just the dies that can hit 4.3GHz on all cores. They are going to brand them Celeron...