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Intel Debuts 9th-Gen Core Chips, Including Core i9 and X-Series Parts, With a Few Twists (pcworld.com)

Intel unveiled its 9th-generation Core desktop chips, with the notable omission of a key feature: Hyper-Threading, at least on all but the most exclusive Core i9-9900K for mainstream PCs. Hyper-Threading has also been reserved for a new iteration of Intel's X-series processors, which includes up to 18 cores and 36 threads. From a report: In a livestream Monday morning from its Fall Launch Event in New York, the company announced just a single Core i9 chip, the $488 Core i9-9900K. Later, the company privately revealed two others in the Core i7 and Core i5 families. Intel also announced a new series of X-class chips, ranging from 8 cores and 16 threads through 18 cores and 36 threads. Prices will range from $589 to $1,979.

It's certainly fair to say that Intel surprised us all with the unexpected shift of its upcoming 28-core chip to the Xeon family, as well as the announcement of the X-series chips, too. And what's the deal with hyperthreading? Intel's announcement certainly adds some new topics to talk about in the months ahead. Part of the confusion was due to what Intel was expected to announce: a family of new 9th-gen chips, from Core i3s up through the Core i9, and how it did so. On the publicly available livestream, the company revealed only the presence of the Core i9-9900K, as well as the presence of the new X-series parts. Later, after the livestream had concluded, Intel fleshed out the remaining members of the K-series parts, and disclosed the price and performance of the X-series parts.

However, Intel didn't even mention what many enthusiasts wanted to know: why only the i9-9900K, out of all of Intel's mainstream parts, boasts the Hyper-Threading feature.
Further reading: Intel claims best gaming processor with 9th Gen Core unveiling.

24 of 160 comments (clear)

  1. IIRC... by InfiniteBlaze · · Score: 4, Informative

    Hyperthreading is at least partly to blame for the serious security flaws in nearly every processor produced over the last two decades. The 9900K still has it because some people value speed over security. https://www.itnews.com.au/news...

    1. Re:IIRC... by Anonymous Coward · · Score: 4, Informative

      Read and learn:

      We’ve seen over the past few months that the Meltdown and Spectre flaws were not a one-time vulnerability that we could patch once and then forget about. Multiple Spectre-like speculative execution flaws have been found since Meltdown and Spectre was revealed earlier this year, and chances are we’ll continue to see more of them until the entire class of speculative execution bugs are fixed at the CPU architecture level.

      de Raadt also believes that Hyper-Threading itself will exacerbate most of the speculative execution bugs in the future, which is why now is the best time to disable it. He also recommended updating your BIOS firmware if you can.

      https://www.tomshardware.com/news/disable-intel-hyper-threading-security,37690.html

    2. Re:IIRC... by houstonbofh · · Score: 4, Insightful

      The 9900K still has it because some people value speed over security.

      Lots of people value speed over security. This is why some people buy motorcycles over Volvos. Or keycards over keys. It is often a valid choice. It is also why the Specter and meltdown mitigations are switchable in Linux. I have turned them off on some internal servers where security is less important. That can also save heat waste and power. Absolutes are often a bad thing...

    3. Re:IIRC... by DontBeAMoran · · Score: 4, Funny

      Absolutes are often a bad thing...

      Absolutes are never a bad thing.

      --
      #DeleteFacebook
    4. Re:IIRC... by edtice1559 · · Score: 2

      Why does hyper threading require speculative execution? I'm not up to date on the latest in hyper-threading but the idea is that if you have an integer unit and a floating point unit, hyper-threading lets you treat them as two cores. If the OS implements this well, you can get some additional performance. If not it can actually be worse. The article liked to in the grandparent *speculates* that this may yield a useful timing attack. But so far not has been found.

    5. Re:IIRC... by mysidia · · Score: 3, Informative

      It sounds like you only heard about Meltdown but not the issues related to Foreshadow a.k.a the L1 Terminal Fault (L1TF)

      For some attacks: disabling Hyperthreading is necessary to completely mitigate.

  2. A tech news story? On slashdot? by Anonymous Coward · · Score: 5, Funny

    I come here for global warming and trump articles, not tech news.

  3. Best gaming CPU = best single threaded performance by PeeAitchPee · · Score: 2

    From someone who buys lots of CPUs from both Intel and AMD: Intel is still the single thread champ. Know Thy Workload and always use the best tool for each job.

  4. Re:Spectre, Meltdown, Backdoors required by ArchieBunker · · Score: 3, Informative
    --
    Only the State obtains its revenue by coercion. - Murray Rothbard
  5. Deletion of hyperthreading known in July by michaelmalak · · Score: 2
  6. Considering this is the same 14nm process... by OwP_Fabricated · · Score: 2

    ...what kind of housefires are these things gonna be? They almost certainly went back to solder because toothpaste wasn't going to cut it for these chips to even work. The last AMD processor I bought was an X2 4200+ something like 10 years ago, but I think they're going to get my business back because I'm not paying a premium for a hotplate running the zillionth tweaked version of an architecture we've had for the better part of a decade.*

  7. I love Intel performance per/clock, but... by Jahoda · · Score: 4, Informative

    Man, like many slashdotters, I used to be firmly AMD prior to the Core-series of processors. Since then, my last 3 desktops since ~2007 have been Intel.

    . The fact is that at this moment, the single thread performance of Intel's chips, and their performance per-core is unmatched. If you're doing anything with multimedia, such as x265 encoding, video editing, whatever, Intel is still the best.

    But the fact is that AMD is coming with more cores, and higher clocks, and lower cost. And they are rapidly reaching the tipping point where 24 of their cores for $500 bucks make a lot more sense than 6 of Intel's for $500 bucks.

    All I am seeing from Intel's 9th generation is an upward-rebrand of all their parts, eliminating the Celeron. And, a continued artificial scarcity of cores and PCI bandwidth to push customers up into the Xeon lines...

    , this coming from a company that apparently can't get to 10nm until next year, and is facing major supply issues....

    Well, all these things do not bode well for Intel.

    1. Re:I love Intel performance per/clock, but... by gman003 · · Score: 5, Interesting

      Single-threaded benchmarks put Zen and *Lake at the same IPC. AMD wins some benchmarks, Intel wins some. That's why Intel had to shit out these high-clock parts - while first-gen Ryzen had a pretty low clock ceiling, second-gen Ryzen matched the contemporary eighth-gen Core series. These chips here are only faster than Ryzen in single-threaded performance because they're clocked to the absolute limit.

      And across the entire spectrum, AMD is matching or winning on core count, and treats SMT as a near-standard feature (only excluded on the bottom-end R3s) instead of a top-end halo feature (now present only on i9s).

    2. Re:I love Intel performance per/clock, but... by nasch · · Score: 2

      And they are rapidly reaching the tipping point where 24 of their cores for $500 bucks make a lot more sense than 6 of Intel's for $500 bucks.

      Only if your work is heavily parallel. If the process you're running can only make use of 4 or 6 cores anyway, the other 18 aren't going to do much good. There is no need to reply just to say that your workload can in fact make use of 24 cores. That's fine. I'm just saying that adding a whole bunch of cores is not equivalent to making the cores faster in the general case. I'd rather have four really fast cores than 24 slower ones. Of course, I'd also rather not pay 500 bucks for a processor, but that's neither here nor there.

  8. Re: Best gaming CPU = best single threaded perform by Anonymous Coward · · Score: 5, Insightful

    Your gut is wrong and no doubt influenced by marketing and shilling from Intel.

    You can buy a Meltdown invulnerable CPU from AMD *today*. These new CPUs from Intel are still vulnerable and it will be years before they sell one that isn't.

    Go AMD.

  9. There's some vids on Youtube by rsilvergun · · Score: 2

    that show Ryzen doing better than Intel in modern games due to the better multi-core. Intel will crank out higher avg FPS but has much, much worse 1% lows. If you're already hitting 120+ FPS then for a lot of games the Ryzen's a better experience, especially a Ryzen 2. Right now a passmark single-thread score of 2100 seems to be the sweet spot for everything except Total Warhammer & Ashes of the Singularity.

    Now, if price isn't an object then you just go with Intel's $1000 or $2000 part and get the best of both worlds, but if you're on any kind of budget whatsoever Ryzen's probably the way to go. But you're right about "Know your workload". That changes if you're a heavy strat gamer.

    --
    Hi! I make Firefox Plug-ins. Check 'em out @ https://addons.mozilla.org/en-US/firefox/addon/youtube-mp3-podcaster/
  10. Re:Best gaming CPU = best single threaded performa by Type44Q · · Score: 3, Insightful

    More to the point, which current offering is the i7 2600K of years past (not too expensive and overclocks like crazy?)

    Amusingly enough, it's probably the 2nd-gen Ryzen5 2600X.

  11. Re:Not intererested in new processors for a while by K.+S.+Kyosuke · · Score: 4, Informative

    Lots of cheap machines come with only 32 GB of storage because they get cheaper Windows licenses this way.

    --
    Ezekiel 23:20
  12. No thanks by WaffleMonster · · Score: 2

    No ECC /w only 16 lanes = No sale

  13. Re: Best gaming CPU = best single threaded perform by blackomegax · · Score: 3, Interesting

    I just built a ryzen 2600/vega 64 system. There's literally nothing wrong with it. It never crashes. the CPU gets 1300 cinebench, and games better than my i5 haswell did(ryzen has faster single-thread than the i5 too). the vega is rock solid and trades blows with a GTX1080/RTX2070. Witcher 3 runs fluid smooth at 4k max settings. I mostly game at 1440p though so this should last me the next 5-6 years. You may have PTSD from ATI, but AMD has been good for GPU's since the 290x, and good for CPU's since ryzen.

  14. Re:10th Gen by Anonymous Coward · · Score: 2, Informative

    The other two AC replies you got didn't answer your question at all :-(

    I'm not the original poster, but I strongly suspect it was a post from IOS (ex. an iPhone). On IOS, Settings -> General -> Keyboards -> Smart Punctuation, causes some punctuation (ex. quotes) to be automatically replaced by more typographically appropriate alternatives (like curly quotes). See here for info on that: https://www.jordanmerrick.com/posts/ios-11-smart-punctuation

    He may be using something else, but some feature like that is likely the culprit. Of course, this could be preventable or automatically fixed by slashdot. Fault is really shared by:
    * the user (between preview and the option to disable that feature, they can address this directly)
    * IOS for automatically changing the text written without any good notice to the user
    * slashdot for not supporting UTF8 in comments (support it or don't; the current behavior is broken)
    * slashdot for not enforcing ASCII only in comments (detect and prevent on the review; strip them or error out on submit)

  15. Re: Best gaming CPU = best single threaded perform by Anonymous Coward · · Score: 2, Interesting

    Anyone making emotional decisions when buying computer hardware will probably wind up being disappointed. Explaining to people today why they should chose AMD when they reference "being burned by ATI" is probably a wasted effort. Since you know, ATI hasn't existed in about a decade as an independent company.

    AMD is a proven viable option on at least the CPU front (and really not that bad on the dGPU front, if you can find a decent deal on RX Vega 64). Anyone who doesn't know that today has their head in the sand.

  16. Re: Best gaming CPU = best single threaded perform by MachineShedFred · · Score: 2

    A current model CPU games better than a 5 year old competitor. Well that's a glowing endorsement...

    --
    Slashdot still doesnâ(TM)t support Unicode after it was added to the HTML standard in 1997.
  17. Re: Best gaming CPU = best single threaded perform by Anonymous Coward · · Score: 2, Informative

    reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" /v FeatureSettingsOverride /t REG_DWORD /d 3 /f

    reg add "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management" /v FeatureSettingsOverrideMask /t REG_DWORD /d 3 /f