28+ W

By: another anon (not.delete@this.person.com), April 17, 2020 11:13 pm
Room: Moderated Discussions
David Kanter (dkanter.delete@this.realworldtech.com) on April 17, 2020 9:12 am wrote:
> me (me.delete@this.me.com) on April 15, 2020 7:42 pm wrote:
> > The models mentioned are almost certainly 28 or more W at base.
>
> I checked out similar processors at 28W (https://ark.intel.com/content/www/us/en/ark/compare.html?productIds=191050,137979).
>
> The best Coffee Lake 28W, 4C parts are 2.7-2.8GHz base clock and 4.5-4.7GHz peak clock.
> So if a 4C Tiger Lake runs at ~3GHz base, that's pretty solid at 28W and would translate
> into about 10% frequency gain and then 15% IPC gain over the best in class 4C offering.
>
> But as you say, the question is whether that's 3GHz base or 3GHz
> peak. 3GHz peak at 28W is unimpressive (even for 15W its meh).
>
> But it does seem like Tiger Lake should be a nice improvement in CPU
> performance, and a big step forward on graphics and other IP blocks.
>
> Maybe time to upgrade later this year?
>
> David


Well, AMD's Renoir 4C/4T Ryzen 3 4300U has a base frequency of 2700Mhz at 15W. If they felt like playing in the 28W space directly, one would think they might be able to have a fairly compelling product with either way higher base clocks or many more cores/threads at a similar power level. So calling Coffee Lake best in class might not be the best description any more.
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TopicPosted ByDate
Tiger lake leak, Intel 10nm fixed?Tiger Lake Leaks2020/04/14 09:30 AM
  Tiger lake leak, Intel 10nm fixed?anon2020/04/14 08:08 PM
    Tiger lake leak, Intel 10nm fixed?Wes Felter2020/04/15 02:46 PM
      Keep in mind Intel supposedly fixed their 10nm process at the same time TSMC is ramping up 5nm (NT)anon2020/04/23 10:14 PM
  28+ Wme2020/04/15 07:42 PM
    28+ WDavid Kanter2020/04/17 09:12 AM
      28+ Wanother anon2020/04/17 11:13 PM
        28+ WDummond D. Slow2020/04/18 09:27 AM
          28+ WDavid Kanter2020/04/19 07:27 PM
            28+ WAnon2020/04/19 08:47 PM
              28+ WDavid Kanter2020/04/19 09:50 PM
                28+ Wanny2020/04/20 05:56 AM
                28+ WAnon2020/04/20 08:03 AM
                28+ Wwumpus2020/04/20 02:39 PM
                  EPYC F lineAnon2020/04/20 05:35 PM
              28+ Wgallier22020/04/19 11:44 PM
              28+ WAlberto2020/04/20 09:07 AM
                28+ WAdrian2020/04/20 09:55 AM
                28+ WAnon2020/04/20 02:18 PM
                  28+ WAnon32020/04/20 04:02 PM
                  28+ WDummond D. Slow2020/04/20 09:05 PM
            28+ WAdrian2020/04/20 03:54 AM
            This was a comparison to put the "high clock" in contextDummond D. Slow2020/04/20 08:55 AM
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