Tiger Lake performance profile

By: Jose (1.delete@this.2.com), September 19, 2020 1:40 am
Room: Moderated Discussions
Andrei F (andrei.delete@this.anandtech.com) on September 18, 2020 3:26 am wrote:
> Jose (1.delete@this.2.com) on September 18, 2020 1:24 am wrote:
> > Doug S (foo.delete@this.bar.bar) on September 17, 2020 10:36 pm wrote:
> > > anon (anon.delete@this.anon.com) on September 17, 2020 7:10 pm wrote:
> > > > AnandTech's (SPEC ST performance) review is here: anandtech.com/show/16084/intel-tiger-lake-review-deep-dive-core-11th-gen/8
> > > >
> > > > All of TigerLake's extra performance over IceLake is due to higher clocks. And it significantly
> > > > outperforms the Zen 2 based AMD Renoir chip (Ryzen 7 4800U). However not all is good: TigerLake
> > > > experiences a noticeable IPC regression compared to IceLake. The memory subsystem is unable
> > > > to keep up with the higher clocks, and the reworked cache is not enough.
> > > >
> > > > And it just barely beats Apple's A13 despite using significantly more power.
> > > > Makes you think the A14 based Mac coming later this year will blow past Intel's
> > > > best CPU microarchitecture in single threaded integer performance.
> > >
> > >
> > > Going back what Apple stated about A14 being 40% faster than A12, A14 should be about 16% faster than A13.
> > > Add 16% to the A13 scores and it easily beats those Tiger Lake numbers in SPEC2006, for both int and fp.
> > >
> > > That doesn't even include the bigger caches and wider memory that the A14X will get, nevermind
> > > if they have something even better than A14X in store for that Macs arriving later this year.
> > I always have my doubts with benchmark numbers under different operating systems.
> > How can we compare SPEC/Geekbench etc numbers in iOS vs Windows?
> >
>
> Because the OS is irrelevant. There's no system calls in either
> SPEC or GeekBench, you're just running binary code on the CPU.
>
> The only valid concern is compiler differences between Apple's Xcode LLVM toolchain vs the
> public Clang toolchains, and I've been told by industry people the differences are minor.
No hardware interrupts, ISRs etc? How?

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TopicPosted ByDate
Tiger Lake performance profileanon2020/09/17 06:10 PM
  Tiger Lake performance profileClipping Coupons2020/09/17 07:22 PM
  Tiger Lake performance profileDoug S2020/09/17 09:36 PM
    Tiger Lake performance profileJose2020/09/18 12:24 AM
      Tiger Lake performance profileAndrei F2020/09/18 02:26 AM
        Tiger Lake performance profileitsmydamnation2020/09/18 02:19 PM
          Tiger Lake performance profileMaynard Handley2020/09/18 04:00 PM
            Tiger Lake performance profileAndrei F2020/09/19 07:29 AM
              Tiger Lake performance profileMaynard Handley2020/09/19 09:34 AM
                Tiger Lake performance profileAndrei F2020/09/19 09:43 AM
                  Tiger Lake performance profileanon2020/09/19 10:08 AM
                    Tiger Lake performance profileAndrei Frumusanu2020/09/19 10:52 AM
                      Tiger Lake performance profileanon2020/09/19 11:50 AM
                        Tiger Lake performance profileAndrei F2020/09/19 12:27 PM
          Tiger Lake performance profile-.-2020/09/19 03:31 PM
        Tiger Lake performance profileJose2020/09/19 01:40 AM
          Tiger Lake performance profileAndrei F2020/09/19 07:25 AM
            Tiger Lake performance profileJose2020/09/23 12:27 AM
    Tiger Lake performance profilejuanrga2020/09/18 01:38 AM
      Tiger Lake performance profileDoug S2020/09/18 08:25 AM
  Tiger Lake performance profileAndrei F2020/09/18 12:04 AM
    Tiger Lake performance profileAnon2020/09/18 02:25 AM
      Tiger Lake performance profileAndrei F2020/09/18 02:31 AM
    Tiger Lake performance profileTravis Downs2020/09/19 07:26 PM
      Tiger Lake performance profileMichael S2020/09/20 09:02 AM
        Tiger Lake performance profileTravis Downs2020/09/20 04:34 PM
          Tiger Lake performance profileMichael S2020/09/21 12:38 AM
            Tiger Lake performance profileAndrei F2020/09/21 05:50 AM
              MKPI ? MPKI ? HPKI ? (NT)Michael S2020/09/21 06:03 AM
                MKPI ? MPKI ? HPKI ?Anon2020/09/21 06:22 AM
                  thank you (NT)Michael S2020/09/21 06:42 AM
                  MKPI ? MPKI ? HPKI ?none2020/09/22 12:12 AM
              SPEC Memory traffic & bandwidthAndrei F2020/09/21 07:35 AM
                SPEC Memory traffic & bandwidthAndrei F2020/09/21 07:36 AM
                  SPEC Memory traffic & bandwidthDavid Kanter2020/09/21 01:31 PM
                What is the meaning of multiple rows in few subtests? (NT)Michael S2020/09/21 07:45 AM
                  What is the meaning of multiple rows in few subtests?Andrei F2020/09/21 07:57 AM
            Poor L1D load bandwidthEric Bron2020/09/21 05:56 AM
              erratumEric Bron2020/09/21 05:59 AM
              Sorry I missread the graphEric Bron2020/09/21 06:14 AM
              Poor main memory load bandwidthMichael S2020/09/21 06:19 AM
            Tiger Lake performance profileTravis Downs2020/09/21 02:51 PM
              Tiger Lake performance profileAndrei F2020/09/22 06:03 AM
    Tiger Lake security fixes possible cause?Kevin G2020/09/22 05:10 AM
      Tiger Lake security fixes possible cause?Travis Downs2020/09/22 06:26 AM
  SuperiorityMichael S2020/09/18 01:58 AM
    SuperiorityAndrei F2020/09/18 02:39 AM
      SuperiorityRobert Müller2020/09/18 02:59 AM
        SuperiorityAndrei F2020/09/18 03:47 AM
          SuperiorityRobert Müller2020/09/18 04:45 AM
            SuperiorityAndrei F2020/09/18 05:17 AM
              SuperiorityTravis Downs2020/09/18 06:21 AM
          Superiorityanon2020/09/18 11:34 AM
      SuperiorityMichael S2020/09/18 05:06 AM
        SuperiorityFoo_2020/09/18 05:17 AM
          SuperiorityMichael S2020/09/18 06:08 AM
      SuperiorityDavid Hess2020/09/18 11:55 AM
    SuperiorityAdrian2020/09/18 04:56 AM
      SuperiorityMichael S2020/09/18 06:51 AM
        SuperiorityAdrian2020/09/18 08:35 AM
          SuperioritythePirate2020/09/19 01:28 AM
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