Interesting Zen IPC benchmarks

By: Groo (, November 27, 2020 10:27 am
Room: Moderated Discussions
Chester ( on November 26, 2020 6:32 pm wrote:

> isn't very clear.
> If you've over or under clocked, you're supposed to put that in nominal or max frequency fields.
> It's not clear whether MCE counts as overclocking though. A 9900K official result
> lists 3600 MHz as the nominal frequency, even though at stock a 9900K will run all
> cores at 4.7 GHz. So the 'nominal frequency' field is pretty much meaningless.
> Another thing board vendors do is raise or remove time limits on PL2 power, allowing Intel
> chips to sustain higher power targets (and higher clocks) for longer. Technically this isn't
> stock either, but it's also questionable whether it's considered overclocking.
> There's a lot of debate about how reviewers should treat this stuff. But it
> doesn't seem like SPEC cares - they only care that the system vendor supports
> the configuration (which is irrelevant to people buying their own parts).

Good points. That said SPEC isn't really a benchmark for consumer systems, or wasn't meant to be. The way a lot of people I talked to explained it was that no serious company running spec for the right reasons, IE as a sales/comparison tool, would do OC and related tricks. Why? Because if customers bought the systems and ran the bench, they would get significantly lower results and then hilarity would follow. By hilarity I mean lawyers, nasty phone calls from CxOs, etc.

So for the intended market, the rules as they stand seem pretty OK but probably need an update. For the consumer market we are already well past the point of honesty on the part of the vendors, many of them have pushed cheating down into firmware and even hardware in a few credible accusations. It will only get worse.

In the end it will be as it always is, look at the source who is publishing the benchmark. If it is Dell, Fujitsu, or a similar tier-1, it is probable safe especially if they sell many different CPUs to the same market. Silicon vendors can be less honest, and anything lower than that, big grain of salt.

This is why I go off on Twitter and in my articles about disclosure. At the moment, Intel is the only one doing right, or very close to it. AMD bitterly complained for years about how bad Intel was, then stopped even trying when they took the lead. Now they appear to be inching closer to tolerable. The rest are pretty worthless but I will keep on pointing it out.

What it comes down to is look a little deeper than the scores themselves, and point it out when people do wrong. If you don't, they will keep doing it.

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TopicPosted ByDate
Interesting Zen IPC benchmarksAdrian2020/11/21 08:14 AM
  Interesting Zen IPC benchmarksjuanrga2020/11/21 10:22 AM
    Interesting Zen IPC benchmarksChester2020/11/21 03:49 PM
      Interesting Zen IPC benchmarksAndrei F2020/11/22 05:08 AM
        Interesting Zen IPC benchmarksChester2020/11/22 09:33 PM
          Interesting Zen IPC benchmarksnone2020/11/23 01:59 AM
            Interesting Zen IPC benchmarksnone2020/11/23 02:01 AM
              Interesting Zen IPC benchmarksnone2020/11/23 02:01 AM
          No...David Kanter2020/11/23 08:16 AM
            No...Chester2020/11/23 03:15 PM
              No...Foo_2020/11/24 03:34 AM
                No...Chester2020/11/25 12:45 AM
                  No...Per Hesselgren2020/11/25 01:57 AM
                  No...Adrian2020/11/25 04:21 AM
          Interesting Zen IPC benchmarksDoug S2020/11/23 01:03 PM
            Interesting Zen IPC benchmarksChester2020/11/23 03:26 PM
              Programs people useFoo_2020/11/24 03:43 AM
                Programs people useJukka Larja2020/11/24 07:07 AM
                Cinebench is the new Dhrystone :) (NT)none2020/11/25 01:10 AM
              Interesting Zen IPC benchmarksjuanrga2020/11/24 08:38 AM
          Interesting Zen IPC benchmarksAndrei F2020/11/24 05:47 AM
            Interesting Zen IPC benchmarksChester2020/11/25 12:32 AM
              Questionable thoughtsbenchmark critic2020/11/25 08:41 AM
                Questionable thoughtsChester2020/11/25 03:14 PM
                Questionable thoughtsnone2020/11/26 01:14 AM
                  Links?benchmark critic2020/11/26 09:48 AM
              Interesting Zen IPC benchmarksGroo2020/11/25 01:48 PM
                Interesting Zen IPC benchmarksChester2020/11/25 04:36 PM
                  Interesting Zen IPC benchmarksGroo2020/11/26 02:46 PM
                    Interesting Zen IPC benchmarksChester2020/11/26 07:32 PM
                      Interesting Zen IPC benchmarksGroo2020/11/27 10:27 AM
                        Interesting Zen IPC benchmarksChester2020/11/29 07:16 AM
                          Interesting Zen IPC benchmarksGroo2020/11/29 09:56 AM
                            Interesting Zen IPC benchmarksChester2020/11/29 04:41 PM
                Interesting Zen IPC benchmarksRayla2020/11/26 07:46 AM
                  BenchmarksDavid Kanter2020/11/26 10:05 AM
                    Benchmarksblaine2020/11/26 01:04 PM
          Interesting Zen IPC benchmarksPer Hesselgren2020/11/24 10:11 AM
            Interesting Zen IPC benchmarksChester2020/11/25 12:42 AM
      Interesting Zen IPC benchmarksjuanrga2020/11/22 07:09 AM
        Interesting Zen IPC benchmarksChester2020/11/22 09:53 PM
          Interesting Zen IPC benchmarksjuanrga2020/11/23 01:16 PM
            Interesting Zen IPC benchmarksChester2020/11/23 02:27 PM
              Interesting Zen IPC benchmarksjuanrga2020/11/24 08:25 AM
            Interesting Zen IPC benchmarksAdrian2020/11/24 11:51 AM
              Interesting Zen IPC benchmarksjuanrga2020/11/26 04:52 AM
  The Stilt's Zen 3 IPC benchmarksDummond D. Slow2020/11/25 09:29 AM
    The Stilt's Zen 3 IPC benchmarksChester2020/11/25 04:49 PM
      The Stilt's Zen 3 IPC benchmarksDummond D. Slow2020/11/25 05:58 PM
        The Stilt's Zen 3 IPC benchmarksDoug S2020/11/26 09:19 AM
      The Stilt's Zen 3 IPC benchmarksDummond D. Slow2020/11/25 06:13 PM
        The Stilt's Zen 3 IPC benchmarksChester2020/11/26 11:24 AM
          The Stilt's Zen 3 IPC benchmarksitsmydamnation2020/11/26 03:06 PM
            The Stilt's Zen 3 IPC benchmarksChester2020/11/26 07:10 PM
            The Stilt's Zen 3 IPC benchmarksDoug S2020/11/27 04:17 PM
      The Stilt's Zen 3 IPC benchmarksjuanrga2020/11/26 05:10 AM
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