By: itsmydamnation (no.delete@this.way.com), November 26, 2020 2:06 pm
Room: Moderated Discussions
Chester (lamchester.delete@this.gmail.com) on November 26, 2020 10:24 am wrote:
> > > I'm gonna criticize this test for the opposite reason juanrga criticized the other one: this person
> > > didn't match memory speeds. Intel was tested with DDR4-2933, AMD was tested with DDR4-3200. When
> > > comparing architectures, it's best to keep variables constant as much as possible.
> > >
> > BTW for Matisse and Vermeer the supported speed is the
> > same (DDR-3200) and the same was used for both so the
> > Zen 3 IPC boost is not influenced by this, only Skylake's IPC is
>
> Matisse/Vermeer only support up to DDR4-3200 because the JEDEC standard
> stops there. Skylake only supporting DDR4-2933 is rather arbitrary.
>
> But both AMD and Intel are regularly run with faster memory. Insisting on sticking to 'stock' memory speeds
> is a misguided refusal to acknowledge the popularity of XMP. Maybe juanrga's position made sense 15 years
> ago when faster than officially supported memory wasn't the default. Times have changed though.
>
The problem is Intel locks memory "overclocking" in almost all of its chipsets. So while you can by a budget $50 A320 MB for a Zen3 and run DDR-4000 1:1 to fabric almost no problems you cant do the same for intel outside of the expensive Z line of motherboards.
> > > I'm gonna criticize this test for the opposite reason juanrga criticized the other one: this person
> > > didn't match memory speeds. Intel was tested with DDR4-2933, AMD was tested with DDR4-3200. When
> > > comparing architectures, it's best to keep variables constant as much as possible.
> > >
> > BTW for Matisse and Vermeer the supported speed is the
> > same (DDR-3200) and the same was used for both so the
> > Zen 3 IPC boost is not influenced by this, only Skylake's IPC is
>
> Matisse/Vermeer only support up to DDR4-3200 because the JEDEC standard
> stops there. Skylake only supporting DDR4-2933 is rather arbitrary.
>
> But both AMD and Intel are regularly run with faster memory. Insisting on sticking to 'stock' memory speeds
> is a misguided refusal to acknowledge the popularity of XMP. Maybe juanrga's position made sense 15 years
> ago when faster than officially supported memory wasn't the default. Times have changed though.
>
The problem is Intel locks memory "overclocking" in almost all of its chipsets. So while you can by a budget $50 A320 MB for a Zen3 and run DDR-4000 1:1 to fabric almost no problems you cant do the same for intel outside of the expensive Z line of motherboards.
Topic | Posted By | Date |
---|---|---|
Interesting Zen IPC benchmarks | Adrian | 2020/11/21 07:14 AM |
Interesting Zen IPC benchmarks | juanrga | 2020/11/21 09:22 AM |
Interesting Zen IPC benchmarks | Chester | 2020/11/21 02:49 PM |
Interesting Zen IPC benchmarks | Andrei F | 2020/11/22 04:08 AM |
Interesting Zen IPC benchmarks | Chester | 2020/11/22 08:33 PM |
Interesting Zen IPC benchmarks | none | 2020/11/23 12:59 AM |
Interesting Zen IPC benchmarks | none | 2020/11/23 01:01 AM |
Interesting Zen IPC benchmarks | none | 2020/11/23 01:01 AM |
No... | David Kanter | 2020/11/23 07:16 AM |
No... | Chester | 2020/11/23 02:15 PM |
No... | Foo_ | 2020/11/24 02:34 AM |
No... | Chester | 2020/11/24 11:45 PM |
No... | Per Hesselgren | 2020/11/25 12:57 AM |
No... | Adrian | 2020/11/25 03:21 AM |
Interesting Zen IPC benchmarks | Doug S | 2020/11/23 12:03 PM |
Interesting Zen IPC benchmarks | Chester | 2020/11/23 02:26 PM |
Programs people use | Foo_ | 2020/11/24 02:43 AM |
Programs people use | Jukka Larja | 2020/11/24 06:07 AM |
Cinebench is the new Dhrystone :) (NT) | none | 2020/11/25 12:10 AM |
Interesting Zen IPC benchmarks | juanrga | 2020/11/24 07:38 AM |
Interesting Zen IPC benchmarks | Andrei F | 2020/11/24 04:47 AM |
Interesting Zen IPC benchmarks | Chester | 2020/11/24 11:32 PM |
Questionable thoughts | benchmark critic | 2020/11/25 07:41 AM |
Questionable thoughts | Chester | 2020/11/25 02:14 PM |
Questionable thoughts | none | 2020/11/26 12:14 AM |
Links? | benchmark critic | 2020/11/26 08:48 AM |
Interesting Zen IPC benchmarks | Groo | 2020/11/25 12:48 PM |
Interesting Zen IPC benchmarks | Chester | 2020/11/25 03:36 PM |
Interesting Zen IPC benchmarks | Groo | 2020/11/26 01:46 PM |
Interesting Zen IPC benchmarks | Chester | 2020/11/26 06:32 PM |
Interesting Zen IPC benchmarks | Groo | 2020/11/27 09:27 AM |
Interesting Zen IPC benchmarks | Chester | 2020/11/29 06:16 AM |
Interesting Zen IPC benchmarks | Groo | 2020/11/29 08:56 AM |
Interesting Zen IPC benchmarks | Chester | 2020/11/29 03:41 PM |
Interesting Zen IPC benchmarks | Rayla | 2020/11/26 06:46 AM |
Benchmarks | David Kanter | 2020/11/26 09:05 AM |
Benchmarks | blaine | 2020/11/26 12:04 PM |
Interesting Zen IPC benchmarks | Per Hesselgren | 2020/11/24 09:11 AM |
Interesting Zen IPC benchmarks | Chester | 2020/11/24 11:42 PM |
Interesting Zen IPC benchmarks | juanrga | 2020/11/22 06:09 AM |
Interesting Zen IPC benchmarks | Chester | 2020/11/22 08:53 PM |
Interesting Zen IPC benchmarks | juanrga | 2020/11/23 12:16 PM |
Interesting Zen IPC benchmarks | Chester | 2020/11/23 01:27 PM |
Interesting Zen IPC benchmarks | juanrga | 2020/11/24 07:25 AM |
Interesting Zen IPC benchmarks | Adrian | 2020/11/24 10:51 AM |
Interesting Zen IPC benchmarks | juanrga | 2020/11/26 03:52 AM |
The Stilt's Zen 3 IPC benchmarks | Dummond D. Slow | 2020/11/25 08:29 AM |
The Stilt's Zen 3 IPC benchmarks | Chester | 2020/11/25 03:49 PM |
The Stilt's Zen 3 IPC benchmarks | Dummond D. Slow | 2020/11/25 04:58 PM |
The Stilt's Zen 3 IPC benchmarks | Doug S | 2020/11/26 08:19 AM |
The Stilt's Zen 3 IPC benchmarks | Dummond D. Slow | 2020/11/25 05:13 PM |
The Stilt's Zen 3 IPC benchmarks | Chester | 2020/11/26 10:24 AM |
The Stilt's Zen 3 IPC benchmarks | itsmydamnation | 2020/11/26 02:06 PM |
The Stilt's Zen 3 IPC benchmarks | Chester | 2020/11/26 06:10 PM |
The Stilt's Zen 3 IPC benchmarks | Doug S | 2020/11/27 03:17 PM |
The Stilt's Zen 3 IPC benchmarks | juanrga | 2020/11/26 04:10 AM |