What's AMD (Processors) up to? v2

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Re: What's AMD (Processors) up to? v2

Post by powerarmour » Sat Jul 13, 2019 10:18 am

impar wrote:
Sat Jul 13, 2019 9:34 am
As things stand, any boards that currently support the feature would be using pre-release AGESAs, and as we’ve seen with our own BIOS issues, the Ryzen 3000 BIOS situation is still evolving fast. So with AMD intending to permanently disable the feature – and prevent any workarounds – AMD’s goals haven’t wavered. At best, the few boards that have beta BIOSes with the feature will lose them in the future, unless users opted to stick with an unsupported (and almost certainly buggy) BIOS.
...
https://www.anandtech.com/show/14639/no ... ies-boards
Ironically the Asus BIOS 2406 that supports PCIe 4.0 isn't a beta, it's a full release.
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Re: What's AMD (Processors) up to? v2

Post by powerarmour » Mon Jul 15, 2019 5:50 pm



TL:DR the dual chiplet 3900X has better IPC than the 3700X, but it's not too big of a gimp overall.
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Re: What's AMD (Processors) up to? v2

Post by impar » Tue Jul 16, 2019 9:49 am

Greetings!
Explaining AMD Ryzen Precision Boost Overdrive (PBO), AutoOC, & Benchmarks
...
Also note that there are separate default PB limits for 105W and 65W TDP processors. When we installed a 3600 in our MSI Godlike, we got the 65W numbers; when we installed a 3900X, we got the 105W numbers. This means that the advantages PBO offers are subjective depending on the motherboard model, the processor model, the SPECIFIC processor, the cooling solution, the temperature of the room, and the alignment of the planets.
...
https://www.gamersnexus.net/guides/3491 ... ks-auto-oc
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Re: What's AMD (Processors) up to? v2

Post by thegrommit » Wed Jul 17, 2019 4:38 am

thegrommit wrote:
Mon Jul 08, 2019 7:08 pm
It's always good to wait a bit before making the leap onto new hardware:

https://www.pcgamer.com/bungie-is-inves ... -3000-pcs/
Several Destiny 2 players who upgraded to a Ryzen 3000 series CPU are reporting that the game will not load properly. It's not clear what is causing the hiccup, though the good news is that Bungie is aware of the problem and is looking into it.
https://www.kitguru.net/components/cpu/ ... yzen-cpus/
An issue with a specific instruction set caused some versions of Linux to become unable to boot with 3rd Gen Ryzen and Destiny 2 couldn’t launch at all. Bungie has confirmed that AMD has found the cause of the issue and has begun rolling out a BIOS update to fix the problem
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Re: What's AMD (Processors) up to? v2

Post by thegrommit » Fri Jul 19, 2019 10:20 pm

Eurogamer's gaming focused comparison of the R7 3700X vs R7 2700X and i7-9700K included a brief note on Handbrake:

https://www.eurogamer.net/articles/digi ... 00x-review
The icing on the cake here for AMD comes from power consumption, which we tested here during the HEVC encoding phase - a heavy, power-draining workload. Thanks to the transition to a 7nm process, Ryzen 7 3700X isn't just the most performant processor out of the bunch, it is also the most power efficient. Intel is clearly doing well for a 14nm processor, but once again, the improvement from 2700X to 3700X is quite astonishing.
A 27% improvement over a 2700X (for h.264) is impressive.
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Re: What's AMD (Processors) up to? v2

Post by thegrommit » Sat Jul 20, 2019 1:20 pm

I'd been considering a 3800X instead of a 3700X, but am glad I waited for a review :lol:

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Re: What's AMD (Processors) up to? v2

Post by powerarmour » Sat Jul 20, 2019 10:56 pm

Agreed, I don't understand the point of the 3800X as it's just not worth the extra cash over the 3700X. If it was a dual chiplet it could have given it an edge though, but otherwise it makes no sense.
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Re: What's AMD (Processors) up to? v2

Post by impar » Mon Jul 22, 2019 11:14 am

Greetings!
AMD Joins CXL Consortium: Playing in All The Interconnects
...
The CXL 1.0 technology uses the PCIe 5.0 physical infrastructure to enable a coherent low-latency interconnect protocol that allows to share CPU and non-CPU resources efficiently and without using complex memory management. The announcement indicates that AMD now supports all of the current and upcoming non-proprietary high-speed interconnect protocols, including CCIX, Gen-Z, and OpenCAPI.
...
https://www.anandtech.com/show/14660/am ... 50based-io
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Re: What's AMD (Processors) up to? v2

Post by thegrommit » Mon Jul 22, 2019 1:12 pm

powerarmour wrote:
Sat Jul 20, 2019 10:56 pm
Agreed, I don't understand the point of the 3800X as it's just not worth the extra cash over the 3700X. If it was a dual chiplet it could have given it an edge though, but otherwise it makes no sense.
I'm not sure a dual-chiplet would make economic sense. Any die that fails QC as an 8 core part, but works for 6 cores, can be sold as a 3600. They presumably have enough data on yields that suggests that's the best way to maximize revenue.
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Re: What's AMD (Processors) up to? v2

Post by powerarmour » Mon Jul 22, 2019 1:35 pm

thegrommit wrote:
Mon Jul 22, 2019 1:12 pm
I'm not sure a dual-chiplet would make economic sense. Any die that fails QC as an 8 core part, but works for 6 cores, can be sold as a 3600. They presumably have enough data on yields that suggests that's the best way to maximize revenue.
I understand that, but we assume that a Zen2 die can't fail twice and only have four working cores too. In that case it would be more economic to put the two fours together rather than junking them, and still have a higher performing SKU you could reasonably charge a premium over the 3700X for.
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