Processador AMD ZEN4 (Ryzen 7000 series)

[Nemesis11]

Alegadamente, specs do Threadripper Zen4.

https://wccftech.com/amd-ryzen-thre...ecs-leak-7995wx-flagship-96-cores-5-ghz-350w/

Não percebo a existência daquele SKU de 12 Cores, existindo um SKU com 16 Cores, praticamente com os mesmos Clocks.
Algo curioso é "só" suportar 8 canais de memória, ao contrário dos 12 do Epyc 9XXX e só o SKU com 96 Cores suportar 128 Lanes Pci-Ex, sendo que os restantes só suporta metade.
Todos os modelos com 350W TDP.
Lançamento dia 19 de Outubro.

 

[JPgod]

Mesmo o 16 cores parece useless...

 

[ímpar]

Aproveitamento de dies com erros e segmentação por preço.

 

[skandal]

Mesmo o 16 cores parece useless...

Se precisares só de PCI-E lanes faz sentido

 

[JPgod]

Aproveitamento de dies com erros e segmentação por preço.

Estes dies ja são aproveitados em 7500S, 7600(X) da vida e vários EPYCs. E se reparar tem 64MB L3 ou seja indica que são 2 dies completos (embora nada impede de existir 4 dies com metade da cache e dos cores desativado).

É que tipo serão mais lentos que 7950X.

O 12 cores que sim não faz sentido nenhum, o que estão poupando é ridículo pro preço total da plataforma.

É estranho a cache L3, porque sendo 2 dies de 6 cores, era para ter 64MB igual o 7900X. Não me lembro de ver ryzens com 24 de 32 (2/3) da L3 ativa, ou é full ou 50%

o mesmo pro CPU de 24 core, também indica a existencia de 4x dies com 6 cores e 24MB

Se precisares só de PCI-E lanes faz sentido

Que cenário precisas de 64 lanes e não precisa de cores?

Repara que uma plataforma X670 já tens 44 lanes sendo:
- 24 lanes do CPU
- 20 lanes pelo chipset

Diferenciador seria 128 lanes, mas só está disponível no top end SKU o que é bem estranho porque é algo que depende do IoD (ou vão usar um IoD menor ou fazer salvage de dies)

 

[Dark Kaeser]

AMD EPYC 8324P / 8324PN Siena 32-Core Siena Linux Server Performance​

Up for testing today is an initial look at the Siena performance in the form of the EPYC 8324P and EPYC 8324PN 32-core parts for seeing how they stack up against 32-core Intel Xeon Scalable "Sapphire Rapids" performance.

As a reminder about the EPYC 8004 series line-up, the Siena processors range from 8 to 64 core SKUs, Siena is designed to be only a single socket platform, and Zen 4C cores are employed for greater energy efficiency and maximizing CPU density. There is also only six memory channels with Siena compared to 12 channels with Bergamo / Genoa(X) as well as a reduction in the number of PCIe / CXL lanes.

The 32 core parts this generation are the EPYC 8324P and 8324PN, with the latter being their "PN" variant that is for Network Equipment Building System (NEBS) compliant deployments that can withstand a greater operating temperature range of -5 to 85 C compared to 0 to 75 C for the P parts. The EPYC 8324P has a 2.65GHz base frequency and 3.0GHz boost compared to the EPYC 8324PN having a 3.0GHz boost too but a 2.05GHz base frequency. The EPYC 8324P has a 180 Watt TDP while the EPYC 8324PN has a 130 Watt TDP. The EPYC 8324P has a configurable TDP from 155 to 225 Watts while the Siena PN parts do not have a configurable TDP.

The AMD EPYC 8324P/8324PN testing occurred with AMD's Cinnabar reference server for Siena. Testing occurred with 8 x 32GB DDR5-4800 memory and four 3.2TB Micron 7450 Max NVMe SSDs in RAID10 with EXT4 as the storage during the benchmarking. The Intel Xeon Gold 6421N was similarly configured in a single socket ASRockRack SPC741D8-2L2T/BCM server with four Micron 7450 Max NVMe SSDs. The Xeon testing took place both with six memory channels to match the Siena capabilities and then at eight memory channels for the full potential of the processor.

All of the benchmarking occurred with Ubuntu 23.10 to represent a leading-edge Linux environment with the Linux 6.5 kernel and GCC 13.2 compiler for having a fresh software stack for all of this EPYC and Xeon servr benchmarking. In total the following processor configurations were tested for this review:

EPYC 8324P: The AMD EPYC 8324P in its default configuration / power state (performance determinism) / default 180 Watt TDP.

EPYC 8324P - Power: The EPYC 8324P in its default configuration aside from switching over to the power determinism mode.

EPYC 8324P - 155W: The AMD EPYC 8324P when dropped to the lowest configurable TDP value of 155 Watts.

EPYC 8324PN: The NEBS 32-core model, the EPYC 8324P in its default configuration of 130 Watts.

EPYC 8324PN - Power: Running the EPYC 8324PN in the power determinism mode.

Xeon Gold 6421N: The Intel Xeon Gold 6421N Sapphire Rapids 32-core processor in its default configuration and all eight memory channels populated.

Xeon Gold 6421N - 6c RAM: Running the Intel Xeon Gold 6421N with just six of the eight memory channels populated to match the memory channels used by AMD EPYC Siena.

Overall it was quite interesting to see the EPYC 8324P/8324PN with thirty-two Zen 4C cores still competing -- and at times outperforming in raw performance -- the Xeon Gold 6421N Sapphire Rapids processor that costs more and was also less power efficient. Genoa(X) and Bergamo have already proved plenty capable of outperforming Sapphire Rapids but with EPYC Siena before for cost and energy efficiency minded products, it was impressive to see Siena delivering a trifecta of competitiveness against Intel's latest wares.

Even in power determinism mode the EPYC 8324P consumed significantly less power than the Xeon Gold 6421N competition... Across all of the benchmarks carried out the EPYC 8324P on average had a 89 Watt average with a 136 Watt peak, or in power determinism mode a 94 Watt average with a 168 Watt peak. Meanwhile the Xeon Gold 6421N had a 139 Watt average and 192 Watt peak.

https://www.phoronix.com/review/epyc-8324p-siena

 

[Walderstorn]

É completamente inacreditável.

 

[skandal]

Que cenário precisas de 64 lanes e não precisa de cores?

ML training. Só precisas de copiar a info para o GPU.

 

[JPgod]

ML training. Só precisas de copiar a info para o GPU.

Pois, e imagino que precisa de BW, certo? Ainda que 64 lanes ainda podes enfiar 7 GPUs @ 8x 4.0 /5.0 e sobra 8 lanes para o resto do I/O.


Ainda assim os 12 cores não justifica muito, mas enfim... eles lá sabem.

 

[skandal]

Pois, e imagino que precisa de BW, certo? Ainda que 64 lanes ainda podes enfiar 7 GPUs @ 8x 4.0 /5.0 e sobra 8 lanes para o resto do I/O.

Diria que para ML convém mesmo correr x16, mas só sou eu a tentar adivinhar. Vou montar umas maquinas para ML no trabalho... mas ainda não sei quando e posso comunicar a experiência depois de o fazer

 

[JPgod]

Pois mas ai ficas limitado à 3 gpus, se bem que mais que que isso numa só maquina, só com watercooling single slot.

não era como o mining que o volume de dados trocado entre o GPU e o PC é tão pouco que os gpus funcionavam em pcie 1x 2.0...

Claro que a versão de topo tem 128 lanes moar! são 6 placas full BW e sobrando 32 lanes pros SSDs, 10 gigabit lans, etc.

 

[skandal]

Tens muitas placas single slot no segmento profissional, só a partir de uns 200w de TDP é que passam a dual.

 

[Madril]

Mesmo o 16 cores parece useless...

ECC

 

[Dark Kaeser]

Estava a ver o site da Gigabyte e não vejo anúncio nenhum, mas no site canadiano já aparece

https://www.gigabyte.com/ca/Motherboard/TRX50-AERO-D#kf

 

[JPgod]

@Nemesis11 e continuam colocando um chipset numa plataforma que nem precisa deles

 

[Dark Kaeser]

TR e TR Pro oficialmente anunciados, se bem que a AMD na apresentação apenas anunciou os preços do TR e não do TR Pro

AMD Unveils Ryzen Threadripper 7000 Family: 96 Core Zen 4 for Workstations and HEDT​

The key differential between the Threadripper 7000 Pro and the non-pro Threadripper 7000 comes in the form of I/O and memory limitations. While TR 7000 goes up to 64C/128T through the 7980X, the processor supports just four channels of memory and 80 PCIe lanes from the CPU, with 48 conforming to the latest PCIe 5.0 standard. The other apparent reason for the specific segmentation is that AMD creates a clear-cut difference between the more professionally geared Pro WX chips and the regular Threadripper 7000 SKUs, a segue into the HEDT market.

AMD WRX90 and TRX50 Platforms: Difference Between Workstations and HEDT​

To complement the launch of the Ryzen Threadripper 7000 Pro WX and 7000 series are a pair of new but distinguishable motherboard platforms. This includes the WRX90 platform, designed for workstations, and the TRX50 platform, designed to offer designs more in line with HEDT capabilities and costs.

As noted earlier, both platforms use the same sTR5 socket, which uses 4844 pins. For those keeping track, this is the same number of pins as SP6, the socket AMD introduced for their lower-priced EPYC 8004 (Siena) processors. And as the Threadripper 7000 lineup is an EPYC derivative, the TRX50 and WRX90 motherboards are unsurprisingly using a derived socket. Though it goes without saying that sTR5 and SP6 are not pin compatible – though we understand that older socket sTRX4 Threadripper coolers will still fit on the 58.5mm x 75.4mm socket.

Dissecting the key differences between the two platforms, WRX90 is solely designed for the Threadripper Pro chips. The WRX90 platform, combined with the Pro chips, can utilize up to 128 PCIe 5.0 lanes, allowing users to take full advantage of the AMD Pro series features. That leaves TRX50 as the "budget" platform design. With fewer memory channels, boards should be cheaper to build. And similarly, motherboard vendors will have an easier time assembling boards with just 48 PCIe 5.0 lanes (and the remainder being PCIe 4.0), as PCIe Gen5 is more complex to implement and, on longer tracks between slots and devices, require re-drivers, which can add to the cost.

Interestingly, Threadripper 7000 Pro chips can also be used in TRX50 motherboards. But of course, they will be subjected to the same memory channel and I/O limitations.

https://www.anandtech.com/show/2109...r-7000-family-zen-4-for-workstations-and-hedt

https://twitter.com/i/web/status/1714992684773871746

Tendo em conta que as boards TRX50 podem suportar os TR Pro, ficando sujeitos às limitações de Ram e PCI, dependerá de quanto se poupa de um lado e se é preciso do outro.

 

[Nemesis11]

@Nemesis11 e continuam colocando um chipset numa plataforma que nem precisa deles

Aquele Chipset não deve ligar a nenhum Slot Pci-Ex, nem a nada com IO elevado (SSDs, etc), logo, coloca-se a questão de qual é a diferença daquele chipset e chips "Super IO"?
A diferença que vejo é que em vez de alimentarem portas PS/2, IrDA, MIDI, Floppy, etc, alimenta umas quantas portas USB, SATA e mais coisas secundárias. Basicamente, tem a mesma função, só muda o tipo de IO "low bandwidth".


Uma review do Dell Precision 7875, com o 7995WX. Também comparam com um Epyc 9684X, que é um Genoa-X de 96 Cores e 1,1 GB de L3 e um W9-3495X.

https://www.storagereview.com/review/dell-precision-7875-workstation-review

Interessante a Dell ser um dos parceiros no lançamento deste novo Threadripper.

 

[Dark Kaeser]

https://twitter.com/i/web/status/1717534089454956877

https://twitter.com/i/web/status/1717797014107254920

 

[ímpar]

AMD Ryzen APUs For Laptops Could Benefit From Chiplet Design Once Cost & Power Comes Down

https://wccftech.com/amd-ryzen-apus...om-chiplet-design-once-cost-power-comes-down/

AMD Believes That CPU Temperatures Will Continue To Increase With Future Higher Density Ryzen Chips

https://wccftech.com/amd-believes-c...o-increase-future-higher-density-ryzen-chips/

 

[Nemesis11]

https://twitter.com/i/web/status/1717797014107254920

Lol. Está tudo doido. Fans de 40?
E a WRX90 parece ter 5.