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Tópico: AMD Ryzen

  1. #1
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    AMD Ryzen

    AMD Ryzen Benchmarks Leaked - tech
    (hx) 11:56 PM EST - Dec,24 2016 - Post a comment
    Benchmarks and a review of AMD's Ryzen 8 core CPU have leaked ahead of the official release date, thanks to the French magazine CPC (Canard PC). These benchmarks pit the Ryzen processor (which is an engineering sample) against several of Intel's own CPU's and also against the previous FX series.



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    Upcoming AMD Ryzen chips scaring Intel?

    Upcoming AMD Ryzen chips scaring Intel? - tech
    (hx) 04:53 PM EST - Feb,08 2017 - Post a comment
    According to Forbes' Anthony Leather, Intel is prepping not only price cuts but a hyperthreaded i5 as a response to the soon to be released AMD Ryzen chip family. Could Intel's dominance in the desktop gaming scene soon be over?
    The rumor mill continues to turn regarding AMD's Ryzen CPUs, which are due for release next month. This time, though, it's Intel that's the subject of some interesting news as it seems to be getting a little scared of what AMD has up its sleeve.

    The French website, www.cpchardware.com has made claims that its sources are pointing to three very interesting moves from Intel, to combat the threat AMD's Ryzen poses in potentially undercutting its enthusiast CPUs.

    The first and most interesting is a Core i5-7640K, which will not only offer a 200MHz boost in frequency compared to the current Core i5-7600K, but amazingly, the website also claims it will feature hyper-threading. This is Intel's trickery that allows one core to provide two threads to mimic the work of two cores. You don't see the same performance increase as you do from a true second physical core, but there's a definite speed boost in multi-threaded applications.

    Traditionally, Intel has only offered hyper-threading on its Core i7 K-series when it comes to unlocked quad-core desktop CPUs, so the move is unprecedented in bringing extra performance to its Core i5-series. It's clearly worried about AMD's offerings in the Core i5-7600K's price range of around $240, with the AMD SR5 CPUs looking likely to offer a minimum of 4 cores and 8 threads - the same as the would-be Core i5-7640K, with some even offering 6 cores and 12 threads according to this leak, and its cheaper SR3 range offering the same 4-core/8-thread configuration as the current Core i5-7600K.

    The second rumor includes a second unlocked Core i7 CPU to sit alongside the current Core i7-7700K - a so-called Core i7-7740K, which will offer a speed increase over the original CPU. However, this will till fall short of offering the kind of allure of AMD's 6-core/12-thread SR5 CPUs, especially if the latter cost the same or a little more; don't forget that AMD's Ryzen CPUs all offer unlocked multipliers so are overclockable.

    Finally, the website also briefly covers price drops for Intel's CPUs. This is the most logical result of a successful launch from AMD that brings some competition to the enthusiast CPUmarket. Intel has practically been allowed to charge what it likes for its CPUs as there hasn't been much of a challenge from AMD, especially at the high-end. The likelihood is that CPUs such as the Core i5-7600K, which costs $240, could well see double-digit percentage price cuts, with this particular model dropping to below $200.

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  3. #3
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    AMD Ryzen 3DMark Fire Strike physics benchmarks - tech
    (hx) 04:30 PM EST - Feb,15 2017 - Post a comment / read (1)

    Videocardz revealed the first 3D Mark Fire Strike benchmark for AMD's Ryzen CPUs. While I don't know the actual models, we do know that the AMD Ryzen: ZD3406BAM88F4_38/34_Y is an eight-core CPU, the AMD Ryzen: ZD3301BBM6IF4_37/33_Y is a six-core CPU, and the AMD Ryzen: ZD3201BBM4KF4_34/32_Y is a quad-core CPU. According to the leaked 3D Mark Fire Strike benchmark, AMD’s Ryzen eight-core CPU – overclocked at 4Ghz – is almost as fast as Intel’s ten-core i7 6950X CPU; a CPU that costs $1700. With its stock clocks, AMD’s Ryzen eight-core CPU is almost as fast as Intel’s i7 6900K; a CPU that costs $1199


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  4. #4
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    AMD Ryzen Gaming Benchmarks Roundup - tech
    (hx) 09:19 AM EST - Mar,06 2017 - Post a comment / read (1)
    Ryzen is finally here and AMD is finally back at the high-end desktop. The new Ryzen 7 series have earned wide-spread acclaim for their incredible multi-threaded performance per dollar value. But, what if you’re a gamer and gaming performance is all you care about. Here is where things get less clear cut and it seems it all comes down to game optimization, or rather the lack of it.

    Testing data suggests that AMD's Ryzen 7 8-core parts actually perform better in a number games with simultaneous multi-threading disabled. A finding that’s reminiscent of past Windows scheduling issues that may need a patch to be resolved. Or, you can take matters into your own hands and manually disable SMT on a case by case basis. Either way, we’ve compiled as many gaming benchmarks as we could possibly find for you to feast your eyes on.


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  5. #5
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    Jogos perdem desempenho com o SMT habilitado...

    SMT é o Hyper Threading da AMD para quem não está familiarizado.

    A Intel teve o mesmo problema quando lançou o HT, é só questão de otimizarem os softwares.

    Quanto ao desempenho single core, sim o 7700K é superior, porém vale lembrar que esses Ryzen 7 não são pra competir com a plataforma mainstream mas sim com a plataforma X99. Até agora os Ryzen cumpriram tudo que foi dito pela AMD que fariam, só se decepcionou quem entrou na onda de Hype e ficou imaginando mil e uma maravilhas que não foram ditas pela AMD mas sim por sites que sobrevivem de "leaks".

    A única critica que eu posso fazer é referente a memórias, parece que o processador tem dificuldades em trabalhar com memórias Dual Rank (aquelas que tem chips dos dois lados do "pente"), aparentemente nos Ryzen a frequência de memória influência bastante no desempenho, então isso pode gerar um problema para quem tem memórias Dual Rank.... Será que voltaremos a época onde a procura por memória Single Rank será maior por conta disso?

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  6. #6
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    Tem que lembrar também que tão comparando os Ryzen de 2k com os Intel de 8k reais né.

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  7. #7
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    Citação Mensagem Original de Nano Ver Mensagem
    Esta resposta está oculta porque você está ignorando este membro. Exibir Citação
    Tem que lembrar também que tão comparando os Ryzen de 2k com os Intel de 8k reais né.
    Mas o Ryzen de 2mil ganha dos Intel de 8mil

    Ryzen é concorrente da plataforma High End que é X99, o foco lá é workstation, edição e processamento, jogos é segundo plano.

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  8. #8
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    Não somente o SMT está dando problemas com os jogos, mas o scheduler do windows 10 no geral.
    Ryzen é um chip único, octa core, formado por 2 blocos quad core com cache L3 dividida. Ao que parece o Windows gerencia mal os threads, fazendo com que muitas vezes um thread precise buscar informações no outro CCX. Por causa da cache separada, a latência aumenta muito e há queda de performances.

    Vi testes do processador com 1 CCX desabilitado (4/8th) e os ganhos nos jogos são impressionantes. O IPC é praticamente o mesmo do 7700k.

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  9. #9
    Avatar de Nano
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    Processador novo é isso aí mesmo, pouco suporte porque não deu tempo de ninguém lançar patches.

    Eu tô tendendo bem a migrar pro Ryzen 1700...

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  10. #10
    Recursos Humanos de Belo Horizonte Avatar de RHBH
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    Citação Mensagem Original de Nano Ver Mensagem
    Esta resposta está oculta porque você está ignorando este membro. Exibir Citação
    Processador novo é isso aí mesmo, pouco suporte porque não deu tempo de ninguém lançar patches.

    Eu tô tendendo bem a migrar pro Ryzen 1700...
    Seu foco é jogos? Se sim, eu aguardaria os Ryzen 5 que são os quad core, esses sim serão melhor CxB em jogos, pode ver nos benchmarks que mais de 4 cores não traz ganhos significativos, na verdade pode ver que os quad core sempre dão mais FPS que os processadores com mais núcleos.

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