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http://www.anandtech.com/show/11250/microsofts-project-scorpio-more-hardware-details-revealedOn CPU cores
AMD technically has several cores potentially available for Scorpio: Excavator (Bulldozer-based, as seen on 28nm), Jaguar-based (also from 28nm) or Zen based (seen on 14nm GF). While the latter is a design that has returned AMD to the high-end of x86 performance computing, offering high performance for reasonable power, a Zen design would be relatively quick turnaround from a consumer launch a month ago. Because of the time frame, even if Microsoft could go for Zen in the Scorpio, this would increase the base cost of the console by redesigning the cores on 16nm TSMC.
In the Digital Foundary piece, Microsoft stated that the CPU portion of Scorpio has a 31% performance gain over the Xbox. This isn't IPC, this is just raw performance. Moving from Jaguar to Zen would be more than 60%, and actually the frequency difference between the 2.3 GHz in Scorpio and 1.75 GHz in Xbox One is exactly 31%. So we are dealing with a Jaguar-style core (although perhaps modified).
That being said, this is a ‘custom’ x86 core. Microsoft could have requested specific IP blocks and features not present in the original Jaguar CPUs but present in things such as Zen, such as power management techniques. Typically a console shares DRAM between the CPU and GPU, so it might be something as simple as the CPU memory controller supporting GDDR5. So instead of seeing Zen coming to consoles, we’re seeing another crack at using Jaguar (or Jaguar+) but revised for a smaller process node to keep overall costs down – and given that the main focus on a console is the GPU, that’s entirely possible.
GPU
Now there is a bit of nuance here, as AMD’s GPU architecture is offered piecemeal: the shader cores, the memory controllers, the display controllers, etc are all separate blocks that can be mixed and matches. This is how the PS4 Pro uses just parts of Vega. So it’s entirely possible that there are other bits and pieces in Scorpio that are newer than Polaris, however the all-important shader cores and ROP backends clearly point to Polaris.
Diving into the specs a bit deeper, we do have the clockspeeds and configurations for both the GPU and the memory. Scorpio’s GPU is a 40 CU (2,560 SP) wide design – a bit wider than the Radeon RX 480 – which is a rather extensive upgrade over the original Xbox One. Ignoring clockspeeds for the moment (more in a sec), just the CU count itself is 3.33 times the 12 CUs in the original XB1. Similarly, Microsoft has doubled the number of ROP backends from 16 to 32. The ROP change is badly needed in order for Microsoft to reach their 4K goal, and it has been a pretty universal suspicion that the original XB1’s 16 ROPs were a big part of the reason that major multiplatform games tend to go with 900p instead of a native 1080p.
Meanwhile on the clockspeed front, the new GPU is clocked at 1172MHz, giving Microsoft 6 TFLOPS right on the dot. This is a 37% clockspeed increase over the original XB1, and a 28% increase over the XB1S, which received a slight clockspeed bump of its own. These clockspeeds are well within the range of what the Polaris architecture can offer, and while not as conservative as Sony’s design choices, should still be reasonably power efficient, though I’m very much interested in seeing what total power consumption is like.
More importantly, combined with the much wider GPU, the impact to the various throughput metrics is staggering. Shader/texture throughput will be 4.58x the original XB1, and ROP throughput will be 2.75x. Microsoft had a very large gap to close from the original Xbox One if they wanted to do 4K, and they have certainly put together a design that is equally large to help close that gap. However with that said, with performance that, on paper, is slightly ahead of a Radeon RX 480, I expect we’re still going to see some compromises here to consistently hit Microsoft’s 4K goal. 6 TFLOPS often isn’t enough for native 4K at current image quality levels, which means developers will have to resort to some clever optimizations or image scaling.
Memory subsystem
What makes things especially interesting though is that Microsoft didn’t just switch out DDR3 for GDDR5, but they’re using a wider memory bus as well; expanding it by 50% to 384-bits wide. Not only does this even further expand the console’s memory bandwidth – now to a total of 326GB/sec, or 4.8x the XB1’s DDR3 – but it means we have an odd mismatch between the ROP backends and the memory bus. Briefly, the ROP backends and memory bus are typically balanced 1-to-1 in a GPU, so a single memory controller will feed 1 or two ROP partitions. However in this case, we have a 384-bit bus feeding 32 ROPs, which is not a compatible mapping.
What this means is that at some level, Microsoft is running an additional memory crossbar in the SoC, which would be very similar to what AMD did back in 2012 with the Radeon HD 7970. Because the console SoC needs to split its memory bandwidth between the CPU and the GPU, things aren’t as cut and dry here as they are with discrete GPUs. But, at a high level, what we saw from the 7970 is that the extra bandwidth + crossbar setup did not offer much of a benefit over a straight-connected, lower bandwidth configuration. Accordingly, AMD has never done it again in their dGPUs. So I think it will be very interesting to see if developers can consistently consume more than 218GB/sec or so of bandwidth using the GPU.
Дерп говорит, что теперь не будет новых приставок, только апгрейды каждые три года.Я в края запутался с этим Скорпионом.
С Про ситуация понятная, немного проапгрейженая версия, гоняет игры шустрей. До выхода пс5 то, что надо.
Что такое Скорпион? Он же в разы мощней хуана. Это совершенно другая приставка. Это некст ген? Это каррент ген? Игры для неё будут особые?
И самый главный вопрос : А какой у приставки жизненный цикл? Три года?
Сами Майки не позиционируют его как некстген, а именно как апгрейд. Премиум версия, если хочешь. Игры все те же самые, но есть хитрость. Игры от придворных разрабов обязаны будут работать и там и там, но вот сторонние вправе делать что хотят. Понятно, что никто в здравом уме сейчас залочивать игры только на Скорпио не будет, т.к. обычных приставок достаточно много, но теоретически, при следующем цикле возможны истории.Я в края запутался с этим Скорпионом.
С Про ситуация понятная, немного проапгрейженая версия, гоняет игры шустрей. До выхода пс5 то, что надо.
Что такое Скорпион? Он же в разы мощней хуана. Это совершенно другая приставка. Это некст ген? Это каррент ген? Игры для неё будут особые?
И самый главный вопрос : А какой у приставки жизненный цикл? Три года?
Цена?Ну циклы это от нас зависит, будем брать - будут циклы. Продажи прохи вроде как невыдающиеся, а у Скорпиона ещё и цена жалится.
Но это всё ничего, ждём Е3 и анонсов от МС. Если они не выкатят эксклюзивных бомб, то весь проект "скорпион" ждёт мрачноватое будующее.
http://www.eurogamer.net/articles/d...-motorsport-on-project-scorpio-the-full-story"The crazy story here is that we've gone over our PC ultra settings and for everything that's GPU-related, we've been able to max it - and that's what we're running at, 88 per cent," says Tector, pointing to the utilisation data at the top of the screen. Right beneath it is the anti-aliasing setting - 4x, or rather 8:4x using the Radeon EQAA hardware AA.
"This is rendering the player LOD for every car, so you won't see a single LOD pop. [It's the] top-level model you'd see in race, one below what you see in Autovista, the model you usually only see for the player. And then we balance out LODs across the scene. It's a disgusting abuse of GPU power is what it is, right?"
А должно как? Как футуристический VHS плеер?Выглядит как VHS-плеер![]()
Это к ремарке о стильности, хотя может у каких-нибудь хипстеров всё так и есть.А должно как? Как футуристический VHS плеер?
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Я это к тому, что девкит это ещё не потребительская консоль и может выглядеть вообще как полный краказябр. Цель не красоваться на полочке.Это к ремарке о стильности, хотя может у каких-нибудь хипстеров всё так и есть.
Ну фффффз, С-ка вполне стайлиш как по мнеХуящик он и в Африке хуящик, майки не умеют в дизайн.![]()