ATI R870核心曝光及架构前瞻

ylziihi

最近。很多国内顶尖玩家都在讨论AMD下一代GPU产品的性能及架构问题对此testweak编辑团队就专门就此事，专门找到为AMD图形核心进行代工的台积电的一名相关人士，经过一系列的油嘴滑舌之后。我总结了一下：

如果按照现在AMD的计划，下一代超微ATI图形核心的代号为R870，采用40nm工艺，核心面积为205 mm²比现在的Nvidia及ATI最顶尖的图形核心还要小，基本上缩小了四分之一，支持Direct 11。浮点性能将在4870X2的基础上还增加约一半，基本上算得上是一款成功的GPU产品。
在架构上R800系列产品将全部采用SIMD技术，采用1个主GPU和4个协GPU组成。在公版PCB上会使用统一的设计方案，只是在供电上有不同的要求，ATI 5870会使用双5V供电。

SIMD就是指Single Instruction Multiple Data， 它用一个控制器来控制多个处理器，同时对一组数据（又称“数据向量”）中的每一个分别执行相同的操作来实现空间上的并行性——在微处理器中实现的SIMD则是一个控制器控制多个平行的处理微元，例如Intel的MMX或SSE，以及AMD的3D Now!技术。

HD 5450 -> 640 SP + 16 TMUs (1 master chip)
HD 5650 -> 1280 SP + 32 TMUs (1 master chip + 1 slave)
HD 5670 -> 1920 SP + 48 TMUs (1 master chip + 2 slaves)
HD 5850 -> 2560 SP + 64 TMUs (1 master chip + 3 slaves)
HD 5870 -> 3200 SP + 80 TMUs (1 master chip + 4 slaves)

第一上市的产品包括4款，从高到低分别是5870/5670/5650/5450 ，显存可能会采用支持XDR和Rambus相关技术，将为FlexIO提供76.8G/S频宽

myrocy

3200sp吓人用的吗

slice

哇，1+4，五打一，太夸张了~~~~
完全就是拼工艺堆暴力嘛

elisha

神仙啊，都还没Taped Out，就有核心面积了啊？

Asuka

台积电。。。。

这个鸟编辑骗谁呢

nukualofa

呵呵，當笑話看過就好

504vskid

不过貌似IBM和台积电做得是32NM的吧？？？

求教

heleneme

跑过来看热闹，真的很热闹啊

robinwar

双5V供电 那现在电源还不全玩完

tangoe

明显假的
看YY贴吧

ATI 5870x4实图，简直难以置信
ATI hd5870x4
ATI
"Actually, it doesn't sound optimistic enough to me. If the die size of 205mm² is true, ATI could sell these things for really cheap. The Radeon HD 4830, with its 256mm² die size and 256-bit memory interface, is already selling for less than $130 USD. I'm thinking something more like this:

Radeon HD 5870 X4 (Dual MCM, 800MHz Core, 2GB 1200MHz GDDR5) - $649
Radeon HD 5870 X2 (MCM, 800MHz Core, 1GB 1200MHz GDDR5) - $349
Radeon HD 5870 (800MHz Core, 512MB 1200MHz GDDR5) - $199
Radeon HD 5850 (600-650MHz Core, 512MB 1100MHz GDDR3) - $129"

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"Today appeared new information about the RV870 chip . Associate reports that this 40 nm chip models will appear at the end of present year, and to the end of first quarter 2009 it will reach the series production .

The quantity of stream processors on RV870 chip can grow up to 1000 pieces. Their resulting computational performance can reach 1,5 teraflops.

The memory capacity on RV870 video card can reach 150-160 Gbit/s. If we considers that Radeon HD 4870 with 256- bit bus and 3600 MHz DDR memory frequency ensures a capacity at the level of 115,2 Gbit/s, RV870 can raise the memory frequency to 4800 MHz DDR with constant memory bus. Qimonda company already released GDDR5 microcircuits working at frequencies up to 5000 MHz DDR .

The RV870 core area will decrease from 256 sq. mm, in RV770, to 205 sq. mm. This will allow to create the two-chip graphical solutions easily."

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integrated memory controller
960 or 1000 shaders
~850 core clocks
~4800GHz ram clocks(can easily overclock to low 5GHz)
1-4GB ram configurations depending on how many GPUs
256 bit ram, 512 bit ram possible with revisions.
dx10.1 now with dx11 for refresh revision

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If you hear of more rumors, post here! This is exciting for those gaming at 1920x1080 or higher resolution and have the best overclocked core duo cpus. I wonder when they will have giant LCD monitors above 2560x1600? Otherwise the hd5870x4 is gonna be overkill!


Info:
HD 5450 -> 640 SP + 16 TMUs (1 master chip)
HD 5650 -> 1280 SP + 32 TMUs (1 master chip + 1 slave)
HD 5670 -> 1920 SP + 48 TMUs (1 master chip + 2 slaves)
HD 5850 -> 2560 SP + 64 TMUs (1 master chip + 3 slaves)
HD 5870 -> 3200 SP + 80 TMUs (1 master chip + 4 slaves)

来力

真假……

GZeasy.cn

居然还有人信

504vskid

太夸张了
越来越乱了

lylbz

4月1日还米到呢~！

wwyy840731

有了这么强悍的技术，a也不会拿出来卖的。。。现在还没有这么强悍的引擎需要这么高的配置。。。

另外从800sp到5000+sp。。。。这个步数太快了，JS会放弃利润空间么？？？

504vskid

我到觉得 奇梦达倒了 连显存都是问题了