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[3DC] Radeon HD 7700 Series Specifications - Page 10

post #91 of 96
Quote:
Originally Posted by totallynotshooped View Post

Quote:
Originally Posted by Homeles View Post

Insisting that I'm right, even though I explicitly stated that I was guessing. It's amazing how rare something as simple as decent reading comprehension is these days.
You don't think that "first to market with Next-Gen top-to-bottom discrete lineup" could be interpreted as simply being top-to-bottom 28nm? Technically, they could even rebrand cards and claim that they're part of the next-gen lineup. They could simply be die-shrunken 6000 series parts. It's pretty vague. Nowhere in there does it explicitly state that next gen = GCN.
They technically could simply not have any cards lower than 77xx. There's been not a whisper of anything smaller than that. Now, having only 3 sets of GPUs is obviously not something that's going to happen, but they could just print out those three families of cards and claim that their lineup is complete.

This might help
408
It says that bulldozer will have an IGP as well. Interesting...

Implement the CPU/GPU sharing that those third-party engineers did and this could very well make up for BD's lack-luster FP performance.
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post #92 of 96
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post #93 of 96
Quote:
Originally Posted by totallynotshooped View Post

They will have HD7000's graphics, but not GCN.
Kaveri has GCN on all its products.
Quote:
Originally Posted by Homeles View Post

AMD's already got the 7670, 7570, 7470, 7450 and 7350 listed on their site as being OEM only, and they're all rebranded parts.
In other news, there's no way in hell this card has only 640 shaders. The die size is too large. Given that it's a roughly a third of the size of the 7970 which comes in at 352mm², guessing 640 shaders wouldn't be a terrible estimation, given that 2048 (the number that a 7970 has) divided by 3 (7770 is roughly 3 times smaller) = ~683. However, cutting down the ROPs to 16 instead of 32 would free up a ton of space.
OBR's claiming that it's 1280 for the 7770 and 1024 for the 7750. 1000MHz (or higher) is a given, as we've seen from the AMD marketing prank. I personally think the shader count is a bit high, but perhaps increased transistor density could make this a possibility. I'd think it'd be pretty ROP starved though.
I think 896 SPs would be a lot more reasonable, but Wednesday is only 3 days away. We'll find out soon enough.
Quote:
Originally Posted by Homeles View Post

Insisting that I'm right, even though I explicitly stated that I was guessing. It's amazing how rare something as simple as decent reading comprehension is these days.
You don't think that "first to market with Next-Gen top-to-bottom discrete lineup" could be interpreted as simply being top-to-bottom 28nm? Technically, they could even rebrand cards and claim that they're part of the next-gen lineup. They could simply be die-shrunken 6000 series parts. It's pretty vague. Nowhere in there does it explicitly state that next gen = GCN.
They technically could simply not have any cards lower than 77xx. There's been not a whisper of anything smaller than that. Now, having only 3 sets of GPUs is obviously not something that's going to happen, but they could just print out those three families of cards and claim that their lineup is complete.
Quote:
Originally Posted by Dmac73 View Post

GCN on 32nm node would be weird. Regardless, if it was GCN in Trinity, i'm almost certain they'd put it right there in the purple box with Trinity. That's a big deal.
Here's the thing though buddy, Trinity samples have LONG been out. There were working Trinity laptops on demo MONTHS before BullDozer was released. Sorry man, VLIW.
Quote:
Originally Posted by Usario View Post

Don't count on the Trinity part; the 7700 series is GCN whereas Trinity is VLIW5
Quote:
Originally Posted by totallynotshooped View Post

Kaveri has GCN, mmkay?
Quote:
Originally Posted by Homeles View Post

Trinity is VLIW4. There's already die shots of trinity floating around.

Can you guys explain this article that was posted yesterday confirming GCN architecture in desktop Trinity chips. Why are there so many recent sources that say that Trinity will have GCN GPU architecture in there desktop chips?

http://www.fudzilla.com/home/item/25919-amd-trinity-lineup-detailed
Quote:
Donanimhaber.com managed to score more details on AMD's upcoming A10-, A8-, A6- and A4- Trinity APUs that will be a part of the Virgo FM2 platform. The specs don't look to shabby and it appears that Trinity will certainly pack a punch with up to 4.2GHz Boost CPU clock, up to 800MHz GPU clock, up to 384 GCN stream processors and all at reasonable 100W TDP.

The full lineup starts with the flagship A10-5800K Black Edition quad-core APU that features HD 7660D graphics, has 4MB of L2 cache, and works at 3.8GHz base and 4.2GHz boost CPU clock. The GPU part of this APU, named HD 7660D features 384 GCN stream processors (or Radeon Cores 2.0, as AMD calls them now) and works at 800MHz. The A10-5800K is closely followed by non-Black Edition A10-5700 quad-core APU that features the same GPU but has slightly lower clocks for both CPU, 3.4GHz/4.0GHz, and GPU part, set at 760MHz. This one, on the other hand, also has a lower 65W TDP.

The A8- Trinity lineup also has two quad-core models, the A8-5600K and the A8-5500. As you can guess from model names, the A8-5600K is a Black Edition part, while A8-5500 will lack that sticker. Both models feature the same HD 7560D GPU clocked at 760MHz with 256 Radeon Cores 2.0. The A8-5600K is a 100W TDP part with 3.6GHz base and 3.9GHz boost CPU clocks while the A8-5500 will have to settle with 3.2GHz and 3.7GHz CPU clock.

The lonely A6-5400K and A4-5300 dual-core Trinity parts will both feature 1MB of L2 cache and the same 65W TDP. The A6-5400K Black Edition packs HD 7540D GPU part with 192 GCN stream processors while the A4-5300 will feature HD 7480D GPU with 128 GCN stream processors. Since dual-core Trinity APUs are scheduled for the Q3 2012, the precise clocks for both GPU and CPU are still unknown.

The A4-5300 is also the only part to support DDR3-1600 memory, while the rest of the lineup will be quite happy with up to DDR3-1866 memory.

Now all we need is to wait for the Q2 of this year in order to see those new Trinity parts in real-world action, but the specs are promising to say the least.

You can check out the Donanimhaber.com story here.


Last modified on Monday, 13 February 2012 20:39

There is also another thread that says Trinity will use Radeon Cores 2.0 which is stated to be GCN architecture. It would be nice to get some legitamite confirmation on this topic rather than just hearing what people think.

http://www.overclock.net/t/1214669/tpu-amd-trinity-apu-models-further-detailed/0_20

Why are there so many recent articles and sources saying that desktop trinity will use GCN architecture??? Can anyone provide any proof to this??? That would be greatly... It may also have somthing to do with some models of trinity having GCN and other that wont. It would be nice to get some real authentic confirmation of the GPU architecture that Trinity (desktop) will be using...
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post #94 of 96
I'm going to go ahead and bump this.

I took a look at a high res shot of Llano, and compared it to this shot of the 7970 die... it's entirely possible that GCN is in Trintiy. I don't have any good images of 6970 die shots (I've seen one, but it's pretty poor) to compare to Llano, but it doesn't really make sense that they'd be using VLIW4, which only appeared on 69xx. I think the usage of GCN would make a lot more sense, especially given that GCN will allow for a lot more exploitation of heterogeneous computing.

In other words, GCN has Video Codec Engine support, which is AMD's response to Intel's quick sync. If AMD can get software support for VCE, it could be a killer feature of Trinity.

7960gfx-backside.jpg

The units in Trinity are rearranged, but the more I think about it, the more I'm convinced that Trinity will be using GCN. As a matter of fact, I think these images irrefutably prove that Trinity will be using GCN. The similarities are incontrovertible. Flip some of the units around in there and rearrange them... and you've got Trinity's 32nm implementation of GCN. I'd play with photoshop to show what I mean, but I don't have the time at the moment.

58228576.png

So 384 (6 units x 64) GCN cores on a 32nm process. The 7750 has 512 cores on a (probably much more refined) 28nm process and is equivalent to a 5770. At the very least, we're looking at a pretty powerful GPU... perhaps HD 5670 level performance on the desktop Trinity parts. AMD's claiming up to a 50% increase, and I think that seems legitimate.
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post #95 of 96
i thought it was confirmed that trinity uses GCN, don't think this is the right thread to bump

le: it's actually Donanimhaber that rumored it, but i think it's true.
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post #96 of 96
Quote:
Originally Posted by creisti86 View Post

i thought it was confirmed that trinity uses GCN, don't think this is the right thread to bump

Read the thread. It went off topic, and the discussion shifted to Trinity. I was simply replying to the last post.
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