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[Various] AMD Trinity APU Review Roundup - Page 10

post #91 of 361
Quote:
Originally Posted by 2010rig View Post

You can't always make up for low IPC, by always increasing the clocks. Sure this gen you got away with it, but what about next gen and the one after that?

They did increase IPC, and they surely will do so in the future, too, so I'm not really sure what you're implying.
post #92 of 361
Just for the record Trinity quite clearly has the better iGPU when compared with Intel's offerings.

Overall though I think the release of HD4k and Trinity shows that the Intel juggernaut is quickly catching up and may soon pass AMD in this one metric they have been able to win over the last couple years. Llanno dominated HD3k in basically everything and Trinity still is the clear winner but HD4k has made up a huge amount of ground.
    
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post #93 of 361
Wow.

I wasn't suggesting that you can relate Trinity to a P4. I was (flippantly) suggesting that the philosophy of sacrificing IPC for clock speed was exactly what Intel did with the P4 architechture, and they got their butt handed to them when AMD released the Athlon. When they canned the idea, and increased IPC & efficiency with the Core architechture, the way forward presented itself and we haven't looked back....until now.

Don't get me wrong, all things equal, I'm buying Trinity. I think Trinity is a decent tick improvement over Bulldozer, and it's very nice to see Bulldozer on a mobile platform. Can't help but think that things could be better in future if AMD do as Intel did 8-10 years ago and focus on efficiency of their platform rather than clock speed. This is the here-and-now though, and Trinity is the perfect compromise for me (cheap, good GPU, good enough CPU)
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post #94 of 361
Quote:
Originally Posted by crust_cheese View Post

They did increase IPC, and they surely will do so in the future, too, so I'm not really sure what you're implying.
I was talking about his example, and how he got his 4100 to 4.8.

Trinity is clocked 800 MHZ higher than Llano. Do the math.

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post #95 of 361
Quote:
Originally Posted by jtom320 View Post

Just for the record Trinity quite clearly has the better iGPU when compared with Intel's offerings.
Overall though I think the release of HD4k and Trinity shows that the Intel juggernaut is quickly catching up and may soon pass AMD in this one metric they have been able to win over the last couple years. Llanno dominated HD3k in basically everything and Trinity still is the clear winner but HD4k has made up a huge amount of ground.

Haswell will only narrow that gap -- it's going to have 2.5x as many cores as Ivy Bridge. I have a feeling Kaveri will have double the cores of Trinity, and they should be GCN cores as well, so AMD should definitely be competitive still. Who knows what will launch first though.
Quote:
Originally Posted by 2010rig View Post

I was talking about his example, and how he got his 4100 to 4.8.
Trinity is clocked 800 MHZ higher than Llano. Do the math.

Bulldozer architectures are weak in FPU performance... shouldn't surprise anyone.
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post #96 of 361
Quote:
Originally Posted by 2010rig View Post

I was talking about his example, and how he got his 4100 to 4.8.
Trinity is clocked 800 MHZ higher than Llano. Do the math.

Turbo(even if it's single threaded it isn't always at max turbo speeds) screws up any way of accurately judging on Trinity Vs Llano IPC
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post #97 of 361
I'm happy with the results, they managed to surpass or equal llano, remember llano has 6% better ipc then a phenom 2. The thing that i find weird is that it almost matches the i5 sandy in encoding on the first pass (single core operation) but falls behind in cinebench :shrug: must have to due with the fpus?
post #98 of 361
I'll be honest, I expected the GPU portion to do a lot better then it did. It's definately better but not as much as I thought it would be. I am curious why they didn't release at least one 45 watt version where they could crank up the clocks a bit. Ah well, also wonder if down the road the they release xm versions again with better performance and clocks.
post #99 of 361
Quote:
Originally Posted by Homeles View Post

Haswell will only narrow that gap -- it's going to have 2.5x as many cores as Ivy Bridge. I have a feeling Kaveri will have double the cores of Trinity, and they should be GCN cores as well, so AMD should definitely be competitive still. Who knows what will launch first though.
Bulldozer architectures are weak in FPU performance... shouldn't surprise anyone.

AMD Kaveri has 512 GCN cores like HD 7750. This information was revealed in their presentation at AMD Financial analyst day in Feb. AMD needs to improve bandwidth to really improve performance significantly.If AMD can get a stacked DRAM solution like Intel Haswell has been rumored to do they would have resolved the bandwidth issue. Also they need a faster CPU (much better IPC) in Steamroller with speeds close to 2.7 - 2.8 Ghz so that they are not bottlenecked by CPU performance in games.
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post #100 of 361
Quote:
Originally Posted by Kasp1js View Post

Turbo(even if it's single threaded it isn't always at max turbo speeds) screws up any way of accurately judging on Trinity Vs Llano IPC

This. We have no idea of the the clock speed at any given time with the information provided, and that's one of the most important things in working out IPC.
    
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