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[Official] AMD Bulldozer Reviews Thread - Page 102

post #1011 of 2308
Quote:
Originally Posted by hokiealumnus View Post
**NOTE** The Flare kit wasn't used for the sub-zero runs! They were used for the ambient part of the review (stock @ 1866 / 6-9-7-24, overclocked @ 2000 / 7-9-7-24). Since I had heard FX had such a strong IMC I popped in an older pair of Pis rated for DDR3-2400 / 9-11-9-24 for going sub-zero. IIRC they were the strong PSC chips from before pretty much everyone stopped producing strong memory (at least that's affordable).
thanks! i guess i can check what my memory can do without blck wall now.. it looks like it has a better imc than my 980x also

i was surprised that the flare could do so high clocks lol.
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post #1012 of 2308
Quote:
Originally Posted by obsidian86 View Post
how quick are we to forget

http://en.wikipedia.org/wiki/AMD_v._Intel

intel caused amd's downfall and now you expect them to totally rebuild in 2 years what a decade of damage has caused

amd is the little guy amd's yearly budget wont even run intel for a month
yes i understand that it cant really happen, but in our community more or less the enthusiast community, those going for multiple gpus, max overclocks ect, amd has just failed and all but given intel this portion of the market on a platter.
    
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post #1013 of 2308
Quote:
Originally Posted by de Cossatot View Post
I can totally agree with this statement.

When I first tried to build my computer I did not do a pot of research and went to microcenter and saw the intel chip (I forgot which one it was) clocked at 2.8Ghz (I think) and then a AMD clocked at 3.2Ghz and I bought the amd one due to the higher clocks. Turned out it was a C2 955. The intel was more but I didn't know why. Figured it was like Horse power I guess.

I guess to the uniformed bigger numbers do mean better. Haha
This is so very, very true. I work at a shop that repairs and sells computers. Most people who don't know anything about computers will just buy whichever one has the most "gigabytes" for their dollar. It doesn't matter if those gigabytes are ram, storage, or gigahertz, in the consumer's mind they might as well be the same thing.

There are always a few out there who take the time to understand what it means but they are the exception and not the rule.
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post #1014 of 2308
Quote:
Originally Posted by hajile View Post
I think that the numbers are great when considering the massive size of the chip.
Yeah, but not when you consider the lack of performance that comes from such a massive size and power draw...
post #1015 of 2308
I feel for all those waiting to fix their cpu bottlenecks.... wth AMD?
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post #1016 of 2308
Anybody else notice that the reviews that didn't use the Crosshair V seem to have much better results from BD?
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post #1017 of 2308
Quote:
Originally Posted by BlackOmega View Post
Who said anything about an upgrade? My rig is perfectly fine, does everything I want it to, and is enough for gaming. Albeit with some GPU refreshing when the next gen's come out.

Although, I may just get BD to mess around with.



Hows about Handbrake and Videora and the x264 benchmark? (Note: the first run of the x264 BM is just scanning and the second pass is actual encoding)
Is that not enough? Hows about Battlefield 3?

Well there's 4.

Look I'm not saying the BD is superduperawesomewow! However, it's not as bad as people claim it to be. There's still a lot of wrinkles that need to be ironed out. The most notable one is the OS scheduler. Since it's not optimized for BD yet, it'll randomly assign tasks to whatever core in a very inefficient manner.
Did you even check the HardOCP article you linked to? The Battlefield 3 performance is identical...

How is that more superior to Sandy Bridge?
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post #1018 of 2308
This makes me so sad. Really curious to see Thurban prices new and used though...

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post #1019 of 2308
Quote:
Originally Posted by PvtHudson View Post
Did you even check the HardOCP article you linked to? The Battlefield 3 performance is identical...

How is that more superior to Sandy Bridge?
Because it's GPU limited.

And a Beta.

And not indicative of how well a CPU performs because both CPUs are limited by the equipped GPU.
post #1020 of 2308
Quote:
Originally Posted by Majin SSJ Eric View Post
Yeah, but not when you consider the lack of performance that comes from such a massive size and power draw...
I agree entirely. I also think that doubling a chip's size to obtain equal performance shows a serious bottleneck somewhere. If I may quote myself.

Quote:
Originally Posted by hajile View Post
The chip was launched too early. I think that two performance increases are coming. The first will be piledriver. I suspect (given that it is launching in just a few months) that AMD pushed out this chip knowing that it had problems. I further suspect that the biggest problem is the one thing AMD won't talk about: branch prediction. Anand's N x N queen simulation helps to show that branch prediction has taken a large step backwards. Given that branch prediction is even more important with a longer pipeline, this is one of the most likely culprits. I believe that piledriver will focus almost entirely on fixing this problem.

The second problem is GF. AMD planned on a base frequency 30% faster and only achieved 9% faster. Even with the problems the chip has, overclock benchmarks @4.6Ghz (about 30% faster) places the chip more where it should be (at stock). In the upcoming revisions I think that speedbumps of 200Mhz+ are likely. Part of the cache latency problem is also linked to poor fab yields (increasing cache latency can help improve yields) and I suspect that piledriver will also have cache latencies more along the lines of Phenom II (or maybe just a bit faster).

All this said, this chip's intended audience was never primarily consumers. I think that server benchmarks show this chip to be more than competitive with sandy bridge.

OT edit: I think that with the BD transistor budget, AMD should have done what IBM did with POWER7 and made the L3 cache eDRAM (IBM did this to put more in while using less die space) and forgoing L3 for consumer chips because L3 is primarily to help with multi-processor bottlenecking in server/HPC environments.
edit: I do wonder if the cores are being starved by a too-narrow decode unit.
Edited by hajile - 10/12/11 at 9:11am
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