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Intel Nehalem Preview/Benches - Slaughters Core2

Looking very impressive indeed so far. Hoping to see some gaming benchmarks eventually.

On another note, I thought Bloomfield has no overclocking lock? Thought it was just for the entry level and mainstream socket?
 
it's looking good, all that's needed now is AMD 2 release something that can perform better than their current quads. they need another Athlon 64 sucess & for it to happen quick
 
it's looking good, all that's needed now is AMD 2 release something that can perform better than their current quads. they need another Athlon 64 sucess & for it to happen quick

Too right!

Will Nehalem be on sale at Crimbo?

RoEy
 
It is highly doubtful you will be able to buy nehalem at crimbo and if it is for sale your going to pay such a premium that i don't think it would be worth it but each to their own. I have seen Q3 2k9 as the time for mainstream nehalem not sure where i saw it but that was the timeframe.
 
Think I'll get an interim upgrade now, with a view to doing a full (Nehalem-based) upgrade in around a year's time.
 
Well it should be better than Penryn, but not sure by how much.

Penryn launched in Q4 as well but then it was only EE versions, with the rest launching in Q108, but as most of you know, launch and availability are very different things.

With Nehelam i believe the plan is to launch more sku's in that 1st quarter, so at a guess i would say approx you will be able to buy the N of your choice 3 months earlier than you could have bought the equivalent Penryn (YoY)
 
Seems your've just hunted for the worst increase there and mentioned it. Nearly all the results are vastly better, even the memory access speed and bandwidth - on a very early board with poor/broken memory performance.


---------------------------------- Memory Read --- Memory Write --- Memory Copy --- Memory Latency
Nehalem (2.93GHz) --------------- 13.1 GB/s ------- 12.7 GB/s ------- 12.0 GB/s ------- 46.9 ns
Core 2 Extreme QX9650 (3.00GHz) - 7.6 GB/s ------- 7.1 GB/s -------- 6.9 GB/s -------- 66.7 ns

Did you even read the article properly? Those memory results were on a board that was working properly.

The motherboard implementation of our 2.66GHz system needed some work so our memory bandwidth/latency numbers on it were way off (slower than Core 2), luckily we had another platform at our disposal running at 2.93GHz which was working perfectly. We turned to Everest Ultimate 4.50 to give us memory bandwidth and latency numbers from Nehalem.
 
The question is how well this is going to translate into real world performance.

I am pretty sure its going to slaughter everything in synthetics. Real world performance is another case. Clock for clock it wont be that much of an improvement, and Core 2 was made to cope with the memory latency, why do you think Yorkfields have 12MBs of L2 Cache?

That's like saying "P4s were made to cope with the deeper pipelines, why do you think Prescotts had 3.6+GHz clock frequency?"
 
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It looks like the performance has gone up by a singificant degree but getting a processor that will get you better performance than an existing overclocked Q6600 will cost quite a lot i guess.
 
it's looking good, all that's needed now is AMD 2 release something that can perform better than their current quads. they need another Athlon 64 sucess & for it to happen quick


Thats not such an easy feat though. AMD64 was a natural progression from AthlonXP. AMD did really well, but thats largely because intel gambled and ran with P4 a completely revolutionary design which turned out to have serious performance limitations.

Nehelem is an evolution of Core 2, its internal workings are similar, but it has all the extras that AMD have been using for years (integrated memory controller, and a high performance system bus). Not only that Intel have managed to bring back hyperthreading, and all in, are claiming around 30% more micro-op's are active on the processor core at any given time. So clock for clock performance should be in the order of 30-50% better than Core 2 depending on the nature of the application. Smallest gains on single threaded apps which cant make use of the native multicore design, Biggest gains on heavily threaded apps, which will benifit from native + hyperthreading.

And its not only the top model that is overclockable. Its anything running on the tripple channel platform. The 2.66Ghz quad should be available in this platform. Hopefully no more than £200 for cheapest model. Still the non overclockable models might still turn in a pretty good performance. Personally I dont think that AMD's phenoms will stand up to even the entry level Nehelem quads.
 
Personally I dont think that AMD's phenoms will stand up to even the entry level Nehelem quads.

I find your lack of faith disturbing.
While i prefer AMD to Intel i currently have an Intel processor. I would be happy for Sanghai(or whatever the 45nm upcoming processor of AMD is called) to perform better than Core2Duo and be a good overclocker.
 
Depends what he means. If he's referring to the cheapest Nehalem quads on the Bloomfield platform, I honestly wouldn't be surprised if initially Phenom is unable to keep up. Phenom's are yet to match the Yorkfield 12mb in performance clock for clock and this sneak peak would imply that Bloomfield is at least around 15-20% faster than the yorkfield.

I'm expecting some real progress from the 45nm Phenom and if it overclocks well, without expensive cooling solutions and is affordable, they've got a chance. Some mild architectural tweaks would help big time too. At the end of the day, we all have to hope that AMD is able to keep up either by pure speed or by price strategy because Intel will be getting away with murder.
 
There were P4's with a ton of cache, but Core 2 still completely outperformed them in real-world tests.

And did you read the article? Because most of the tests are not synthetic.
They test: Xmpeg Encoding, 3D Studio Max, AutoMKV, POV-Ray.... the main thing they lack for now is game tests.

And most processors out there now are quick enough for games anyway, it would have to be done on strategy games mainly, or low res FPS games :)
 
Depends what he means. If he's referring to the cheapest Nehalem quads on the Bloomfield platform, I honestly wouldn't be surprised if initially Phenom is unable to keep up. Phenom's are yet to match the Yorkfield 12mb in performance clock for clock and this sneak peak would imply that Bloomfield is at least around 15-20% faster than the yorkfield.

I'm expecting some real progress from the 45nm Phenom and if it overclocks well, without expensive cooling solutions and is affordable, they've got a chance. Some mild architectural tweaks would help big time too. At the end of the day, we all have to hope that AMD is able to keep up either by pure speed or by price strategy because Intel will be getting away with murder.

AMD are out of the game. Adding a bit of cache will help boost performance a little but they still won't be able to match a 2 year old chip design which not only has better performance but better performance-per-watt.
Intel really are years ahead, not just of AMD but of all the other chip manufacturers and that gap is getting wider as it becomes more and more difficult to manufacture smaller chips. All of AMD's 65nm chips were pretty poor and they couldn't even match their clock speeds from 90nm. The technology that intel used in 45nm was described by themselves as the most important change in 40 years and it's something that IBM, who are the only ones that are *close* to intel, will be trying to do at 32nm- i.e years after Intel.

Anyway nice to see intel pushing themselves, but it will make it impossible for anyone else to come into the market if they don't take a break :D
 
Intel's tick-tock development structure has paid off very well for them by the looks of it. By focusing money in R&D they've been able to completely outpace the competition by a large margin. Tick-tock seems to be like a machine that chews up and spits out everything in its wake, as even if an architecture falls flat on its face there'll be a brand new architecture in 2 years, and they won't get stuck with the 5 year problem that was the Pentium 4 or a situation like that ever again. Honestly, as much as I usually dislike giving praise to the dominator, Intel seems to have done some extremely smart things and is advancing much quicker than they used to. AMD should not have sat on their laurels when they brought out A64.

I think the biggest worry for Intel may well be Linux and other emerging CPU architectures. Why? Because different distributions of Linux support many different types of CPUs, meaning that unlike a Windows environment, a beefed up ARM processor (purely as a hypothetical example, if we wanted we could say Sun releases a DeskSPARC or something), could take the desktop market if an OS that supports many architectures with wide application support for each one were to take the market. That is probably more of a threat than AMD at this point in time.

Hoo, late night ramblings and slight off topicness. Sorry folks. >>
 
...

Anyway nice to see intel pushing themselves, but it will make it impossible for anyone else to come into the market if they don't take a break :D


True. In a way, though, we sort of have AMD to thank for this, as the A64 seemed to be a bit of a wake-up call for Intel.

They certainly seemed to step up a gear after AMD (albeit briefly) took the performance lead.
 
apart from gfx card i spend £900 every 2-3 years and have no problem keeping up with software demands, other than crysis, which wont run on nehelam anyway.

This way i get the best of the latest stuff, using overclocking to get more for free.
 
Are the apps in that review fully multithreaded? If they are, then for single threaded stuff it could well be slower than C2D.
 
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