Intel continues to whoop AMD's ass....

[Desolus]

http://www.technewsworld.com/story/d6Gq ... unch.xhtml

[Partha]

Funny topic line, doesn't match the article tho.

[Ddrak]

Intel has a better CPU core, but is being held back by their bus technology in the server space. Hypertransport is a great interconnect, and AMD is doing really well with it. The stuff they picked up from the remains of DEC is still carrying them at the moment.

Dd

[Kulaf]

Pretty much the only thing Intel wanted from DEC was their FPU if I remember right.

[Ddrak]

At the time, Intel thought the world would jump to Itanium because they said it was a good thing.

Dd

[Desolus]

Looks like just recently in news that both AMD and intel have released thier flagship quad-core processors. This could get interesting. But we all know that it will be a race to see who can get an 8-core out. I forget, was it AMD or Intel that was first to get all four cores on one die?

[Desolus]

Heres some more meat on the subject:

September 7th, 2007
Leaked - AMD Barcelona versus Intel Clovertown and Tigerton
Posted by George Ou @ 6:42 pm Categories: Servers, News, Hardware, Processors, AMD, Intel Tags: Performance, Slide, Advanced Micro Devices Inc., Intel Corp., George Ou

[Update 9/9/2007 7:30PM - IBM seems to have confirmed these leaked numbers with this PDF file labeled for release on 9/10/2007. The scores are for an AMD Opteron model 2347 1.9 GHz quad-core and they’re a little lower than the Barcelona 2.0 GHz scores I extrapolated from the leaked AMD slides for Monday’s Barcelona launch. It’s still quite possible there are better scores for AMD’s Barcelona but IBM’s SPEC CPU 2006 scores seem to suggest that the numbes below are reasonable.

[Calculations on Intel advantage fixed at 7:30PM]
IBM also gives us the single threaded results for SPEC CPU 2006 which allows us to see how fast each core can perform on its own. This is very important for desktop applications (like games) and even server applications because there are some tasks that will always be single-threaded by nature. From IBM’s latest data, we can see that Intel still holds more than a 31.2% advantage on SPECint_2006 performance and more than an 18.2% advantage on SPECfp_2006 at 1.9 GHz. This is calculated by looking at the Barcelona 1.9 scores of 11.3 and 11.2 on SPECint_2006 and SPECfp_2006 versus an Intel E5335 2.0 at 15.6 and 14 adjusted down by a ratio of 1.9/2 which is conservative performance for Intel at a theoretical 1.9 GHz.

[Estimates of Barcelona over K8 advantage added at 7:30PM]
Over an existing Opteron “K8″ 2.0 GHz processor that gets 10.7 on SPECint_2006 and 10.9 on SPECfp_2006 adjusted down by a ratio of 1.9/2, the Barcelona 1.9 GHz core boosted SPECint_2006 by ~11% and SPECfp_2006 by ~8%. This pretty much confirms what I’ve been saying that Barcelona will not significantly improve single threaded IPC (Instructions Per Cycle) over AMD’s K8 architecture.

Intel still holds a massive clock-for-clock lead when it comes to single threaded performance and this is primarily due to the 4-issue execution engine in Intel’s Core Micro-architecture versus AMD’s 3-issue execution engine. What allows AMD to narrow the gap when we get to multiple CPU sockets is the Integrated Memory Controller per Processor and HyperTransport memory architecture. But in order for AMD to beat Intel on performance, they will need to ramp their CPU close to 3 GHz but they have a long way to go at this point.]

It appears that some slides for AMD’s Barcelona launch next Monday has come in to my possession and SPECint_rate2006 benchmarks were included. AMD caught wind that I was going to be analyzing and posting the leaked data and they just called me explaining that they wanted to give me some updated slides. I don’t know exactly what it was but I know that some of the numbers posted for Intel on SPECfp_rate2006 were outdated. I explained that I never signed (or verbally agreed to) an NDA on these slides and I didn’t intend to sign an NDA at this late point in the game and the gentleman from AMD was fine with that. But once I explained what I was going to do, AMD’s rep asked me for 30 minutes to check on some numbers.When he called back, I never got any updated slides but I did get a strong hint that I might be posting inaccurate information on Barcelona performance and that maybe I wouldn’t be journalistically accurate.

The gentleman strongly hinted that the numbers may change on the official launch next Monday compared to the numbers that I’ve extrapolated for now. Now this sounded nothing like the first call and it sounded to me like AMD just didn’t want the numbers posted. Of course it’s quite possible that newer SPEC benchmark numbers were submitted and the slides that I have are using older numbers. Since the word “change” was used, that tells me that the numbers I have are legitimate but they may have been tweaked a bit since.Since the leaked slides indicated that the performance estimates were submitted to SPEC.org on 8/20/2007, that looks fairly new to me though it does not rule out the possibility of newer and better numbers for AMD. I *cannot vouch* for the accuracy of the Barcelona leaked numbers and I cannot rule out the existence of newer Barcelona numbers.

But since the slides look authentic and the performance numbers are within the expected range, I’ve decided to post the performance numbers and let the reader decide if they’re authentic or not.
Barcelona SPEC CPU numbers allegedly submitted 8/20/2007[Update 11:00PM] Added September numbers for Intel. Note that it is possible that AMD has numbers newer and better than the ones submitted on 8/20/2007 in the leaked slides so it’s possible the number for AMD will go up a little.
AMD Barcelona versus Intel ClovertownThe numbers here are as of August 2007.

Barcelona SPEC CPU numbers allegedly submitted 8/20/2007The 160 score for the Barcelona 8350 2.0 fall within 4% of my “mid 150s” estimate. Unless AMD has better numbers for Monday’s Barcelona launch (they are hinting they do), it appears that even a Tigerton 1.86 GHz 4-socket Server beats a Barcelona 2.0 GHz 4-socket Server on SPEC CPU 2006 16-thread integer performance. This latest picture on integer performance also explains why AMD priced Barcelona so low against Intel.

[Update 9/8/2007 - Calculation fixed for Barcelona. 35% advantage should have been over August E5345 scores and not off September E5345 scores.] Here are the SPECfp_rate2006 peak numbers which are used for the niche HPC market. The leaked Barcelona 2.0 numbers are based on AMD’s slide that claims a 35% advantage over Intel’s 5345 as of 8/28/2007 (this is the date that these slides were generated). The numbers below show updated September numbers for Intel but it is possible that AMD has newer and better scores than the ones submitted on 8/20/2007.

[Ddrak]

Barcelona is looking pretty impressive for blade servers. Price/performance is way better than Intel, and performance/watt seems good too.

Dunno how it's going to all pan out though. Intel really needs to get their interconnect working and move away from FSB-based systems.

Dd