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Which are better/faster - E3-12xx series or E5-26xx series?
When I compare the specs of the E3-12xx series and E5-26xx series, the E3 appears to offer high speeds at a lower cost compared with the E5 which offers dual sockets but have a high a premium for higher CPU speeds.
The E5 also has a higher RAM capacity that enables providers to have more VMs even with a dual socket configuration. Does that mean that the E3 series will offer higher performance, at the cost of fewer VMs? ie a provider aiming to the best performance will prefer to use E3s instead?
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Core vs Core , I would choose the E3.
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Faster E3.
You are comparing 4 core to 6.
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More better/faster for what?
I think we have discussed this more than a couple of times =P
And for my personal stuff, I must say (again) that I hate these E5s. Slow for single threaded apps.
So, for my gameservers, if you let me choose a VPS with let's say a single core E3 vs a two core E5 I still choose the E3.
But for web stuff, I should choose the E5 one.
About the RAM in the nodes, I think the sharing (contention you call it?) ratio is bigger in the E5s because you have lots of RAM, and generally you will be able to put containers in that machines in a bigger proportion than the E3 ones. So, more interruptions, more context switching...
E3 is better, core 4 core, but if you're looking for some multi-super-duper-threaded application uses, then the E5 would be your friend!
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A E3-1270v2 is faster than a single E5-2620..
Obviously a DUAL E5-2620 blows away the E3-v2-Series..
The E5-2620 is a HEX core.. (6 physical cores) per proc, so lets say you have a DUAL E5-2620 HEX core, you have (12x Physical Cores + 12x Logical Cores - TOTAL 24x Cores) - due to 'HyperThreading'
You should be able to determine from here, what will blow what out of the water
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Everything should be multi threaded by now anyway. Remember there's more to a CPU than clock speed.
The Megahertz myth and core myth. For example the Quad-Core i7-3770k is faster (although only slightly) than the Octo-Core FX-8350.
The Original Daniel.
This unfortunately is not entirely real 8 core, it's rather 4 slabs of almost-two-cores each. Better than a single hyperthreaded core but still not complete two cores.
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This seems to explain why I was getting lower CPU benchmarks on E5s. The prices of 3GHz+ E5s is prohibitive.
Are E5s produced in 22nm technology as well, or are they all 32nm?
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http://ark.intel.com/products/64594
Hmmm, 32, so Sandy Bridge stuff.
But doesn't make any big difference imho
Both of them are more than you will ever need, E3 is faster per core E5 provides more power overall when combined but really the question is like saying, what is better a fork or a spoon, they are both used for eating but you would not use a fork for soup in the same way you would not use a spoon for a plate of French fires.
I would rather be on an E5 based VPS node as a consumer because I am more interested in long term stability and more cores = better load distribution.
I'd rather not, since it also means more neighbors. And some neighbors can be... not very nice.
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Fair enough, just a preference.
@rds100 I agree with you .I am more interested in having smaller nodes E3 with less customers.In big nodes with E5,if someone abuses the node and bring it down , it will affect lots of people.In smaller nodes less number of people would be affected
I am not Rick
What about a dual E5 node packed with less than many providers would pack in an E3 node?
No one size fits all statement here.
Like I said, just a preference, my E5 nodes have more cores more ram and more drives but with lower density than any other node as it affords me a better economy of scale which I can pass on to clients and is why my latest offers start at 2GB.
Mind you as a Xen host my opinion may be unique around here.
your mom...
But on a serious note: well said, I guess we don't get it because we don't look at a node in terms of how many x $7 we can get in to it.
I like to look at it as how many I can get that cancel next month because they didn't need it, AKA free money.
I'm kidding, or am I?
@AnthonySmith Agreed,E5 will work better in xen with more RAM than E3
I am not Rick
If the E3s weren't limited to 32GB RAM they'd be unstoppable.
Are the E3s faster because of Ivy Bridge technology, or were they faster even with Sandy Bridge? It looks like Intel hasn't yet upgraded the E5s to Ivy Bridge tech.
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They are faster either way. It's because E5 has 6 cores. It'll be hotter and can't run as fast. E3 has 4 cores. Ivy Bridge made a slight difference but not much.
E5s will be upgraded to Ivy Bridge once Haswell hits E3s.
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Not sure if you are trolling or not...
You're every day worse and worse with that. Hey, you're not lonely!
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The core count was a typo. 3->4 5->6. Consistent spacing issue on my keyboard.
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Still hope you are joking
What part of it? More cores do increase the TDP. That's why they had to decrease the clock speed. I don't understand your concern.
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Not all E5s have 6 cores
http://ark.intel.com/products/64621
plus others
http://ark.intel.com/products/64621
plus others
And some of 8 cores. Do you know HOW it is designed/manufactured? They design the chips with the max amount of cores and just fuse off the circuits of those cores that don't pass QA. That's how you have slower models and those with less cores. They don't produce variants. There's 1 chip.
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Whatever, most providers will use the slowest (almost) 6 core ones.
@concerto49 can you please explain why E5s appear to be faster: http://www.cpubenchmark.net/high_end_cpus.html
Well that doesn't really work as a blanket statement. According to the benchmarks, E3-1270v2 > E5-2620. I don't know if they do these by 1 core vs 1 core or full CPU. Don't much care, I stand behind my dual E5-2620 and anyone who has used it has 0 complaints. You can talk about clock speed and you can reference this, or you can actually try your stuff on it and see that it works like a beast. Talk is cheap. My CPU sure isn't. That's a challenge for you @yomero :P
Yup I LOVE LOVE LOVE my E5-1620, they are wonderful CPUs
It is faster since it has 6 cores. 6 x 2.0ghz Sandy Bridge is faster than 4 x 3.5ghz Ivy Bridge for multi-threaded applications that can take care of it. That's all. Per core E3 is faster.
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You did it in purpose? That cpu is in another league
He did not, WebNX sells them for dirt cheap.
Lucked out, I guess.
-- BOFH
E5-1620s are cheap, they are only around $300
@rds100
Doesn't always mean more neighbours.
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@Spencer, Not sure if trolling or..