Questions tagged [xeon]

The Xeon is a brand of multiprocessing- or multi-socket-capable x86 microprocessors from Intel Corporation targeted at the non-consumer server, workstation and embedded system markets.

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Does including two processors increase max RAM memory?

If E3-1285 v6 supports a maximum of 64 GB of RAM, does using a dual socket motherboard increase max memory? I guess not, but would like to know the reason. My logic says that if RAM is shared, both ...
kankamuso's user avatar
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14 votes
2 answers
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Two different Intel xeon e5 24xx on one dual-socket motherboard

Can I use two different e5 24xx on one dual socket motherboard or must the CPU's be identical?
user3447070's user avatar
11 votes
5 answers
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Is it better to have more small ram chips or fewer large ones?

I am currently building a new server. I have options between say 32GB Memory for 2 CPUs, DDR3, 1066MHz (8x4GB Dual Ranked RDIMMs) and 36GB Memory for 2 CPUs, DDR3, 1066MHz (18x2GB Dual Ranked ...
Alex Andronov's user avatar
8 votes
3 answers
984 views

is it dangerous for the processor core to be *always* loaded at 100%?

In my HFT software I plan to use one core for stock index calculation. That would be simply while(true) loop without any delays which will calculate (sum and multiply) components as often as possible (...
Oleg Vazhnev's user avatar
7 votes
2 answers
22k views

Intel Xeon processors: Difference between 2S/4S and S2S/S4S scalability

While comparing Intel Xeon E5 and E7 processors, I've noticed that E5 processors are specified for 2S or 4S scalability, while E7 processors are specified for S2S, S4S, or S8S scalability. I ...
bwDraco's user avatar
  • 1,644
7 votes
3 answers
5k views

Desktop CPU VS server CPU performance - is passmark relevant?

I am replacing my SOHO server (desktop-grade components) with a used server. A quad-core i5 is being replaced with dual quad-core Xeons X5355, here are the details: i5-2300, passmark score 5276: ...
petr's user avatar
  • 185
6 votes
4 answers
2k views

using i7 "gamer" cpu in a HPC cluster

I'm running WRF weather model. That's a ram intensive, highly parallel application. I need to build a HPC cluster for that. I use 10GB infiniband interconnect. WRF doesn't depends of core count, but ...
user1219721's user avatar
5 votes
2 answers
6k views

HP Proliant ml350p g8 not booting after installing new CPUs

Our server: HP Proliant ml350p g8 has a single Xeon e5-2609 1.4Ghz processor. Our manager wanted to update it a little, so we looked at 2x E5-2609V2 processors...we ran it past HP Enterprise chat who ...
Cardona's user avatar
  • 53
4 votes
3 answers
13k views

using correct number of DIMMS for best memory performance Intel Xeon scalable cpu

I am trying to understand what I guess is called a balanced memory configuration. For the newest cpu's from Intel at this point in time, January 2018 which are for example Xeon 8180 and Xeon 6154, ...
ron's user avatar
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4 votes
1 answer
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What is the difference between the C0 and E0 stepping in the Intel Xeon 5400 family of processors?

My primary question is in the title, and can be answered as simply as that. However, I think some background information may be relevant. I'm doing some research into upgrading one of our three year ...
hobodave's user avatar
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4 votes
2 answers
4k views

Intel Xeon MTBF/Lifetime

I'm looking for hard numbers involving the Mean Time Between Failure (MTBF) or lifetime that can be expected of the Intel Xeon 5000-series of processors. I'm just looking for stock data (no ...
Remi's user avatar
  • 156
4 votes
1 answer
976 views

Wrong number of cpu cores for Xeon X5650 in Xcp-Ng

--- UPDATE 2 --- Never solved for Xcp-Ng 7.6. Issue does not exist with xcp-ng 8.0. I have a Intel Xeon X5650 processor (from eBay) but linux (Xcp-ng 7.6) only lists 8 using lscpu. However dmidecode ...
Octetz's user avatar
  • 91
3 votes
4 answers
1k views

Which is better -- single high speed processor or double lower speed processor?

I'm looking forward to buy a Dell PowerEdge Tower server, that would cater to a low or moderate expected load, at least for the time being. I have a question about it's processor -- whether it is ...
Barun's user avatar
  • 289
3 votes
4 answers
2k views

Help identifying XEON processor

I have an old server with an Intel XEON Processor. I have been trying to identify which exact version it is with no luck. I tried various tools but all they do is give you some info about the ...
Adam Berent's user avatar
3 votes
4 answers
2k views

DL580 G7 giving only low performance on CPU (E7 4870)

I have a DL580 G7 with four E7 4870 and 128gb of RAM installed (eight cartridges with 2x 8gb each). The operation system is Ubuntu 18.04. There is a TITAN X on the pcie16 and the obligatory p410i ...
Sebastian_學生's user avatar
3 votes
2 answers
9k views

HP DL360 G5 Processor Upgrade

I've recently acquired a DL360 G5 with Xeon 5410's in it (quad core, 2.3Ghz). We've also purchased some Xeon X5482's - which I understand are near the top of that same processor range. I'd like to ...
Anthony's user avatar
  • 169
3 votes
2 answers
2k views

Intel Xeon E7-4807 vs Intel Xeon X5690

We replaced our main line of business server with a new one. The old server had dual Xeon X5690s in it (2 generation old chip), the new server has quad Xeon E7-4807s. We expect processor performance ...
David's user avatar
  • 33
3 votes
2 answers
1k views

Dell 2950 Ram Upgrade

We have a Dell 2950 III with 4x4GB of RAM and a single Xeon E5430 processor. We would like to upgrade with another 16GB of RAM (4x4GB) but can't determine whether we would need to add a second ...
TodK's user avatar
  • 213
3 votes
2 answers
1k views

Does Xeon Phi works with i7 CPUs

Does Xeon Phi coprossesors works with i7 CPUs ? It's advertised for use with Xeons, but for my app (WRF), i7-3930k performs better and is 3 times cheaper than high grade xeons. So I wonder if I could ...
user1219721's user avatar
3 votes
1 answer
15k views

Proxmox KVM fails to start

My new server is Fujitsu Primergy RX1330 M1 with Intel® Xeon® Processor E3-1220, running either Proxmox V4 or Proxmox V3.4 i have the following problem. When i create a new virtual machine, during ...
Dimitris Sapikas's user avatar
3 votes
1 answer
1k views

If I have two 2670 Xeon srokx processors does it have the same stepping?

If I have 2670 Xeon SROKX processors does it have the same stepping? (the processor picture attached) Is srokx the stepping number? I want to use two of these processors in a dual socket motherboard. ...
Pretty_Girl's user avatar
3 votes
1 answer
2k views

Intel Xeon 6134 + One DIMM per channel or two DIMMs per channel for maximum memory bandwidth?

I'm unable to find this critical piece of information in spec sheets. Appreciate any insight. We're purchasing servers for HPC work with intel Xeon Gold 6134 (Skylake) cpus I want maximum memory ...
Aravindh Sathish's user avatar
3 votes
1 answer
4k views

Cannot enable VMware EVC for Xeon E5-2630v3 (Haswell) on vSphere 6.0

I've got two DELL PowerEdge R730 servers loaded with a dual Xeon E5-2630v3 Haswell. When I installed VMware vCenter, I tried to create a Cluster with VMware vMotion EVC mode set to Haswell, since it's ...
Vinícius Ferrão's user avatar
3 votes
1 answer
2k views

Is there a way to use a Xeon Phi 31S1P without a server case? [closed]

Due to the current ridiculous Xeon Phi 31S1P offering (~90% discount until end of year), we were tempted to investigate in the capabilities of this coprocessor, which seems well tailored for some of ...
Matteo Italia's user avatar
3 votes
0 answers
62 views

Bad multicore performance on DL360 Gen 10 with 2xXeon 6154

I have some issue on the multi-core performance of some server. The server are HPE DL360 Gen10, mounting 2x Xeon Gold 6154 (18 cores). When i refer to the performances they are slower then some older ...
vimax87's user avatar
  • 31
3 votes
2 answers
1k views

interpreting cpuinfo

I have to figure out what kind of cpu my HS20 have. Its /proc/cpuinfo output is below. Is that mean It has two IntelXeon units with two cores each ? processor : 0 vendor_id : GenuineIntel ...
Kamil Z's user avatar
  • 177
2 votes
2 answers
1k views

6-Core Xeon VS Opteron for virtualization [closed]

Which processor gives better price/performance for virtualization environment?
aurimask's user avatar
2 votes
2 answers
6k views

How do I know if my Xeon Processor supports hardware virtualisation?

I've been scouring the net (mainly the wikipaedia lists and intel's site. I even pulled out the datasheet for my processor) but I can't seem to answer this question. Does my Xeon support hardware ...
Ganesh Shankar's user avatar
2 votes
2 answers
4k views

Can I mix ECC RDIMMs with different rank?

I have an Intel S5520SC motherboard with two Intel Xeon E5620 CPUs installed. It currently has six KVR13R9D4/8I DIMMS - I want to add another six DIMMs (48GB of RAM) to upgrade this workstation to ...
chippies's user avatar
  • 159
2 votes
1 answer
81 views

Xeon Processors and large transactions

A little background: We have a windows service which gets data from an external server and stores them on a local DB (SQL server 2012). The external server sends more than 1500 “messages” per second,...
Saber's user avatar
  • 21
2 votes
2 answers
2k views

How can I upgrade my processor from X3065 to X3220?

I have a Dell Poweredge R200 server which has an ancient Xeon 3065 processor. I see in the servers specs that it can accommodate Xeon 3200 series, but not sure if I buy a bare-boned Xeon 3220 ...
alfish's user avatar
  • 3,127
2 votes
1 answer
1k views

Buyers question: Have intel AES-NI already been integrated in IPSEC stacks?

Dear serverfault, I need to decide between deploying Opteron 6100 and Xeon Westmere EP, so I regard this a platform question. If not, it may be moved to stackoverflow and I hereby declare that I am ...
user avatar
2 votes
1 answer
90 views

Fast CPU v Lots of cores.... which is best? [duplicate]

We run an ecommerce platform with many sites and lots of crons continually running etc... Resources (images, js) are primarily delivered via CDN. Our server runs CPU intensive apps such as CXS Watch ...
starchild's user avatar
2 votes
1 answer
2k views

Dell R510 can i go from E5620 to X5690

I have a Dell R510 used for a SQl server. Can I go from E5620 to X5690? They are both in the same Intel Xeon 5600 series. But the i did not know if a X (Performance) is interchangeable E (...
NJinPHX's user avatar
  • 29
2 votes
1 answer
4k views

Intel Turbo not working in CentOS 7 with Intel Xeon Scalable (and other newer CPUs)

We have a small cluster where I work, that I look after. The nodes run CentOS 7.5. Our older nodes use Xeon E5 v4 CPUs, mostly the E5-2699 v4. With the older nodes, the Intel Turbo Boost works ...
Maculin's user avatar
  • 83
2 votes
1 answer
762 views

Calculation of Xeon server memory bandwidth

I am looking at a dual socket server based on the Intel(R) Xeon(R) CPU E5-2640 v3 @ 2.60GHz The configuration looks like this. 4 memory channels per socket DIMMs are 8x32 GB DDR4 2133/1866 modules ...
Frank Astier's user avatar
2 votes
0 answers
1k views

My Xeon Processor supports VT-x, is it compatible with Xen? [closed]

While looking for a server to run Xen I stumbled across a barebones setup which comes with an Intel Xeon L5420 on the SuperMicro X7DCA-L motherboard. Doing a bit of research I found the processor ...
rachelderp's user avatar
1 vote
3 answers
1k views

HP ML350 G4 - do the XEON processors need heat sink compound?

I pulled the heat sinks off a HP ML350 G4 and there appears to be no heat sink compound between the processor and the heat sink surfaces. It looks like the point at which they make contact is ...
Golfman's user avatar
  • 113
1 vote
3 answers
1k views

Why MP 7000 Xeon 6 times price DP 5400 Xeon

Anyone know the technical reason a MP Server 7000 series Quad core Tigerton Xeon 2.4 Ghz is approx. six times the price of same speed 5400 Series Quad Core DP Server processor. What is so special ...
kingchris's user avatar
  • 244
1 vote
3 answers
2k views

howto fill DIMM slots around xeon 56xx

howto configure memory around the Xeon 56xx CPUs? 2P configuration with 3 channels per CPU How to fill the DIMM slots for optimum memory performance? what is the minimum number of slots to be filled ?...
JMS77's user avatar
  • 1,275
1 vote
1 answer
3k views

Non-ECC RAM for virtualization?

I'm on a quest of building a virtualization server. However, I was asking myself a question: should I stick with non-ECC RAM for this server or not? This because I found a Xeon CPU that falls in the ...
Peter's user avatar
  • 13
1 vote
3 answers
973 views

Performance gain on upgrading from Xeon quad core 1.6GHz to 3.1Ghz

What kind of performance gain can I expect to see when doubling my processor speed? I have a Dell 2950 with (2) quad core 1.6GHz processors and am considering upgrading to (2) quad core 3.1GHZ ...
ensnare's user avatar
  • 2,222
1 vote
2 answers
654 views

Two Xeon Processors with Different Clock Speeds on the Same Motherboard: Possible?

If I have a 2.0gHz Woodcrest 5130 Xeon and a 1.6gHz Woodcrest 5110 Xeon, can I put them both on the same motherboard? The machine in question is a PowerEdge 2950.
snicker's user avatar
  • 143
1 vote
1 answer
292 views

I have code compiled for Intel i7: how can I know which Xeon processors it could run on?

I have code compiled for Intel i7: how can I know which Xeon processors it could run on? There seems to be no clear way to know. I developed these rules-of-thumb, but am unsure if they suffice. The ...
boardrider's user avatar
1 vote
1 answer
1k views

Dell Poweredge 2950 with E5430 Temperature

So I just picked up a few Poweredge 2950 servers and I have them set up with Windows Server 2012. I installed Core Temp to monitor CPU temperature. One server has a CPU operating temp of the following ...
virtualadrian's user avatar
1 vote
1 answer
3k views

How to setup guest-os raid 1 with vmware esxi?

In my last questions I didn't make myself clear, so I will do my best to explain it. I have a server with esxi 5 installed on it. I am not able to setup hardware raid atm, and need a workaround. ...
jM2.me's user avatar
  • 311
1 vote
3 answers
2k views

Intel Xeon vt-d query

Does Xeon westmere ep (xeon 56xx series) have vt-d (=iommy / direct io) or does intel TXT (Intel® Trusted Execution Technology) include vt-d? I'm at a loss. I've been researching current processors ...
deploymonkey's user avatar
1 vote
1 answer
1k views

Can Intel Turbo Boost frequency for all cores be lower than the base frequency?

The Intel Xeon 6208U CPU is advertised to have a base frequency of 2.9 GHz and Turbo Boost frequency of 3.9 GHz - but that is for one core, which is not very useful (and IMO, highly misleading). I'm ...
EM0's user avatar
  • 369
1 vote
1 answer
137 views

Can I replace one Intel Xeon e5-2603v3 with dual E5-2690v4 on HPE server?

I've got an entry level HPE SRV 778640R-B21 which supports dual CPU but comes with an E5-2603v3 (LGA2011-3 / DDR4). It has also 550W power supply. I want to remove the current cpu and add a pair of ...
Nime Cloud's user avatar
1 vote
1 answer
506 views

intel xeon e3 1231 v3 server load

I'm running a server with a single Intel Xeon E3-1231 v3 processor which is used as a virtual machine host (host OS is CentOS 7 and I'm using the KVM hypervisor via virt-manager). I created 4 virtual ...
brendonofficial's user avatar