Questions tagged [quad-core]

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8vCPU vs Octacore process?

Is 8vCPU same as Octa core processor ? For example at Amazon Servers I see 8 vCPU against c4.2xlarge. Is it a quad core processor ? So is one virtual CPU is equivalent to 1 core? Update:- Sorry i ...
user3198603's user avatar
1 vote
1 answer
2k views

Two CPU vs dual core?

Are two single-core CPUs (in a two-socket system) equivalent to a single dual-core processor? Can we also say two single-core CPUs have half as much processing power as a single quad-core system? My ...
user3198603's user avatar
1 vote
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2 Slightly Different CPUs, Same Workload, VASTLY different usage?

Machines involved: Whitebox i5-2500k, 32gb, 4xSSd in raid 10 Lenovo TS440 with Xeon 1225v3, 32gb, and 4xSSD in raid 10 Both machines are configured the same software wise. Both machines have a quad ...
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about cpu temp and fan speed

i've a problem im facing sometimes, my friends' PC had an intel pentium D dual core (3Ghz at 800Mhz FSB)was very slow, fan (3pin cooler master) running at ~1550RPM, ram 4gb running 35% load. i ...
Abdulaziz Hamdan's user avatar
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1 answer
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PC not consistantly working after upgrading CPU

I have a PC with Asus P5B Deluxe motherboard, E6700 CPU (Core 2 duo) and 8 GB of ram (ddr2 800) I wanted to upgrade my CPU, and so I went to the motherboard's website: http://support.asus.com/...
Matan L's user avatar
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1 answer
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Going from dual-core to quad-core to speed up multi-tabbed browsing in Chrome [closed]

I've got an Athlon II 240 and often times when I suddenly open 5-10 new tabs in Chrome, both my CPU cores go to 100% and all my previously opened tabs freeze for some 10-20 seconds until the new pages ...
Plain Coder's user avatar
2 votes
2 answers
433 views

How can I attach 10 hard drives to my computer?

I am not very familiar with high-end computer hardware. Currently I have 7-8 USB hard drives. I find it very messy to attach them to computer with 8 USB cables and then 8 power adapters and then USB ...
user191542's user avatar
10 votes
3 answers
27k views

Single Threaded Qaud Core v.s Hyper-Threading Dual Core [duplicate]

Let's say we have two CPUs, One is Quad Core 3.2 Ghz with 4 Cores, and We have a Dual Core 3.2 Ghz with 2 Cores with 2 threads in each Core (Hyper-Threading). My assumption as a programmer will be, ...
David's user avatar
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2 votes
3 answers
229 views

Single threaded process being executed on 2 cores

On my quad core cpu, it seems like a single thread (endless while loop) is being executed on 2 cores simultaneously. Why is this? Shouldn't a single thread be executed on one core only?
agz's user avatar
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3 votes
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Multiple cores = better multitasking?

Specifically I am looking at either the i5-3570k or the FX-8350, but it made me think of a more general specific question on how multiple cores can improve general multitasking. Been reading a lot of ...
Taylor Huston's user avatar
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How much ram can this new computer hold? [closed]

There's a barebone laptop that I found on the internet, but I never build a barebone computer before, and the website says that it can hold a max of 32 GB of ram, but when you scroll down to the specs ...
Ripspace's user avatar
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Is it possible to have a dead core on a quad core processor?

A few weeks ago my iMac 27" Mid 2011 started restarting by itself. After a further investigation I found that it wont start with 4 CPU cores, but max 3. Is it possible that my 4th core is dead? Thank ...
Krasi's user avatar
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1 answer
880 views

Dell 412 motherboard support Intel Core 2 Quad Q9550 processor?

Does anyone knows if a Dell 412 motherboard support Intel Core 2 Quad Q9550 processor? I have now a Intel core 2 Duo E6850 and 12GB internal memory and it works great.
Haekan's user avatar
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2 answers
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Power requirements for this build enough? [closed]

I am currently in the process of building a series of desktop base units to act as a cluster (running Linux). It will be running 24/7 mostly so i need something that lasts. Here are the specs: CPU: ...
Thomas N's user avatar
1 vote
1 answer
2k views

Optimization Visual Studio build high frequency or number of cores

What is better for visual studio build ? Dual Core CPU with HT and 3.0 ghz per core or quad core CPU with HT and 2.4 ghz per core ? Thank you. I consider buying a new laptop for development but I can ...
ms_devel's user avatar
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2 votes
1 answer
614 views

How to put idle CPU processing power to good use? [closed]

I just got a new computer that has far more processing power than I need 90% of the time that I'm using it. To what ought I to devote that power? I know of SETI @ Home and Protein Folding. What ...
Michael Vipperman's user avatar
1 vote
4 answers
9k views

CPU lost a core?

I have a quad core processor. AMD Phenom II x4 965 3.4 MHz Which is about a year old. It has never been overheated and has never really been stressed for any long periods of time. I don't think I've ...
sealz's user avatar
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1 vote
3 answers
3k views

Why are there only two cores in Windows XP?

I'm running Windows XP 32-bit on an Intel Q9650 quad-core CPU. In Device Manager, I see four cores. It's OK. However in Task Manager, I can only see two cores. Are only two cores used? If so, why are ...
flypen's user avatar
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1 answer
2k views

MacBookPro Core i7 - system profiler says "Number of cores: 2"

I thought that "quad core" meant quad core. My system says that it has 2 cores, but perhaps I'm thinking of it wrong, or perhaps the OS ignores 2 cores. What do you know about the issue. (Note: Intel ...
orokusaki's user avatar
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1 vote
1 answer
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PC won't boot with more than 1 stick of RAM

I've got the following computer. I just put in a new CPU QX9650 and I ran into this problem since making this hardware change. Whenever I put more than 1 of my 4 sticks of RAM into my machine it won'...
Aidan's user avatar
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