A CPU (Central Processing Unit) is the chip responsible for actually "doing" most the instructions given to a computer.

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Firefox and Chrome use 100% CPU and load pages dreadfully slowly

I got a new ASUS laptop with Windows 10 preinstalled. Unfortunately, Google Chrome uses 100% of the CPU for 10-20 seconds when I load some pages. Then CPU usage goes back to normal. I'm having the ...
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2answers
29 views

Logical vs. Physical CPU performance

A computer has 2 physical cores, and 4 logical cores (For example, a computer with an i5-3210M processor). When a program A runs, htop shows that it uses 100% of 1 core, and other 3 cores are nearly ...
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I want to enable VT-x (virtualization) and I can't find it in my BIOS

My processor is an AMD A6-6310 APU. I can't find any option for virtualization in the BIOS (version A2CN24WW(V1.06) ) I checked this particular processor's features, and found out that ...
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0answers
178 views

Does the ASUS P7P55D Motherboard support the 4th generation Intel Core i5 processor?

I have a PC I built based on the ASUS P7P55D motherboard. Currently it has an Intel Core i5-750 LGA1156 processor in it, a 3rd generation processor. I just found out that to run the Intel RealSense ...
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1answer
13 views

Diagnosing strange lag/catchup or freezing behaviors on my new Laptop

I've been noticing strange freezes, lags, and crashes, although not too often. Here's my setup: Dell inspiron i7559, as purchased: Intel i7 6700HQ 2.6 GHz processor (officially goes up past 3 on ...
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15 views

Won't boot, no BIOS, keyboard and mouse lights not coming on

A while ago, I was running a version of Insider Windows that needed to be updated so my computer would shutdown unexpectedly pretty frequently. I tried changing to a different HDD and it booted once. ...
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13 views

what is the best PC for research tasks in Big data [on hold]

What’s better for research tasks in Big data - HP 8200 elite (core i7 2600 - 3,4 GHz) or HP Z600 Workstation (Intel Xeon E5504 - 2 GHz * 2) ?
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Does intel turbo boost count towards a minimum-requirements?

I have been asked at work to find cheaper alternatives to the default laptops being ordered and used currently by the various departments at work. Come across a few laptops which hit a solid price ...
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2answers
28 views

Can laptop slow down after ram upgrade?

I upgraded RAM on my old ThinkPad T400 from 4GB to 8GB. Is it possible that my laptop slow down because of additional RAM? It is quite old laptop. Specs: Intel Core2Duo P8600 2,4GHz SSD Samsung Evo ...
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6answers
8k views

Why is Google Drive so heavy on my CPU?

As the below screenshot shows, despite the fact that Google drive doesn't appear to be doing anything (it's not syncing any data) it's using over 12% of my CPU (a core i7). The official ...
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0answers
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missing enable SVM option in BIOS (amd phenom II X4 960T)

I have AMD Phenom II X4 960T mb: ASUS M5A97 (Socket 942) rev1 OS: Windows 7 Ultimate 64-bit SP1 It does support virtualization. I found in mb manual, that my bios options should be like this: ...
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6answers
2k views

Does RAM access slow-down CPU?

Yesterday I was thinking, when present x86 CPU wants to access memory there is some speed gap between them. Usually RAM operates at 1333MHz in case of some new Intel CPUs. But CPU itself works at ...
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0answers
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overclocking cpu: how important are power phases?

I deciding whether to get the MSI Z170A Gaming M7 or M5. Most advantages the M7 has over the M5 seem fairly gimmicky but one potenially solid advantage is that the M7 features a 14 phase VRM while the ...
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2answers
47 views

Computer crashes while playing games. CPU seems to go above rated GHz

I recently started seeing my computer freeze for a second or 2 every now in then when I’m playing games on about full load. This never used to happen and now it is concerning. It does it pretty often ...
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1answer
40 views

computer can't run even low graphics games or browse web properly

system specification I have got an amd athlon X2 64bit 5200+ processor along with asus m2n-mx-se-plus motherboard,2 gb ram,1gb ddr3 amd radeon 5450 graphics card and 160 gb seagate hardisk. problem ...
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0answers
243 views

Asus P8Z77-i Deluxe, cold boot issue

Alright, so when I turn on the computer, the DRAM LED lights up. The computer might restart once or twice, but not always. After a minute or two, if I restart the machine it will start up just fine. ...
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1answer
2k views

Does the Asus P8Z68-V LX support 3rd generation Intel Core I5 processors? [closed]

I'm having some trouble shopping for a hardware upgrade while trying to stay within budget. According to the specifications on their web page, the P8Z68-V LX provides the following CPU supoprt: ...
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0answers
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Intel CPU - Downclock

Hello I have an Intel i5-3210 M, 2.5Ghz I download Speccy and it shows that the average CPU temperature is 90°C, I've read above 80°C is a lot. If I down clock the CPU from 2.5Ghz to lets say 2.0Ghz ...
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0answers
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PSU 12V power regarding to combined power output

I bought an FSP Hyper 600W PSU. Because the new PCI-E VGA required bigger PSU than what i already have ( 500W ) The VGA requires 500W with 42A on 12V on 8pin connection. The PSU have 6+2pin so i can ...
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0answers
18 views

Opensource software for AMD A10 monitoring

I have an ASUS X550Z laptop which has an AMD A10 7400P processor. This processor says it has 10 compute cores in description. I am not quite sure I understand the technology completely, but it seems ...
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1answer
87 views

I can't update windows 8 to 8.1 under virtual box on my macbook pro

I installed windows 8 on my macbook pro under virtualbox. Now I want to update it to 8.1 with the store (free), but I get the error: You can't update because this doesn't support de CPU of your PC. ...
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1answer
35 views

Should I believe my CPU or laptop manufacturer for maximum memory supported?

I am going to buy a laptop which has a i7-6700HQ CPU. As the memory controller is inside the CPU, I thought it would tell the maximum memory supported. According to Intel: Max Memory Size (...
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21 views

Weird performance differences on similar workstation cpus

I'm running some scientific simulation code on a cluster which has nodes containing Intel Xeon E5-2630 v3 cpus. The cluster uses CentOS 7.2.1511, the gcc version I'm using is 5.1.0, and the assembler ...
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Windows installer stuck at Windows Logo

I currently have Windows 10 32 bit installed on my system and I now want to upgrade to Windows 10 64 bit. I have downloaded the ISO and burnt it to my USB. I boot from it and all I get is the blue ...
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Why are newer generations of processors faster at the same clock speed?

Why, for example, would a 2.66 GHz dual-core Core i5 be faster than a 2.66 GHz Core 2 Duo, which is also dual-core? Is this because of newer instructions that can process information in fewer clock ...
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VT-X is supported by cpu but not selectable

my computer's bios setting says that vt-x is supported by cpu. but I could not find anywhere to enable it. what's going on?
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2answers
32 views

What is the data route inside computer while downloading/processing a file

I was wondering that whether all the data in Computer has to go through the Processor or are there any Bypass Routes(like DMA) through which data goes. Consider following cases : While downloading ...
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13 views

What processor should I buy? [closed]

I'm currently running on a core i5-4460 CPU @ 3.20GHz on a 1150 LGA socket (Haswell). I need to upgrade to an i7 but I'm unsure on what one to go for, it needs to be faster (using the machine for ...
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0answers
615 views

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 ...
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Acer 4736z Laptop fails to load any OS, only windows safe mode working

I have been trying to figure out the actual cause of the sudden shutdown of my laptop at the time of OS load or at startup. This is happening from past several days intermittently however, was able to ...
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How high can you get the clock speeds of a i5-3320m?

I am trying to get the best out of my laptop's CPU. How high can I get my clock speeds to?
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5k views

Normal motherboard and CPU temperature

What is the normal temperature of motherboard and CPU? Details: Model: Toshiba SATELLITE T130 Mainboard: Toshiba SATELLITE T130 Total Memory: 3.84 GB DDR3 SO-DIMM Processor: Genuine Intel(R) CPU ...
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0answers
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Fetch decode and execute cpu

After fetch, decode must decode the instructionand send it to the component that is interested, but this means that this instruction could be send also to video card? And another questions, who load ...
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1answer
64 views

Using WPA to diagnose high CPU usage of “system and compressed memory” in Windows 10

Because the computer (ACER Aspire V5-122P) was running slow and was quite messy, I reinstalled Windows 10 and installed all the updates recommended. I also installed Avast and MalwareBytes. It is ...
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Change CPU reported name on Virtualbox or Vmware Guest OS

I want to find a way to change the name of the cpu on the Guest OS of a virtual machine (either virtualbox or vmware). For example, while my real pc has an intel i5-5200u I want the virtual machine ...
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Engineering Sample CPU Frequency (GHz) is same like official CPU Frequency (GHz)? [closed]

any one can confirm that Engineering Sample CPU frequency is same as the production CPU ? Let suppose if Intel E7 8890 V3 official CPU Frequency is 2.5G than Engineering Sample ( E7 8890 V3 ES) CPU ...
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2answers
3k views

Virtualbox, how to force a specific CPU to the guest

I have a XP guest in VirtualBox, windows 8 host. The guest shows the processor transparently same as the host (i5 2500k). However most of the installers don't recognize this processors and fail to ...
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1answer
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Edit VM setting so he configurate like a 84-bit processor [closed]

How can I the virtual machine settings change from an ESXi5 64-bit machine so that I can configurate it like a 84-bit operation? I'll nothing change to my guest operation system! This virtual ...
3
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1answer
64 views

How to explain the strange power consumption difference among OSes and hardwares and how to lower it?

I use a wattmeter to measure the power-consumptions of my computers. The following is the result: my laptop + Ubuntu 14.04: 14.5 watt my laptop + ArchLinux: 30 ...
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0answers
25 views

Is it worth it for the average user to upgrade their computer every 18 months? [closed]

I hear that every 18 months computers get twice as powerful, but looking at my computer from 2010 and a new computer from 2016, (that's 4 18-month periods, meaning 8 times more powerful) I really don'...
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2answers
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Why does process explorer show thousands of threads?

In the screenshot below, you can see that the OS is reporting 2925 threads. In my own programs, I set the number of threads per core to around 1:1 and that results in the fastest overall processing....
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2answers
737 views

Can ESXi read CPU temperatures (and report them to Observium)? (Poweredge 1950 Gen 3)

Currently running ESXi 5.5, Poweredge 1950 Gen 3 with dual Xeon E5410's at 2.33GHz. As far as I can tell, ESXi does not report CPU temperature anywhere. Here is the health page on ESXi vSphere: So ...
0
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1answer
48 views

Old Toshiba Laptop Windows 7 AMD Cpu Upgrade

I want to be able to upgrade my Toshiba laptop from a C-50 dual core CPU to something better around say 2.50Ghz or at least 2Ghz. I don't know the exact socket of the CPU but I think that it is a ...
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34 views

Git Server Hardware Requirements

What is needed for running a non lagging, stable Git Server? I'm thinking of running a Git Server on a Raspberry Pi 3 B and backing up anything to a flash drive.
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1answer
125 views

Why do I get better performance on VMWare when I enable all cpus along with adding cpulimit?

I'm curious but at the same time also would like to share my findings of the increased gaming performance in VMWare by enabling all virtual cpus and limiting the VMWare process with cpulimit (...
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0answers
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What CPU manufacturers really mean by “1-4Ghz Processor”

Recently I found out that what's known as the crystal oscillator is responsible for setting clock cycles. To my understanding this oscillator is found on the motherboard, not the CPU. My first ...
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3answers
6k views

Why does VirtualBox show more CPUs than available?

I have an Intel Core i7 3930K with 6 CPU cores. Now, I understand that every of that cores can handle 2 separate threads. That makes 12 virtual cores - which I can see using my system monitor (see ...
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0answers
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VirtualBox, why can't I use more CPU?

I have a six core, 12 thread processor. two virtual threads per one core. I have the option to allocate one to 12 CPUs. There are warnings about allocating more than six CPUs not doing anything. ...
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0answers
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GPU overheating troubleshooting

I've been having overheating problems for a while now, and I'm not sure which part is at fault. My specs: Windows 10 x64. Motherboard: Gigabyte Z87-HD3. CPU: Intel i5 4670 K. GPU: AMD MSI R9 290 4G ...
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1answer
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Processor Generation Compatibility

AMD A6-3620 APU with Randeon(tm) HD Graphics 2.20 GHz. What generation is it? I've tried looking it up through device manager but it didn't show me.