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

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Is it possible to replace the Surface RT NVIDIA 1.4 GHz Tegra 3 Processor with an Intel i5 or i7?

Tear down difficulty aside, is it possible to simply remove the NVIDIA 1.4 GHz Tegra 3 Processor in a Surface RT and replace it with an Intel i5 or i7? I admit I am not much of a hardware guy (...
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Very slow computer but low CPU or Memory usage

My computer is very slow. All the programs and Windows itself is slow. But strangely, all the games run without lag. They are not affected somehow. I just reinstalled my computer for the 6th time ...
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do I get half the CPU speed for a single thread if HT is turned on? [duplicate]

If I have a single 2.6GHz core for example would it mean that with hyperthreading I have only 1.3GHz for a single thread that my app have or is it on demand only if I will use (lets say my app is the ...
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system monitor showing 25 ghz cpu speed, could that have any bad effect?

http://i.stack.imgur.com/ZKl0f.jpg I have a water cooled system, but.... I don't have that kind of wallet to be able to pull that out. Is anyone of you that had this problem? what I want to know is ...
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11answers
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What's the difference between mobile and desktop processors?

I just read about the new Samsung Galaxy Note Edge having a 2.7GHz quad-core processor and 3GB of Ram. The laptop I bought last year by HP is 4GB of ram and 2.3GHz quad-core and my iMac is even ...
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1answer
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Difference between Instruction, operations and micro-operation (uop) [closed]

I am trying to understand the intricate terms related to performance of processors. Computer performance is measured in FLOPS, which is short for FLOPs per Second. FLOPs itself stands for Floating-...
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2answers
127 views

Is it bad for a CPU to be running at a high speed for extended periods of time?

I have an Intel Core i7-4770S (3.10 GHz) that can go up to 3.9 GHz in turbo mode. Windows Task Manager can report it going up to about 3.5 GHz when playing certain games and probably goes higher every ...
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1answer
585 views

Can I use 2400MHz RAM with an Intel Xeon E3-1230V3 processor?

The datasheet for the Intel Xeon E3-1230V3 says it supports a maximum of 32GB DDR3-1333/1600. But isn't the RAM speed dependent on whether the motherboard supports it? I'm thinking of getting this ...
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Are my CPU temperatures too high?

My CPU temperature revolves around 40 - 50 C while idle and it immediately shoots up to 90 C while starting a game as old as AOE II Conquerors. See below the screenshot which I captured using CPU ID ...
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573 views

My CPU fan is constantly at ~500RPM - LOW SPEED

I have tried setting the RPM in the bios but the only two settings are "Off" and "Slow". My mobo is DP55WG and it is updated. I am using an 212 EVO heatsink + fan and the fan is plugged in the correct ...
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Low performance when charger is plugged in

I got this laptop: Dell Inspiron N5010 with i5 2,40GHz processor, 8GB Memory and a Kingston SSD. 4 months ago my charger`s pin jack has broken, but it was still working. I noticed that the ...
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1answer
350 views

What is a U2E1 socket?

I have a 2011 MacBook Air running Ubuntu 14.04 and would like to find out the CPU socket through software methods. To do so, I'm running sudo dmidecode -t 4, which yields, among other things, this: ...
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nice has no effect in Linux unless the same shell is used

If I enter in two different root terminals: nice -n 19 burnK7 & and nice -n -19 burnK7 & Then both processes receive about 50% of the available CPU time - not expected and certainly not ...
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2answers
291 views

Can you run Mac OSX in Virtual box on an AMD pc? [closed]

I thought about coding a few iOS apps. To do that you need a mac. I have an AMD based pc and I don't want to buy a mac. So I wonder if its possible to run mac OSX in virtual box on an AMD pc. Thanks
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Is it possible to connect multiple output screens to single machine

Suppose i have four screens A,B,C,D connected to single machine. I need to play different video to each screen which control and coordinated by application running on single machine. Problems i am ...
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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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1answer
5k views

Is the Asus Z97 Board integrated Graphics or iGPU, and what is the difference? [duplicate]

I plan to buy an Asus Sabertooth Z97 Mark 1 board, with an Intel Xeon Processor E3-1220 v3 (without graphic). Now I don't know if the Asus board uses an integrated graphics or the graphics from my CPU,...
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Z87 Deluxe edition Won't boot with Core i7-4790K

The new motherboard, of a friend of mine, will not boot with his brand new Core i7-4790K processor. The CPU error LED blinks as soon as we power on the unit. Hadrien
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Does this motherboard support two graphics cards?

I've just bought new gaming PC with an Intel® H81 Chipset (Intel® DH82H81 PCH). I already have an NVIDIA GeForce GTX 750 and I want to add another 3d graphics card. Is it possible to support another ...
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2answers
192 views

AMD CPU Temperature

I installed an AMD A8-6600 and the CPU temp seems high. It's running between 60 - 68C in the bios health monitor. I'm using the onboard graphics. That temperature seems too high to me. Is that temp ...
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1answer
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How can I compare effective power usage of two CPUs / CPU+Mobo+Mem combinations?

I have this server which does mostly file sharing (with the associated storage). No serious number crunching and it isn't the firewall. My current box has a Celeron D processor (Prescott 336 2.8 GHz); ...
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327 views

Error 5A - Internal CPU Error

So I built myself a pc for the first time. The machine has been running properly, and without issue, since March of this year. Today after an hour or so of gaming the machine shutdown without ...
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1answer
205 views

What is the CPU microcode?

Today after unpacking the initramfs file from my Linux /boot directory I found that it contains the GenuineIntel.bin file, and that that file is an image of what is called the CPU microcode. Then I ...
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Why are they putting “processors” on hard drives?

What does it mean when hard drives have a processor on the hard drive? How does it work, and what benefit does it have? I don't understand - the CPU on the computer is the processor and the hard ...
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3answers
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Operation System Clone from a Motherboard to Another [closed]

Lately we had an idea with my Family of building a Super Computer from Scratch. So while we were planning on building our setup, one idea came to my head that it seems possible but i want also your ...
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1answer
326 views

HP Elitebook 8530p's CPU Increases to 100% when Plugged In

I apologize if this post is too long or doesn't describe the issue properly. I have absolutely no idea why it is doing this, apparently it is a problem with HP computers or a particular strand of them ...
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1answer
281 views

What is the different between a CPU with or without the GPU?

This may be a dumb question. But this is definitely a quick n easy question for those who know it :) When I choose to buy a CPU with No GPU, such as some of the Intel Xeon CPUs, what should I bear in ...
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1answer
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How to identify hardware performance bottleneck in laptop? [closed]

Is there any tool that helps to determine the weakest link of my current laptop hardware specification? Any online guide to help me choose nice balanced configuration for the new laptop? I need to ...
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2answers
479 views

Do I need new thermal pads?

I have an ASUS G51VX that I've had for about 5 years and it ran fine, except when watching HD videos; then it had a tendency to overheat and turn off. I took the heat sync off to apply some Arctic MX-...
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2answers
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Since each CPU's core can process one or two threads at once, how OS stills stable even if there are multiple threads running?

To explain more, suppose we have a dual core CPU without hyper threading, that means it can process 2 threads at once only, well, now suppose we have a network application that is running two ...
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619 views

“Not responding” error while CPU and Memory are free

Sometimes, while CPU and Physical memory are free, some program's status change to Not responding! Why?! For example as you see below, 80% of CPU and 25% of RAM are free! but VMware went to Not ...
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Why doesn't “add more cores” face the same physical limitations as “make the CPU faster”?

In 2014, I hear a lot of programming languages touted for their concurrency features. Concurrency is said to be crucial for performance gains. In making this statement, many people point back to a ...
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The motherboard “GA-945GM-S2” is compatible with processor “Dual Core E2200”? [closed]

I have a Intel® Pentium® Processor E2200 processor. I have discovered that my motherboard is faulty. I found the GA-945GM-S2, but I do not know if it supports my processor. I need to know if it is ...
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1answer
54 views

Cores and threads - Performance

I wonder if a 4 core/8 thread cpu will perform better than a 4 core/4 thread cpu. If the answer is yes; How much better will a 4/8 perform? EDIT: What if its for running 4 single threaded apps? And ...
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Video Games all run 60fps and above but randomly drop 20fps

So when I play video games on my PC, they all run at 60fps or higher but randomly throughout all my games it will drop to 25fps and lower. I know it can't be the game because it happens in all my ...
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1answer
82 views

Can RAM with significantly lowered temperature still be accessed normally?

If I significantly lower the temperature of RAM using those dust cleaners (I'm following the method outlined in this paper: http://citpsite.s3-website-us-east-1.amazonaws.com/oldsite-htdocs/pub/...
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How is the burned BIOS/firmware code executed from the CPU? [closed]

Let's use simple Intel and "generic PC" memory-mapping/engineered boards to get the gist of this. BIOS/firmware is hardwired to a certain address; an address from which is immediately fetched/...
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How to control cpu speed through windows?

Linux has some awesome apps, one of them is the app which allows you to control speed (mHz) at which your cpu is able to operate. Is there something similar for windows 8.1?
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PC randomly freezes with weird patterns / artifacts on screen

I just got a new PC (which I assembled myself) having a Core i5 4670K and a Gigabyte Z97MX-Gaming 5 motherboard. I use the Intel HD graphic 4600 as the GPU. I am experiencing weird PC freezes which ...
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2answers
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How to correlate CPU benchmarks to overall computer performance? [closed]

I am in the market for a new PC, and I know I can look up the CPU model name to see which one performs better in a benchmark test. However, how do I translate this into PC performance? What sort of ...
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Process tree CPU history usage, process tree memory usage (aggregated) on Windows 8.1

This question is general for Windows OS, but I would like to see a software for Windows 8.1, since this is what I use. I'm looking for software, that will take a process tree (e.g. Chrome.exe ...
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0answers
80 views

Processor wrong using Memtest86

I am running MemTest86 4.2 on a Mac Pro that has ubuntu installed on it. The /proc/cpuinfo file tells me it has two Intel Xeon X5550 installed as I expected. MemTest86 has Intel Core i7 2660Mhz in the ...
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1answer
96 views

Picking the right ram [duplicate]

I informed myself of picking the right ram, but there are still questions. I am currently running a AMD Phenom II x4 965 (Black Edition) on an ASUS M4A87TD EVO. I'm planning to switch my core as soon ...
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CPU is busy after installation of Geforce graphic driver 340.52 (NvNetworkService.exe= 12 % of cpu)

CPU is busy after installation of nvidia Geforce graphic driver 340.52 (NvNetworkService.exe= 12 % of cpu) Any body knows why? I have Dell XPS L502x laptop. This problem occurred just after ...
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Want to buy Asus H81M-PLUS motherboard and i3-4150 CPU; how to make sure it'll work?

I want to buy an ASUS H81M-PLUS mainboard and an Intel i3-4150. The CPU is an Haswell Refresh CPU, but the mainboard needs a newer BIOS version to support the CPU. I expect it won't be shipped with ...
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Best factor for determining the bettering of CPU [duplicate]

First of all, if my English is not good please pardon me. Now the problem; when comparing many CPUs with each other, which factor is the best one? For example, there are many various types, like, ...
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791 views

CPU power more than motherboard support wattage

I have a hardware question. I'm trying to build a shuttle computer . The power specs on page 4 says it can handle only max 65 watt processor. Every processor I'm looking at is over that wattage. ...
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Computer doesn't start after installing new Corsair DDR2 RAM

I have a new memory stick (CORSAIR 2 GB of RAM) and I have an older set of 2 sticks of RAM that are 512MB and 256 MB. (I bought it 1GB actually but the Computer tells that it has 256MB of RAM only). ...
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DELL Inspiron lapton has CPU failure. What can I do?

My DELL Inspiron isn't starting at all. When I power on it beeps 7 times and I know this means CPU failure. What can cause CPU failure? Is necessary to buy another CPU? Can CPU failure cause high ...
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Laptop “thinks” it's overheating, shuts down itself

Short version: When I turn on the laptop fans go full speed even though the the laptop is ice cold. After about 20 seconds it shuts down itself which I guess it's "thinking" CPU is overheating. Long ...