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

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How can I find the amount of floating point operations for each Mhz for processor X?

I've decided to buy a certain processor (laptop Intel-Core-i7-4790K 4Ghz-4.4Ghz turbo), but it pains me that I can't tell how many GigaFLOPS(GFLOPS) the processor actually has. I also can't find how ...
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what are the model name of 3 SISD Processors in the past? [on hold]

I want the name of 3 SISD Processors, which I'm not finding anywhere. Only found IBM 3033, if thats correct. Really appreciate your answers.Thank you.
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1answer
9 views

VirtualBox can't create 64-bit VM after reboot

Host: Windows 7, 64 bits. Processor: AMD Phenom II X4 965, quad core, 64 bits Since I upgraded to VirtualBox 4.3.1.16 I am having this issue. After installing the VirtualBox exe I can create 64 bit ...
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1answer
22 views

Differences between Intel i7 “M” and “U” series

What are differences between M and U processors? I know about: core voltage TDP socket price But is there something more? Some architecture differences? Can 2.1GHz U-series processor replace ...
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0answers
9 views

Power surges after installing graphics card

Power surges happen a few times a day (I think this is already an alarming rate) when I play games, say The Sims 4. When I play, the computer just reboots then my ASUS Motherboard tells me that it has ...
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1answer
31 views

Putting i7-4790K under full load causes triggers a hard reset (computer shuts down with no error message)

I have a brand new system with an i7-4790K on a GA-Z97X-UD5H. I'm using the stock heatsink/fan, and my PSU is a gold rated 450W Rosewill. There is no graphics card. The CPU is not overclocked, all ...
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1answer
27 views

Where to get accurate cpu temprature readings?

I am trying to read my cpu temprature under full load (After overclocking by 0.3 ghz). For this I have used CPUID HWmonitor, Core Temp and SpeedFan. CoreTemp and HWmonitor seams to show good ...
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1answer
33 views

Does the Windows 98 OS/shell use the CPU to write to the framebuffer/display?

I mean does it use the CPU to access MMIO to put pixels on the display without having other hardware (e.g. GPU, etc.) follow-up after it. When Windows 98 boots, it loads an image by whatever program ...
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0answers
25 views

AMD processor better for Virtualization [on hold]

I am looking to buy a new desktop to run up to 4 VMs at the same time and I am trying to gather advise from those who have used AMD processor to run multiple VMs. Intel processors are a bit expensive ...
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0answers
15 views

What is more important on a cpu? [duplicate]

What should be the criterion upon I should decide whether or not to buy a processor its speed? or the number of cores? meaning should I seek out a processor which is fast but has 2-3 cores or is it ...
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1answer
20 views

Difference between CPU and processor [duplicate]

Is there any difference between the terms 'Central Processing Unit' and 'Processor,' or are the terms interchangeable?
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12 views

How to limit number of CPUs in Mathematica

Is there any way to limit the number of usable cores from within a mathematica program? Here is the long story: I am submitting some batch jobs to a server. During the submission, I need to indicate ...
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0answers
29 views

Will my cpu (E7500 core 2 duo) bottleneck r7 260x?

My pc specs are E7500 core 2 duo nvidia 9500 GT 1 GB DDR2 4 GB DDR2 ram I want to upgrade my graphic card and I am choosing between r7 260x and r7 250. I am worried that my system wont be able to ...
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0answers
21 views

Should you worry about high voltage and wattage on a non-overclocked computer?

I've been wondering if I should be worried at all about high wattage or voltage on a non-overclocked computer. I say non-overclocked because when I Google search this question or something similar it ...
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0answers
19 views

How can I limit the speed of the chasis fan on an Asus M5A78L-M LX PLUS?

I was working on an Asus M5A78L-M LX PLUS motherboard and I replaced the chassis fan with something a little bit quieter and with more CFMs. However, once installed, it was very noisy and it was ...
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1answer
16 views

Will this processor be compatible with my PC?

I have an Advent T9508 PC with a Foxconn 45CM motherboard. The processor that the computer came with when we purchased it many years ago was a Core 2 Duo @ 2.2 GHz. I found a Core 2 Duo 3 GHz E8400 ...
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1answer
42 views

Can OS X run in an x86 emulator?

I have never heard of nor seen OS X operating systems running within x86-64 emulators. Is this a reason? Windows, Linux, etc., and plenty of hobbyist OSes work on x86 emulators (even SkyOS); however, ...
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46 views

What are fundamental advantages or disadvantages of the PowerPC architecture versus x86? [closed]

Why was PowerPC being used more in certain applications, while x86 has become the PC-standard?
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1answer
39 views

lshw shows wrong CPU count

I have a Samsung NP550P7C laptop with an Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz Under Ubuntu 12.04 32bit, lscpu and /proc/cpuinfo detect 4 CPUs but lshw only shows 2 CPUs Could there be some sort ...
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26 views

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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132 views

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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Ubuntu 14.04 hangs at “[2.688088] Switched to clocksource tsc” (Intel Pentium 4)

I installed Ubuntu Server 14.04 on a Pentium 4 machine but booting the System hangs at: [2.688088] Switched to clocksource tsc I've tried all the Grub kernel bootoptions listed in this post: Linux ...
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2answers
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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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21 views

Lag in Windows 8 when playing audio

I ran LatencyMon and these as the following results... CONCLUSION: Your system appears to be having trouble handling real-time audio and other tasks. You are likely to experience buffer underruns ...
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How do I make cpukiller3 app to AUTO RUN on boot with windows? [on hold]

cpukiller dot com is the site. But need it to auto start running each time I get the computer to boot. ON WINDOWS
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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 dont hatve that kind of wallet to be able to pull that out. is anyone of you that had this problem?? what I want to know ...
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0answers
27 views

Laptop shutdown(without any error) due to overheating [closed]

I am posting my issue too late than it started occurring. I have a sony vaio with intel core i3-370m,4gb ram,500gb hdd and 1gb amd radeon 5000 series gpu. Its more than 3 years old laptop but i used ...
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8answers
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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 4 Gb of ram and 2.3GHz quad-core and my iMac is even ...
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1answer
31 views

Difference between Instruction, operations and micro-operation (uop) [on hold]

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 ...
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2answers
33 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
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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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0answers
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Windows 8.1 High CPU usage when inserting a removable disk

I've been experiencing high CPU usage since I have upgraded my pc to Windows 8.1. When I insert a removable drive (e.g. flash drive) it makes my CPU usage all the way to 99%. and my Task manager tells ...
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0answers
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Server or workstation? how do I choose a good system for parallel computing of MATLAB software?

I need a high performance system for my MATLAB calculation. Besides the number of cores (logical cores) I need fast cores, high RAM (near 64GB), and a fast CUDA core Nvidia graphic card. I found that ...
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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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1answer
24 views

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
25 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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28 views

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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78 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
49 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 ...
1
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1answer
93 views

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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2answers
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Does this Motherboard support 2 Graphics Cards

hello i've just bought new pc gamer with this motherboard, i've already nvidia geforce gtx750 and i want to add another 3d graphic card, is it possible to support another one ? ps: my power supply is ...
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2answers
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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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286 views

worth upgrading macbook pro 2.5 for 2.8GHz processor?

I've just bought a macbook pro 15 inch with 8GB RAM, 500GB ssd, and 2.5GHz quad core intel i7 processor. I am using it for Lightroom and I also intend to use it to do some video processing, probably ...
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0answers
25 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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0answers
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Bigger cache size or more cores? [duplicate]

I know that there is similar question here. Reasons I post it again is because that question is quite old, so I hope so that I'll be able to get more info. Also, three years is really long period for ...
4
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1answer
60 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 ...