Questions tagged [cpu]

The part of a computer responsible for performing computations, often referred to as a processor.

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does the generation of a processor affect its speed or its the number of cores?

Am planning to buy a desktop for gaming and recently came across two processors, both are intel core i5, but one is 4th generation and the other one is third generation. These are the models... core ...
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Computer Hardware for Web Development

I hope SuperUser is the correct place to ask this question since it is likely related to hardware, but if not please let me know! I recently was hired at a marketing company to head the creation of ...
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Linux CPU scheduling - unable to utilize 100% CPU and two CPU intensive processes slow down

Ubuntu 20.10, kernel 5.x, 64GB RAM, Ryzen 9 3950X I do some computing on Linux because it is faster on Linux (due crap IO storage drivers in Windows that they didn't fix ever since SSD were introduced)...
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How can I start my PC even if CPU fan is not correctly placed?

I was cleaning my PC and remove the dust in it and I've removed all the pieces. When I tried to replace the CPU fan, I broke 1 of the 4 mounting clip to attach it. Now, when I tried to start my PC the ...
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Asus ROG Crosshair VIII Dark Hero - Memory from QVL - D.O.C.P. Standard - The system has POSTed in safe mode

I have just built my new computer with Asus ROG Crosshair VIII Dark Hero motherboard, AMD Ryzen 9 5950X CPU and Corsair Dominator Platinum RGB Black DDR4 3600MHz 4x16GB - CMT64GX4M4Z3600C16 (Ver4.31) ...
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How can I improve the computer performance? [closed]

My laptop is a 12 year old Compaq 610, 4GB DDR2, not upgradable chipset (Mobile Intel GLE960 Express), Core 2 Duo T5870, 320GB HDD and 240GB SSD, Windows 10 x64. System boots fast but performance isn'...
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Restore CPU Scaling after Resume from Sleep

Starting from boot, my computer responds to system load normally, with Windows 10 able to scale the processor speed higher or lower. But, after resuming operation from Sleep, the computer seems to ...
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CPU too warm for safety [closed]

I have a laptop where the CPU is at 60 Celsius frequently. I know that 60 Celsius does not mean the machine will fail, but I would prefer a lower temperature. I have watched several videos of people ...
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How to run 2 different computers with one CPU and using VMware [duplicate]

I have a good CPU i7 4.4ghz 16 GB ram and 6GB 1060 Graphics card. Also, I have an old i5 laptop. Is there any way for the laptop to run using my CPU resources simultaneously? I am short on funds and ...
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How many physical CPU Cores does Windows support? (Asked in 2021)

How many physical CPU Cores does Windows (amd64, not arm) support? So with "physical CPU Cores" i mean that a CPU with 4 Cores and Hyperthreading counts as 4 and not 8 Cores. Also with "...
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My Linux user cannot utilize 100% of all CPUs. (AI notebook, jupyter)

I have access to the Linux account (named jupyter), but when running certain commands, it cannot utilize all of the available CPUs.  Once I switch to another user I can use all CPUs. I use this ...
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No POST, no video, beeps without RAM. What is more likely to be bad: CPU or MOBO?

I bought a broken PC (HP p6320nl) from a classifieds site. When pressing the power button, fans spin, USB devices get powered and ethernet port blinks when a cable is attached. The CPU also gets hot. ...
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Can CPU die if it is not used long?

simple question, but I can't find a single person who asked it in any forum can a CPU die if not being used like an SSD or HDD? we are talking for 40 years or more I don't really think something ...
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Desktop restarts loop In vertical

Desktop fails to start, bios screen then restarts loop, or keeps power turning off and on. When kept horizontal pc seems to start, and keep running. What's the explanation for this ? Loose cpu ...
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Is 2240 RPM normal fan speed?

I have a stock CPU fan and I was wondering if my fan's RPM of around 2240 is considered normal or average. I should also bring up that my CPU temps right now is resting at around 25 degrees Celsius. ...
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HTOP on Ubuntu 20.10: Why do the CPU% in a process tree not add up?

I am looking at the below screenshot. The top-level python with PID 93006 is taking 200% of the CPU, but if I look at the process tree under it, I see only one child process (PID 93020) that is using ...
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Do CPU and GPU work *together* for rendering HEVC?

I have a home theater PC that I built 7 years ago. The CPU is fairly low-end (Intel i3-4360). It only has 2GB system RAM. I recently tried for the first time to play fairly high bitrate (20Mbps) 4k ...
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CPU speed fluctuates intensively when not running heavy task and turbo causes CPU throttling when playing games

My laptop is over 3 years old, I use it for a lot of heavy tasks and gaming and runs for long duration almost everyday. It has been perfectly fine for so long and meeting all my computing needs, until ...
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100% Cpu Utilization

the 100% cpu load is very annoying and make the device run hotter weather its a desktop or laptop also the programs crashes with weird bug . i have a Lenovo laptop G500 with windows 8.1 x64 bit ...
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8 pin and 4 pin CPU Power connectors on MSI MPG2390, blew out my PSU (CX750)

I have a continuation question on this thread: Do I need both the 8 pin and 4 pin cpu power plug for my MSI B450 Pro Carbon? I had issues with 9900K on an MSI MPG Z390 motherboard and an NVIDIA ...
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Cpu overheat for no reason

I have AMD fx-4100 quad-core with windows 10 LTSC 2019 X64 and with Comodo internet security with the last update. I play call of duty mobile with a game loop emulator and my maximum CPU temperature ...
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Lenovo G505s throttles for no reason, i have been troubleshooting for the last 2 months

I have a Lenovo G505s laptop that ive used for 8 years. These are the specs: AMD A8-5550M 8GB ram 5200rpm 1TB mysterious harddrive s/n CB26642447 windows Version 10.0.19042 Build 19042 bios version ...
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Make Virtual Box Faster on a 4-core laptop

This is a follow-up on this earlier question I posted. While the comments and answers provided clarified why increasing CPUs made my VM slower, is there anything I can do to make my VM faster with ...
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Is there a difference between Simultaneous multithreading scheduling different processes and different threads in a process? [closed]

I am investigating the technology of Simultaneous multithreading. But I found that SMT technology was proposed long ago. Until 2008, after Intel introduced the Nehalem microarchitecture, most Intel ...
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Why my laptop (ASUS N580) thermal sensors showing wrong temps with high-speed range of changing?

Hello i have a Vivo book Asus N580GD and 1 year after using this problem made for me that my system will be overheated i changed my thermal paste and now using Grizzly Kayronaut and also bought a deep ...
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CPU burnt with fumes, yet no visible damage

Until yesterday I had a small, homemade ethereum mining rig with 5 GPUs, 4 of which were "sticking out" of my computer (4 GPUs were connected via risers). Everything was going smoothly and I ...
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spotlight search results are all false and reseted through terminal, but spotlight still continues to absorb all cpu space? (Macos big sur 11.2.3)

I've tried many solutions, but all of them doesn't seem to work, ever since i did a ng generate component my-component an angular command for generating documents. after that command my laptops fans ...
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CPU with integrated GPU UHD Graphics 630 vs separate GPU

EXPLANATION I'm about to build PC from parts. I'm a software developer, so PC will be used for programming purposes mostly (PHP Storm, Visual Studio, Photoshop, Chrome 50+ tabs at time), I'm not a big ...
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Is it possible to use Windows 7 with B550/X570 motherboards and Ryzen 9 CPUs? [duplicate]

I understand that official support of Windows 7 ended a few years ago. However, I'm interested to know if any manufacturers (or users) have released fully-working drivers for B550/X570 motherboards or ...
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Does the commonly called “CPU frequency” reference the max or min value?

Below is the output of cpuinfo, its max frequency is 1785 MHz and min 300 MHz. That is a huge gap between them, and it is confusing What would be considered as the commonly referred to CPU frequency? ...
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How will leaving a computer to run overnight affect my CPU,Battery,iGPU,RAM,HDD? [duplicate]

Would anything happen to my computer if I left it overnight to download something, such as my battery life going down or something similar happening?
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PCIe lanes requirement on Z390

Even after reading several related questions and answers I'm still not sure if I got it right so I'm asking this just to make sure I am. I'd like to build s PC based on Asus WS Z390 PRO with 4 GPUs ...
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Safe temperature for CPU under constant load

I have an AMD Ryzen 3600 and decided to run BOINC on my PC when I'm not using it, the thing is, I want to contribute to the science projects but I don't want to ruin my computer in the process and the ...
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CPU temperature reaches 100 degree on stress when plugged in

My laptop runs fine when using battery and plugged in while normal use. But whenever I try to load some heavy software like android studio or install a game or run a game. The temperature shoots up to ...
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Blue screen. .dmp file interpretation?

I just got a new computer that far exceeds the system requirements for the game I was playing. The computer was not hot at all, but it crashed two different times with a WHEA_UNCORRECTABLE_ERROR (124) ...
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Ryzen 7 3800x not showed in sensors

I'm user of Ubuntu 20.04.2 LTS, Gigabyte B450 AORUS ELITE ATX v2. I tried to check temperature of my CPU but sensors showed nothing. I did sensors-detect, with "yes" everywhere and it did ...
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Are all cores in a CPU equal regarding speed?

While browsing the internet looking for information on virtual machine sizing, I came across the following comment: "AN Intel XEON Dual Core CPU has e.g 2 x 3000 MHZ. The Second Core is only 50-...
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does two processor of same generation i3 and i5 having same tdp have different or same peak power consumption?

Is the peak power of two processor of same generation and same tdp is different??? for ex 1135g7 @28watt tdp and 1115g4@28watt tdp. These processor have same generation. Is the peak power used by both ...
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Slight damage to LGA 1151 - Is it fatal/fixable?

Below is a picture of my LGA 1151 socket on a motherboard. 2 pins seem to be damaged, circled in red. I assume it won't work in this condition? Is it worth trying to nudge the pins back into alignment ...
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My dual-core Celeron-4205 is only showing 1 core. What happened to the other core?

Where Is My Another Cores My One Core Is Missing Please Resolve My Issue Please Reply Me Soon
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PC wont start after changing the case only

Changed my case recently Before the change it was working just fine. CPU and CPU cooler were not removed and now I am facing the issue where the computer won’t start and when I press the power-on ...
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CPU hitting 100% usage at every new task

So it's been a while since I upgraded my HDD to an SSD, and my disk is no longer the bottleneck. But for the past few weeks my CPU hits 100% if I open any new task. It doesn't matter what I open, I ...
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Linux system completely freezes “CPU Stuck for 22 seconds”/ Hardware Error?

I have got the issue of regular freezes on my ryzen 5 computer. It occurs across different distibutions and kernels. The freezes occur mostly when trying to suspend the system to ram, but also changes ...
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how to improve CPUs performance on a laptop

I have an HP EliteBook 8540w Mobile Workstation with Intel Core i7, 4GB RAM, 500GB of HDD storage and Windows 10. If I am doing a video conference, the CPU maxes out sometimes and i want to improve ...
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Does CPU 2GHz Intel Core i7 in MacBookPro 8,2 (Early 2011) support SSE4.2 ? If not, is there a way to make it happen?

First of all i have to say that i'm a simple user without any furhter knowledge. I have no clue about CPU's, SSE and programming or what so ever. I'm (or was) just a happy user with my smoothly ...
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Reboot Loop Can’t Get To OS

My computer when starting up loops and never gets a chance to get to the windows 10 load up. I tried 3 different ssd and hdd so I know it's not that plus a boot media to see if I can do a reset. No ...
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I'm unable to boot my Windows USB drive on my Mac. How do I do fix this?

I'm new to this community, but I've been into computers for a while. Lately, I've been trying to create a bootable USB drive with Windows installed on it that I can plug into and boot on my MacBook ...
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Motherboard issue

I installed a new cpu yesterday and swapped out the case of my pc right, i set up the new pc case and everything good but then i power on the pc and the fans turn on for like one second and then ...
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PC on and off loop , the longest it can stay is 30 minutes then automatically turn off and on again

Went to three repair shops - 2 said its motherboard & 1 said power supply when I request to repair the motherboard, but they don't have tools to confirm it if its really PSU issue. Asking one more ...
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High CPU when ALT+TAB to a Chrome tab playing YouTube video. Picture is frozen for a bit

So I was watching a YouTube video and I opened services.msc to check something. When I alt+tab back to the video, the picture was frozen for a bit while audio was still playing fine. I opened Task ...

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