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Questions tagged [cpu]

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

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Does Intel Iris UHD 630 support 3 1080p monitors?

I'm building a set of office PCs containing the i5-8600 CPU. Most people use three monitors and I would like to avoid having a dedicated GPU. Intel claims to support a three monitor setup using their ...
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Which is better: i7-8559U or i7-8750H? Why? [on hold]

I'm a kid in high school looking for a laptop for college, and I need help understanding what makes a cpu better. These 2 cpus have come up in my research, and i'm not sure which one is better, mostly ...
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1answer
60 views

Task Manager does not show correct per-process CPU usage on Windows 10 1809

Under Windows 10 Pro for Workstations (Build 17763.55) Task Manager does not show correct CPU usage on a per-process basis. Processes that use up the entirety of the processor are reported to only use ...
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cpu heavy usage linux mint 19 samsung chromebook 3

Recently, I installed Linux Mint 19 on my chromebook, and after installation, the cpu usage spikes whenever I interact with essentially any application. I tried uninstalling packages, installing tools,...
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41 views

VT-x not available on i5-6400 CPU w/ Windows 10 Pro 64-bit

I have an Intel Core i5-6400 CPU installed on a ASUS Z-170A mainboard. According to the documentation of my CPU, this CPU supports Intel Virtualization Technology (VT-X) and it is listed as ...
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Motherboard Socket LGA 1150 - What is the fastest and best CPU available for this machine? [closed]

as the title suggests I have z97-p motherboard with that cpu socket. Currently there is a 4790k that I believe is only 4 core but is pretty fast (4ghz standard and can be overclocked if needed a fair ...
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2answers
106 views

Does a USB-C graphic adapter need as much CPU power as a USB 3.0 adapter does?

I have an i-tec USB 3.0 4K Ultra HD Display Adapter - Display Port from which uses a display-link driver. However, this setup uses a huge amount of processor power as it emulates a graphic card. I ...
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5answers
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Can Windows make use of 16+ core processors? [on hold]

There's currently a number of processors on the market with 12, 14, 16, 16 32 cores (AMD Threadripper, Intel i9) and so on. Can Windows 10 even make use of this power? We know that it can support up ...
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1answer
24 views

CPU Frequency Scaling BASH Script

I've written a script to run when my PC starts up and it's supposed to overwrite "energy_performance_preference" and "scaling_governor" with ones that have different values. What's happening is only ...
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0answers
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Assembly, Registers and Stacks; what do they do, do they do things? Let's find out [closed]

So, I am more or less voluntarily learning NASM, and I have problems finding sources that really explain it. Unlike with Java or C# I can't just use google as well, since Assembly just isn't used by ...
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Math Processing Unit [closed]

Lately I learned compute shaders in Unity3D, I could suddenly do many more calculations on the GPU per second than I could on the CPU, provided that I could write them to be tasks that run with many ...
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Is i7-940XM compatible with rPGA989 socket?

Is the Intel i7-940XM compatible with a rPGA989 socket? My laptop is a ASUS K52JT with a Pentium P6200 processor. Can I replace it with i7-940XM? If I can, at which frequencies can I run it? The ...
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3answers
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CPU usage at 100% but tasks using it are not showing

My CPU usage is at 100%, but when I open task manager, there are no tasks using 100% of its processing power. This is what I mean: I've sorted the apps in descending order of CPU usage. Adding them ...
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1answer
43 views

How does multithread work when hardware has 4 cores and software app has more than 4 threads

Let's say I have a processor with 4 cores and 4 threads and an application with 20 threads that I need them to make constant checkings (let's say they are events), how does the processor run all ...
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1answer
59 views

CPU Does not run at full speed

I've been experiencing a problem with my processor's speed lately. The CPU is running 797MHz, instead of it's full performance. In the past, it's been running well, until yesterday when it suddenly ...
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1answer
42 views

Intel 3570k OC's to higher ratios with more stability than 4670k; Any cons to reverting?

My generous friend recently left me his old PC which included an Intel 4670k. I recently began using software to OC my old PC's 3570k and was thrilled to learn that 5 years into it's life (without ...
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1answer
51 views

Minimal CPU and memory usage during concatenation, future advice need

I'm joining two 4K Prores422 HQ MOV files, a short spot (1GB) and a feature film (220GB). My current fps is around 9.0 and according to activity monitor my CPU usage is at 0.34% and only 5GB memory ...
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1answer
90 views

Windows 10 Task Manager: CPU Speed Rises Above Maximum Speed when overclocking

I've seen the previous thread, but it's quite different as I've overclocked my cpu to 4.7GHz in UEFI keeping turbo boost enabled. Here's what the Task Manager is telling me: The CPU shows up as 5....
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0answers
25 views

Measuring Intel Atom total power consumption

I have Intel Atom notebook with integrated Intel HD graphics. I want to measure total CPU + GPU wattage while running a game. To do so I'm using RTSS + HWInfo. There are CPU Package Power and GT Cores ...
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45 views

What's with i7 7700 throttling?

Hardware: Motherboard: Asus H170-Pro CPU: i7 7700 (Stock cooler) GPU: ZT-P10810F-10P (ZOTAC 1080 Ti AMP Extreme Core Edition) RAM: 16GB Software: Windows 7 x64 AIDA64 Extreme Games Issues: Why ...
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Win10: How to lock a program to always run with only one CPU core?

I'm having trouble playing the 1998 game Heroes of Might and Magic 3 Complete (HOMM3 Complete) on a modern laptop with Windows 10 Home (bought in 2018). The game sometimes (rarely) crashes, when much ...
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0answers
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Startup problems with desktop, indicator light not blinking, no error on monitor, blank screen

I'm having this erratic behaviour with my new PC. CPU/Processor: Intel i5-8400 Memory: DDR4 16 GIGS Kingston Hyper X Furry Video Card : NONE Operating System: Windows 10 64 bit Hard Drive: Samsung ...
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2answers
62 views

Can I use Intel RAM on an AMD CPU? [closed]

I'm building a PC and I bought an AMD CPU and 8 gigs of RAM, the RAM says that it supports Intel, can I still use it with an AMD processor?
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Motherboard temperature

So last night my Speccy software showed that my motherboard was 125 °C i did not believe that and i restarted my computer, yet it still shows me 125 °C. So i just closed my computer and next day i ...
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1answer
238 views

Can I install Windows 8.1 on my laptop with an Intel i5 8250u CPU?

Recently I got a new laptop, the Dell Inspiron 15 5570 with the following specs: Core i5 8250u 1.6 GHz 4 GB DDR4 AMD Radeon 530 2 GB GDDR5 Before this I was using an old PC with Windows 7 on it. ...
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2answers
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CPU: What is more important when reading from HDD, processor speed or number of cores?

I am considering which NAS to purchase, a Synology DS418play or DS419play. The former has a Dual Core 2.0 burst up to 2.5 GHz, and the latter has a Quad Core 1.5 burst up to 2.3 GHz. In either case, ...
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1answer
28 views

Filling gap between heatsink and case in minicomputer

I just bought an Ollee 52030 - Ultra Mini Range Smart Cloud PC, a fanless minicomputer. A copper plate appears to be the processor's heat sink. I would like to move heat from the copper plate sink ...
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1answer
37 views

Real cores or threads in an i5 7500T?

They say an i5 7500T has 4 cores (so, in this case 4 threads). When I, for instance, calculate the 1 millionth Fibonacci number (single thread only, every number is dependent on its predecessor) using ...
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1answer
44 views

Asus UX501VW - System Eating CPU

Last few days I have a serious problem, my laptop suddenly started to eat CPU with the System process. After a research I have found out its the ACPI Thread in it. HAL.DLL is also linked in it by the ...
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2answers
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Find core used from CPU utilization?

I have average and peak CPU utilization(in percentage) of a linux server with me . Mainly couple of web apps are deployed on the machine. I need to decide what AWS machine suits me based on that. AWS ...
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Windows 10 randomly freezing after upgrade to AMD FX-8350 CPU

Windows 10 is randomly freezing after upgrading to an AMD FX-8350. The previous CPU was a quad core AMD FX 4300. There were no freezing issues with the previous CPU at all. The PC specs are: ...
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1answer
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Upgrading my notebook's CPU to one more powerful yet more power consuming

I have a hardware question. My notebook is a Dell Inspiron 1470. I'd like to upgrade my CPU from the original one to a more powerful one but I wonder if the significantly bigger power consumption is ...
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0answers
39 views

Newly bought hardware won't boot, how to power up motherboard without cpu?

I have bought an ASRock A320-DGS motherboard and a Ryzen 5 2600 CPU. After assembling all of the components together, when I tried to boot the machine it would not boot (PSU turns on and so does the ...
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B450 Elite MOBA turns on for half a second

I've just built a PC and apparently not as simple. Specs-B450 mother board, A8-9600 cpu, GTX 1060 GPU, Thermal take 650W P/S, 2x 8GB RAM. The issue being, when i plug the power supply into the GPO (...
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1answer
211 views

How to control CPU Usage of ntoskrnl.exe!MiWalkPageTablesRecursively

Following the post on tracking high CPU usage by the kernel, I thought I had debugged an issue that had been plaguing me, namely 20-30% consistent CPU usage by the System process. See my previous post ...
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45 views

Computer runs faster on non-focused items?

I have all of the resources to run just about anything with this computer, and haven't deleted anything important to my computer's well-being. Whenever I open a webpage or game, I have to change the ...
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1answer
44 views

All 8 cores at 100% usage but frequency isn't max?

I'm compiling something with -j64 to allow multiprocessing (88 was recommended, but I felt that was too high). All of my cores are consistently 100% usage, however the frequency of the processor isn'...
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0answers
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“.NET Core Host” hogging CPU

Since yesterday, on one of our Windows Server 2016 machines (hosted on Amazon AWS) we're seeing a spike in CPU utilization. The culprit seems to be ".NET Core Host", in fact if I check the task ...
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1answer
29 views

Which port is the power supplier of CPU Fan

I'm DIY a PC and met issues like below: I'm confused about the interface in black color and white color. Which one is actually for CPU_FAN?
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17 views

No display after changing cpu/processor

I am running the following specs: Motherboard: Asus H61M-C Processor: Intel Pentium G2030 (Ivy Bridge) @ 3.00GHz RAM: Kingston HyperX Fury 1600MHz 8GB Blue GPU: Palit GeForce GTX 750 Ti StormX Dual ...
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1answer
38 views

Can i core 2 duo processor support 1Gbps broadband speed?

Attached images are my computer details. I am currently on a 1Gbps broadband speed plan and my 2 year plan will be due next month. However, since I signed up the plan, I have never been able to ...
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0answers
22 views

Why is my CPU at max clock-speed

so this is my first time doing this so please bear over with me i have a rog strix z370-e with a i7 8700k cpu and after i last turned it on, it now runs at max clock-speed (4000-4400+) all the time ...
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0answers
19 views

How to parallel windows pc in same network?

I have some windows pc in my local network, each of them have 8 cores cpu. I have program that takes lot of cpu resource, so I want to parallel it on all of the pc. Right now I running my program ...
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Hot CPU in ubuntu 18.04

I have problem in ubuntu 18.04 which was not occurred in ubuntu 16.04. My CPU got so hot nearly 70 degree Celsius and fan is running at maximum speed while there is no process running. I wonder if the ...
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1answer
37 views

Hyperthreading and how applications benefit from it

I have been interested in hyper threading and how can applications benefit from it. From what I have read, hyper threading is directly managed by the operating system and it is related to how virtual ...
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1answer
46 views

Extra CPU usage by Windows 10

I've have been using windows for such a long time but having a doubt that why would cpu be used even during idle . Please check the screenshot How could be that be possible only one user is logged ...
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1answer
31 views

Is there any way to speed up my CPU performance?

I am using a relatively (from a technical view) old notebook from 2012 (Asus Zenbook UX32VD) which is using an Inte Core™ i7 3517U Processor. Unfortunately, it only has one HDMI Video-Out. For the ...
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0answers
46 views

i7-7700 - Am I missing some cores?

According to the information on the intel website, the intel core i7-7700 CPU @ 3.60GHz has 4 cores. When I have a look into my system information at msinfo32 it tells me that I have 2 Core(s), 4 ...
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1answer
80 views

Which is hotter (in temperature): i5 or i7? - 8th gen, both 15W [closed]

I'm specifically interested in the i5-8250U vs its alternative, the i7-8550U. I've seen this review about a Thinkpad that has been tested thoroughly with the i5-8250U processor. But right now where I ...
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1answer
58 views

How to undervolt a laptop CPU

I have a Dell Inspiron 7559 laptop and it's processor is core i7-6700HQ. I have read some articles about undervolting the CPU and its benefit and I want to do it for my laptop. I have some ...