Questions tagged [cpu-speed]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0 votes
1 answer
167 views

Windows 8.1 64-bit, CPU is always on max frequency

I'm not sure this is the right place to ask such question but why not... I use a Toshiba laptop with Intel i5-4210U and my operating system is Windows 8.1 Pro 64-bit. For some months now, my CPU is ...
mr-fotev's user avatar
  • 101
0 votes
1 answer
257 views

Replaced FX 4300 with FX 4350, motherboard claims it to be incompatible

My friend got a FX 4350 and replaced his FX 4300, the gigabyte GA-78LMT-S2 motherboard is now claiming the old CPU is incompatible and it underclocks it, completely removing the purpose of using the ...
ben nottelling's user avatar
0 votes
2 answers
4k views

Why there are two speeds written on the CPU? [duplicate]

When looking on the details of some of Intel’s CPU, it looks for example like this: Intel® Core™ i7-6500U CPU @ 2.50GHz 2.59 GHz What is the meaning of each speed rate?
dan87's user avatar
  • 3
0 votes
1 answer
172 views

Software needs Core i5-750 2.67 GHz, my PC has Core i7-3610QM 2.30-3.30 GHz; will it work?

My mobile computer has the following CPU: Intel Core i7-3610QM - 2,30 - 3,30GHz 6MB 45W "Ivy Bridge" As far as I understand is my computer able to speed up to 3,30 GHz? I want to play a game run ...
tjati's user avatar
  • 609
0 votes
0 answers
1k views

8vCPU vs Octacore process?

Is 8vCPU same as Octa core processor ? For example at Amazon Servers I see 8 vCPU against c4.2xlarge. Is it a quad core processor ? So is one virtual CPU is equivalent to 1 core? Update:- Sorry i ...
user3198603's user avatar
7 votes
3 answers
8k views

Hidden differences between system power plans in Windows?

I was wondering if—aside from the settings listed in the Change advance power settings—do the pre-made power plans change any other hidden settings like throttling, CPU clock speed, etc? For example, ...
user avatar
-3 votes
2 answers
518 views

Is there any tool to measure speed of laptop and test laptop hanging before and after adding 8GB RAM? [closed]

My hp laptop having core i3 plus 4GB of RAM hangs on running one chrome browser with some tabs plus visual studio 2015. I just upgrade my laptop from 4GB of RAM to 4+8 GB of RAM. Now I want to measure/...
CoderMan's user avatar
1 vote
1 answer
2k views

Two CPU vs dual core?

Are two single-core CPUs (in a two-socket system) equivalent to a single dual-core processor? Can we also say two single-core CPUs have half as much processing power as a single quad-core system? My ...
user3198603's user avatar
0 votes
1 answer
499 views

Low speed of CPU after windows update

Problem: CPU speed after Windows 10 update don't rise up higer than 0.98 GHz. Windows 10 Version 1607 (OS Build 14393.51) Intel(R) Core(TM) i7-3537U CPU @ 2.00GHz Notebook: Asus K56CB Thank you ...
Woland's user avatar
  • 153
-1 votes
2 answers
2k views

CPU running at low speed

I'm using Dell Inspiron 15R N5110, which has Intel Core I7 2630QM. I recently installed Windows 7 SP1, uninstalling Windows 10. I ran Windows Experience Index and CPU-Z: and my CPU rating is ...
Saim Sajid's user avatar
2 votes
2 answers
2k views

Undervolting an AMD A8-4500M runnning Linux

I have a HP Pavilion g7 running elementary OS (based on Ubuntu) which is known to be loud and overheat.Mine doesn't shutdown but it does get loud which is very annoying (and 91°C with both Prime95 and ...
Suici Doga's user avatar
  • 2,187
-5 votes
1 answer
145 views

Would Celeron 1037U be enough to record 4 1080p video streams onto harddrive?

Would Celeron 1037U be enough to record 4 1080p video streams onto harddrive? I have personal NAS server which runs Ubuntu 14.04LTS. CPU is Celeron 1037U. Would that be enough to just pick up 4 ...
Dannyboy's user avatar
0 votes
0 answers
250 views

CPU Clock not precise?

I have an AMD FX-6300 CPU, non-overclocked. I have all power saving features such as C1E turned off in the BIOS. I have also disabled turbo-boost. At stock settings, this CPU should run at 3500Mhz(3....
You'reAGitForNotUsingGit's user avatar
1 vote
1 answer
807 views

My CPU frequency stays the same all the time, why?

My CPU(FX9590) clock speed stays at 1.37 GHz all the time even while gaming, but my maximum frequency is able to reach 4.72 GHz at most. I tried to change the clock speed through AI Suite II(I am ...
McR3v3n5's user avatar
3 votes
1 answer
2k views

Why is current CPU frequency read-only for root?

I have a program that provides benchmarks, but its OS agnostic and does not know how to read CPU frequencies. The test program is driven through a script. If I provide the CPU frequency, then the ...
jww's user avatar
  • 12.1k
2 votes
2 answers
2k views

CPU speed issue after upgrading to Windows 10

After upgrading from Windows 7 to Windows 10 I see a performance issue related to the CPU. As you can see from the screenshot, the actual CPU speed is shown as 1.18 GHz instead of the 2.27GHz that is ...
weismat's user avatar
  • 365
6 votes
8 answers
44k views

Cpu running half speed

While playing a game few hours ago I noticed my computer suddenly became incredibly slow. The windows task manager showed that the cpu was using half its capabilities. I have been playing this game ...
Mouloud85's user avatar
  • 161
1 vote
1 answer
973 views

How better is a desktop processor than a mobile processor?

Inspired by this question and its answer: What's the difference between mobile and desktop processors? The question and the answer are great to have some insight on the subject. But I'd like to ...
Vandervals's user avatar
11 votes
1 answer
4k views

Does a CPU clock frequency vary on-demand?

On my machine (not a personal computer), I have 4 cores (2.4GHz) and I currently don't have any important process running. Right now, are all of my 4 cores running/vibrating at 2.4GHz or are some of ...
Remi.b's user avatar
  • 2,641
4 votes
1 answer
4k views

Noisy CPU Fan in Linux Mint

I have a Dell Inspiron laptop with Windows 8.1. The CPU fan is quiet when I use Windows. I installed Linux Mint with Cinnamon on another partition, but the fan is noisy all the time when I use Linux ...
Rahul's user avatar
  • 41
3 votes
1 answer
3k views

How to fix CPU clock (for benchmarking purposes)?

How to make the CPU not change the speed (clock)? I want to compare execution time of some programs and need constant CPU performance (not necessarily high performance). The CPU in question is i7-...
David Balažic's user avatar
0 votes
1 answer
290 views

Concerning Dual Processor Motherboards

I've read about dual processor mother boards, but some things don't seem to make themselves clear. I have a few questions: Is a computer with two 1GHz single-core CPUs just as fast as a computer with ...
Schwunackle's user avatar
1 vote
2 answers
3k views

If a 32 bit CPU has a 64bit bus system, is it 64 bit or 32 bit?

Let's say the internal registers of a CPU are 32 bits wide. But the CPU has a 64 bit system bus and the two separate pipelines are receiving information simultaneously, is it considered a 32bit ...
Space Ghost's user avatar
  • 1,103
0 votes
0 answers
73 views

Why is Pentium 4 Prescott slow compared to Pentium M? [duplicate]

I was benchmarking if it is worth to put loop inside a callback function so I tested fourth order Runge-Kutta of on y'=y in C++, all with gcc 5.1 on Ubuntu with compilation command g++ -std=c++11 -O3 ...
user877329's user avatar
0 votes
1 answer
189 views

When reviewing software requirements, should we use the burst speed or normal clock speed

There is a piece of software I'm looking at, which has a minimum requirement of 1.6ghz (Visual Studio 2012) I'm looking at a new computer, and saw the CPU is described as 1.46 Ghz / 2.39 Ghz with ...
MyDaftQuestions's user avatar
1 vote
0 answers
3k views

Overriding "The speed of processor 0 in group 0 is being limited by system firmware"

My Thinkpad automatically locks the CPU frequency to ~1,5Ghz while the adapter is plugged in without a battery, as described in this article. I don't care whether the adapter can support it or not (...
user avatar
3 votes
1 answer
464 views

Why is my CPU running slower than it should be?

I have an AMD FX(tm)-6100 Six-core processor that should run at 3.30 GHz, however upon trying to overclock the processor (which I never got around to doing) I have found that it is running at 1.4 GHz ...
Dalton's user avatar
  • 31
2 votes
3 answers
15k views

Why does reducing CPU frequency improve battery life?

Shouldn't we have roughly the same battery life regardless of the frequency since the higher the frequency is, the faster tasks will complete so in the end the CPU, despite running at a higher ...
user avatar
0 votes
0 answers
320 views

Difference in performance between ARM and "traditional" CPU on Raspberry PI example

I'm not sure if my question fits here, but I will give it a try since it does not seem to fit any other StackExcnhange. New day ARM processors are slower (if you look at MHz - 500MHz in RPi case). ...
Gacek's user avatar
  • 223
-2 votes
1 answer
82 views

Need help comparing Laptops with best speed RAM

I am planning to buy Lenovo Yoga 2 11.6 Laptop, but I do not understand The difference between the RAM in comparison. Windows OS. Hard Drive. Thanks, Here is Screenshot. Link to screenshot. ...
user206168's user avatar
0 votes
0 answers
195 views

Why does my app run much faster on my laptop than my VPS?

I have a web application with a Ruby backend that does some stuff that is a bit computationally intensive. I develop and test the app on my rMBP with a 2.7GHz i7. I have the app deployed to a Linode ...
Huliax's user avatar
  • 121
0 votes
0 answers
29 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 ...
libathos's user avatar
  • 101
100 votes
11 answers
84k views

What's the difference between mobile and desktop processors?

I just read about the new Samsung Galaxy Note Edge having a 2.7 GHz quad-core processor and 3GB of RAM. The laptop I bought last year by HP is 4 GB of RAM and 2.3 GHz quad-core and my ...
DonnellyOverflow's user avatar
0 votes
2 answers
2k 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 ...
Josh's user avatar
  • 39
0 votes
0 answers
129 views

How to compute the total speed

I am hiring a VPS (Perfetto4) from Mochahost with 2 cores of 2,27GHz. The promissed speed is 2,7GHz total. The multiplier is 11. How do I calculate the total speed of CPU? Is 2 cores of 2,27GHz ...
Nizam's user avatar
  • 101
0 votes
2 answers
59 views

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, ...
user3724662's user avatar
0 votes
1 answer
2k views

CPU frequency is very low and system is very slow too in core i5 vaio laptop

Sometimes I notice that system is very slow and when I see task manager, these are information in performance tab: Utilization: 8% Speed: 0.2 Ghz Maxsimum speed: 2.5 GHz Hardware details are: ...
Morteza's user avatar
  • 321
0 votes
2 answers
376 views

How are CPUs so freakin fast

I am going through a book on C and it said "Write a program that counts from 1 to 300 million, printing the number only if it is a multiple of 100 million. Use a stopwatch for fun to time the program!"...
dsadsads's user avatar
  • 219
3 votes
0 answers
128 views

Utilizing the full power of my workstation

I am not a gamer. Used to be, 10+ years ago. My workstation is strictly for business: Quickbooks Excel Access General Business QuickBooks is tied to a synchronization engine that is synchronizing, ...
FurryWombat's user avatar
2 votes
0 answers
2k views

How do I underclock my Macbook AIR?

When my MacBook gets below 1% battery life I believe the CPU slows down. The battery indicator states I have 10 minutes left but those are the longest 10 minutes in the laptop cycle. Is there a way to ...
1.21 gigawatts's user avatar
-1 votes
1 answer
1k views

AMD FX 4130 overclock-How to overclock the CPU from the BIOS [closed]

Well I've been using my CPU for awhile now but I want to unlock it's full power but when it comes to CPU overclocking I've never been good with it nor taken the time to learn it from these bad video's ...
Scottynitro17's user avatar
0 votes
1 answer
955 views

Why is my CPU slowing down? (power settings and temperature are OK)

I realise others have posted similar questions, but I'm having trouble working out why my processor isn't running at full speed. I'll keep this visual. Given this: ...and this: ... why does CPU-Z ...
slugmandrew's user avatar
  • 2,498
0 votes
1 answer
198 views

Processor Throttling, Speeds and Battery life

Does throttling the CPU down give you more battery life? Does i3 give you more battery life over an i7? Just I've not had the options to really test this theory as it requires having the same laptops ...
Jason's user avatar
  • 4,056
2 votes
1 answer
3k views

How can I monitor CPU frequency on Linux servers?

At low CPU frequency, latencies can be higher or we may come to some wrong conclusions related to server capacity. Knowing the CPU frequency is important for high performance scenarios. In case of ...
Deven's user avatar
  • 291
1 vote
1 answer
798 views

CPU heating too much, cpufrequtils to limit its speed works weird

I am using an Intel i5 powered laptop and my OS is a 64 bit Linux Mint 14, kernel version 3.5.0-43. Up until now the CPU usage policy was ondemand and it usually was working at 2.40Ghz. In this setup ...
Radu Stoenescu's user avatar
1 vote
1 answer
15k views

What does cpu MHz mean in /proc/cpuinfo?

I own Quad-core Core i5 laptop. I got curious to know how much time it takes for my laptop to execute a simple instruction. So, I did cat /proc/cpuinfo. Below is the relevant portion of it, model ...
aamir's user avatar
  • 113
0 votes
1 answer
1k views

Disabling CStates/TurboMode in Windows

In Linux I know how to boot and have cstates disabled to get full CPU power. How is this done in Windows? Does it vary based on Intel and AMD?
Jason's user avatar
  • 4,056
3 votes
1 answer
42k views

Change CPU Clock Speed from Windows

How can I change the CPU clock speed of my computer? It is a Dell Inspiron 5720 laptop, running Windows 8.1 Pro. In Linux, I know there are ways of doing this from the operating system itself, instead ...
hkk's user avatar
  • 191
2 votes
1 answer
167 views

Is there a noticeable increase in computer performance moving from a Dual Core to an i5?

I have an i5-3470 3.2Ghz and 6GB or RAM. I also have a Dual Core E5700 3.0 and 8GB or RAM. Both use Windows 7 Pro. I am currently using the latter. I would like to use the i5, but as a developer, ...
johnny's user avatar
  • 2,003
0 votes
1 answer
94 views

Any rerefence of CPU world statistics? [closed]

I am looking for any referencee about computer power statistics across the world. My main interest is about real computing capabilities, so I'd prefer information about real processor power, and even ...
Áxel Costas Pena's user avatar