Questions tagged [cpu-speed]

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“1.0 GHz with turbo boost up to 3.6 GHz” — acceptable processor clock speed?

I have been using a laptop with 2.3 GHz processor clock speed so far, which has been sufficient for my needs (which peak at some intensive programming, e.g. ML). I'm looking for a new one right now, ...
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1answer
28 views

Intel chip ALWAYS above base clock speed

My Intel chip is constantly running at a speed close to its max turbo frequency, even when the machine is relatively idle. I recently had an issue with it running too slowly, and followed this advice,...
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1answer
53 views

intel_pstate locks CPU to 400 MHz for Intel Xeon E5-2650 v4 on CoreOS

Hardware: 4 Intel HNS2600TPR in one chassis on 2 power cords, Each with 1 Intel(R) Xeon(R) CPU E5-2650 v4 @ 2.20GHz, 128 GB RAM. [root@sigma02 Linux_X64]# dmidecode # dmidecode 3.2 Getting SMBIOS ...
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1answer
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How to avoid FPS drop on games after the laptop battery dies?

I am having an FPS drop when I play games (e.g., League of Legends). When I bought my Laptop PC (DELL INSPIRON N5110) I didn't experience the FPS Drop, it was around 60 FPS and stable. It started when ...
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0answers
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Running intensive GPU task reduces CPU frequency in atom x5-z8300

If I run an intensive CPU task, the CPU frequency is reduced (as expected) to reduce temperature: but when I run an intensive GPU task, the cpu speed is reduced to minimal No significant difference ...
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0answers
19 views

CPU starts quickly but then runs at half clock speed

Help please! I have a HP Pavilion dv7-3100 series laptop that I bought about 8 years ago. It has worked great until I recently changed my screen after a month or so of procrastination. It worked just ...
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2answers
63 views

Why does my CPU have a much higher speed than it's core speed of 1.6GHz?

My CPU, Intel(R) Core(TM) i5-8250U @1.6GHz averages around 2k GHz and I'm pretty sure the CPU is unclock-able. Why? Could it be possible that is caused by my laptop being constantly plugged in? The ...
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51 views

Reducing CPU load/speed in FreeDOS

I have recently installed FreeDOS on my old laptop, but the CPU is too fast for when I want to play games. Is there an option for me to reduce the CPU speed, so I can play retro games at normal speed? ...
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0answers
7 views

Increase cpu clock in high demanding apps without setting it at 100% all the time

I have an issue with my CPU (i7 6700k) running too low when using audio softwares. It runs at about 1.5ghz instead of 4ghz, which causes audio cracklings and drop-outs because my DAW uses over 70% of ...
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1answer
59 views

is there a command to accelerate CPU?

I'm running the code for object detection using OpenCV, the number of frames is not enough to move the robot smoothly. So, I'd like to accelerate the CPU more when the robot moves. when we use jetson,...
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1answer
46 views

Which component is responsible for adjusting the CPU multiplier?

I am preparing a school presentation about underclocking/overclocking and have read several articles about the CPU multiplier during my research. Some of the articles have claimed that the CPU itself ...
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61 views

Alienware 15 R4 2018

I bought an Alienware 15 R4 in 2018. I heard a lot about it being too noisy due to the fans always being on because of excessive heat, and for this reason it is under performing. I was going to ...
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0answers
140 views

Hyper-V: combine physical cores to virtual CPU to increase performance (GHz) [duplicate]

I am quite sure, that I am mixing up some terms, but I will try to ask: As we are using a quite old software, which does not support multithreading, I was wondering, if it is possible to increase the ...
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0answers
125 views

CPU running to slow

My laptop's (a Dell Studio XPS) CPU appears to be being throttled. It's an Intel Core Duo P8600 2.4hGhz running windows 10. Perf mon is reporting its speed as 1.58Ghz rather than 2.4Ghz The temp is ...
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0answers
87 views

Task Manager never reports CPU usage above 51%, even when running CPU benchmark tools that should max out the CPU

My laptop (HP envy 15 x360 ar052na) never seems to be able to use more than 51% CPU usage, according to Task Manager. I've tried adjusting power plan settings but nothing seems to work. Even CPU ...
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0answers
14 views

Choosing optimal server specs for MCMC computation

My research group is investing in a server to analyze human movement patterns using large amounts of cell phone usage data. We want a machine that is optimized for MCMC algorithms because we fit large ...
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1answer
117 views

Setting CPU Frequency on Amazon AWS

I've setup an EC2 Instance on AWS Amazon, and I'm trying to change the CPU speed of the cores by following these steps: https://software.intel.com/sites/default/files/comment/1716807/how-to-change-...
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1answer
573 views

Is it normal for my CPU to run at 1GHz higher than base clock speed? [duplicate]

I have the Intel Core i7-8700 CPU(non K version) and it's constantly running at much hicher clock speeds than it's base speed and I was wondering if that's normal?
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1answer
241 views

Pipelining increases clock speed?

So I recently taken interest in learning about computer hardware and thought you guys might help, I am referring Upgrading and Repairing PCs book and came across pipelining since I wanted to have a ...
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1answer
1k views

Gives TSX-NI an advantage for running virtual machines? [closed]

My question is about CPU architecture and the instruction set extension TSX-NI. For which usage scenario is it useful, and especially is it useful for web development or running virtual machines and ...
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1answer
1k views

Computer slows down when plugged in

Recently, whenever I plug in my laptop, the CPU slows down severely. Also, it isn't charging, as it says "plugged in, not charging". The CPU drops from 2200 Mhz, to 500 Mhz. I've changed the advanced ...
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1answer
246 views

The Silicon Lottery

While reading about overclocking processors and GPU I came across the term 'silicon lottery'. On trying to find out its meaning I was able to understand that it is related to being able to overclock ...
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2answers
65 views

Why does CPU speed variate even computing massively? [duplicate]

I realized that speed of my CPU is not constant even if it compute massively. The speed wanders from ~4,2 to ~4,4GHz in task manager. Why? I have two theorem: This is an average speed, and even ...
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2answers
320 views

How to do measure execution time of cpu?

I want to measure execution time of cpus and compare them like bencmark websites. as I know we have a formula for the calculate that. Execution time = CPI * I * 1/CR But I stuck at the formula. I ...
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2answers
233 views

My CPU won't run higher than 35% in all cores

I have a Dell XPS 15 with a Intel(R) Core(TM) i5-6300HQ CPU @ 2.30GHz, 2304 MHz, 4 Cores, 4 Logical Processors. I'm struggling with an issue where I'm running UserBenchmark tests and it's returning ...
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1answer
1k views

Weird turbo boost multipliers on Intel Core i7-8700

I've recently bought myself a new Intel Core i7-8700 and after installing it I noticed that it wasn't turbo boosting to the advertised ammount (4.6GHz) even when only one core was being used and the ...
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1answer
41 views

How can I decide the exact value for some parameters in computer hardware?

I am using two apps; Open Hardware Monitor and CPUID HWMinitor for monitoring various parameters of Motherboard, Processor, Graphic Card and Hard Drive. I noticed that value of a parameter in one app ...
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2answers
835 views

CPU speed running at 0.46GHz instead of maximum speed 2.2 GHz

My Lenovo laptop with an Intel i5 processor runs almost all the time at a very low speed (0.46 GHz) instead of maximum speed (2.2 GHz). I read related posts here and changed the power management ...
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2answers
65 views

Computer speed is very slow due to drive C is full [closed]

How to deal with slow speed problem due to no space in hard disk. My C drive is almost full. Only 1gb left. Computer RAM is 8gb.
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3answers
4k views

How change CPU multiplier on Lenovo Intel processor?

I bought new Lenovo laptop a week ago. At first it works very well but then suddenly it started to work very slowly. After installing CPU-Z, I found that the CPU multiplier is set to 4 (from 28). I ...
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5answers
13k views

What does “cost per bit” mean?

I am reading William Stallings' Operating Systems: Internals and Design Principles (Seventh Edition), and a passage about memory hierarchy got me confused. What does the author mean when he mentions a ...
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1answer
67 views

Barring Heat, What is the Upper Limit of overclocking [closed]

Except for heat, what governs the maximum a CPU or GPU can be overclocked? Perhaps the speed of the bus? I'm a newb.
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1answer
64 views

CPU speed lower then it especially when stressed

I have 2 identical PCs, i7-4790k, 32GB RAM running Win7 pro. When idle one runs at 4.4GHz (multiplier x44) but the other one (the bad one) show speed of only 4.2GHz (multiplier x42). The matter worsen ...
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1answer
1k views

Dell E7440 CPU frequency does not rise above 1GHz

I had notice a strange problem on my Dell Latitude E7440. Sometimes the CPU frequency never goes above 1.0 GHz (even when running some cpu intensive program, such as MATLAB), and the computer runs ...
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2answers
3k views

Dual-channel Mismatching RAM Capacity [duplicate]

I recently bought a new gaming laptop that comes with a single Ripjaws 16Gb stick. I've heard that having dual channel memory can actually boost your performance by about 7% or higher. I'm thinking ...
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1answer
482 views

Calculate clock cycles multi-core CPU + include Turbo Boost

How do you calculate the clock cycles a cpu can deliver (include Turbo Boost)? I need to replace a server CPU by a new CPU (with lesser cores, due to license costs). So I want to be sure the new CPU ...
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1answer
140 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 ...
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1answer
188 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 ...
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2answers
2k 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?
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1answer
136 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 ...
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0answers
780 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 ...
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2answers
4k 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, ...
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2answers
320 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/...
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1answer
736 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 ...
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1answer
445 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 ...
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2answers
1k 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 ...
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2answers
1k 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 ...
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1answer
87 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 ...
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0answers
118 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....
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1answer
467 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 ...