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0answers
20 views

why is a laptop with dual core processor with 2.4GHz more practical than a single core 4.8GHz processor?

Hi I am looking to get a laptop but I have been reading that dual core processor with 2.4GHz is better than a single core 4.8GHz processor. Could someone explain exactly as to why that is?
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0answers
7 views

Relationship between Motherboard FSB and SDRAM Memory memory clock speed

I need to know what is a Relationship between Motherboard FSB and SDRAM Memory memory clock speed? ...
2
votes
1answer
919 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 ...
0
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2answers
137 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 ...
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votes
1answer
36 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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2answers
7k views

what is the difference/similarity between MIPS and FLOPS?

I believe both MIPS and FLOPS are metrices for calculating processor speed. What is the difference between them? Are they in any way related or dependent on each other?
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0answers
35 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 ...
0
votes
0answers
11 views

CPU frequency scaling max frequency

I'm able to cap the frequency of my laptop to 800MHz, but I notice the cpu usage almost doubles. Are there any long term negative effects to not letting the cpu manage it's frequency dynamically? I ...
2
votes
2answers
3k views

How to compare Intel and AMD Processors when different sites give such different rankings?

How can I get reliable information on the actual speed in practice of different processors? For example, I'm comparing 2 laptops with these processors: Intel Core i3-2310M AMD A6-3400M According ...
3
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4answers
4k views

Multi-core CPU: can I say I have a 3x2.1GHz=6.3GHz CPU?

I have an AMD A6-3500 three-core CPU. AMD System Monitor shows each core with a maximum 2100 MHz. This also shows in AMD OverDrive. Does this processor run at the speed 3*2100 MHz? Edit Can I say ...
5
votes
4answers
28k views

Why is my CPU speed lower than it should be?

I have an Intel Core 2 Duo E6400 that should run at 2.13 GHz but when I boot my computer, the BIOS shows a CPU speed of just 1.6 GHz (I removed the BIOS/motherboard logo screen so I can see the ...
1
vote
1answer
53 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 ...
3
votes
1answer
174 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 ...
0
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1answer
178 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?
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2answers
2k views

AMD Phenom II core speed keeps going up and down, cool & quiet is off

I have an AMD Phenom II X4 955 that keeps going up and down between 800mhz and 3.2ghz. The multiplier also goes up and down between 4x and 16x. It does this several times a second regardless of load ...
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7answers
12k views

Has CPU speed already broken Moore's law?

I remember sometime around 1995 having a computer with CPU speed of 75 MHz. Then a couple of years later around 1997 having one that was 211 MHz. Then a few years later around 2000 having one that ...
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4answers
25k views

How to get an ARM CPU clock speed in Linux?

I have an ARM-based embedded machine based on S3C2416 board. According to the specifications I have available there should be a 533 MHz ARM9 (ARM926EJ-S according to /proc/cpuinfo), however the ...
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vote
1answer
52 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 ...
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5answers
721 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 ...
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0answers
77 views

IPC CPU Comparison

From what I've read, the apple cpu's from phones are faster than snapdragon's cpu's due to Cpu IPC. Does somebody knows what IPC has A9X, snapdragon 810 and snapdragon 820?
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vote
1answer
178 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 ...
8
votes
1answer
651 views

Does a CPU clock frequency vary on-demand?

On my machine (not a personal computer), I have 24 cores (2.4GHz) and I currently don't have any important process running. Right now, are all of my 24 cores running/vibrating at 2.4GHz or are some of ...
2
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4answers
785 views

Multi-core processor speed

Might be a basic question: is the clock rate (1.7 GHz, etc.) that is mentioned for multi-core processors (e.g., Intel i5, i7) the clock rate per core, or it is the total speed of all cores combined?
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0answers
395 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 ...
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2answers
456 views

Using Server CPU for Desktop Applications

Though it's a n00bish question I haven't found any clear answer anywhere even after long days of googling. Recently I am planning to use an AMD Opteron Quad Core 2350 for my home lab. I'll not run it ...
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11answers
44k views

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 4GB of ram and 2.3GHz quad-core and my iMac is even ...
0
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1answer
68 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 ...
0
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0answers
37 views

Trinity A6 AMD APU's support 2033 or 2400 MHz DDR3 RAM?

I own an APU A6-4400M with the defaul HP memory: DDR3 800 Mhz ~ I heard that increasing the memory to dual of the same size and speed increases CPU and GPU performance a lot due to Dual-Channel ...
0
votes
1answer
128 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 ...
1
vote
2answers
319 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 ...
0
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0answers
37 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 ...
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0answers
801 views

What specs should I consider for playing/streaming 4K to 8K video perfectly? [closed]

I am buying a massive, 4K screen, and might consider one closer to 8K instead. Since these screens are very capable of rendering the full brink of every pixel sent to it by a powerful GPU, what specs, ...
0
votes
1answer
57 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 ...
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2answers
7k views

Mobile CPU vs. Ultra-low voltage CPU: performance [closed]

I'm choosing a new laptop and one of the questions is a type of CPU — mobile or ultra-low voltage. If to be more precise, I'm torn between two models of Intel Core i5 — i5-2410M (Sandy Bridge) and ...
0
votes
1answer
629 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: ...
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3answers
4k views

How is CPU clock rate maintained?

I was reading an article Clock rate from wikipedia which has to say that: The clock rate typically refers to the frequency that a CPU is running at. The clock rate of a CPU is normally ...
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7answers
2k views

Why are modern CPUs “underclocked”?

I keep reading since years about magical overclockability of modern CPUs. It is said that CPUs (with open multiplier) which are shipped to customers with (let's say) preset 3GHz, can be overclocked ...
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votes
3answers
2k 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 ...
0
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0answers
123 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). ...
1
vote
1answer
3k views

How are GHz in multicore processors computed? [duplicate]

Possible Duplicate: How fast is each core in a dual-core processor? I am debating between two systems (for simplicity): (1) 2.9 GHz dual core processor (2) 2.3 GHz quad core processor ...
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votes
1answer
70 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. ...
0
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0answers
98 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 ...
0
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0answers
18 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 ...
0
votes
2answers
118 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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2answers
1k views

How to change PC clock speed for individual programs?

We have some older programs (no source code anymore) that run too fast on CPUs with faster clock speeds. I'm guessing that they were written using software delays ('X' number of CPU instructions per ...
0
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0answers
52 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 ...
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3answers
2k views

Hypothetically, can I swap processors between a smartphone & a desktop?

When manufacturers mention the speeds of smartphone processors, is it right in my understanding that the speeds between smartphone processors and desktop processors are comparable? In other words, ...
0
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2answers
38 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, ...
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0answers
112 views

Windows 7 - Acer Aspire M5811

I have a problem with my Windows 7 Desktop PC. Today I used it normally and it turned off normally to, but the next time I tried to turn it on, it became extremely slow. It's normal until I need to ...
2
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1answer
19k 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 ...