A CPU (Central Processing Unit) is the chip responsible for actually "doing" most the instructions given to a computer.

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What CPU should I use? [on hold]

I am planning to upgrade my desktop at home and I don't know what fits best for me. Is it i3, i5, i7 or should I switch to AMD? I will be using it for multimedia(photo and video editing), software ...
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10 views

Is Intel(R) Core(TM) i5 CPU M 480 @ 2.67GHz processor compatible with this Inspiron 15 laptop?

Is Intel(R) Core(TM) i5 CPU M 480 @ 2.67GHz processor compatible with this Inspiron 15 laptop? http://www.dell.com/us/p/inspiron-15-3531-laptop/pd?oc=fndoc3001h&model_id=inspiron-15-3531-laptop ...
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1answer
21 views

What happens when KVM virtual machines try to use the same core of a processor?

I have many virtual machines hosted with KVM on a single server. The problem(?) is there are now more machines then cores of the processor. From what I found I cannot use more RAM then I have but can ...
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37 views

PSU/GPU/MOBO failing? I'm at a loss here

Here is my total system specification: System Information Time of this report: 11/22/2014, 21:41:56 Operating System: Windows 7 Professional 64-bit (6.1, Build 7601) Service Pack ...
18
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2answers
899 views

What is a PCI-Express Lane?

I am reading an article bemoaning i7-5820K Will Only Have 28 PCI-Express Lanes compared to its sibling processors having 40 lanes. Isn't 28 lanes already too many? How many lanes would a normal home ...
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2answers
40 views

Graphics card vs. motherboard compatibility [on hold]

I have an MSI FM2-A55M-E33 motherboard (also an AMD Athlon x4 750k quad core processor, 4GB RAM, and 520W power supply). Is an Asus AMD Radeon R9 270X OC DirectCU II graphics card compatible?
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0answers
29 views

System requiements for 1080p Videos on external full HD monitor from laptop? [closed]

System requiements for 1080p Videos on external full HD monitor from laptop without a full HD display? Particularly for Processor, min Ghz? With a) Nvidia CUDA OR ati radeon b) integrated GPU ...
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1answer
18 views

why does my Pc not able to power on

Am using windows 7 CPU till last week its working fine ,last week change the pc location to other from that time display wont come, but when power on CPU its getting on and also i checked the ...
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1answer
51 views

PC won't start. Not even to BIOS

I have a PC that’s just over a year old. Today, while playing a game, it suddenly shut down and I smelled a slight smell of something burning; no fire, don't worry~ After this “incident” my PC won’t ...
0
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0answers
26 views

What is next after we reach the smallest size in computational lithography? [closed]

I am sorry if this is offtopic or too general according to stackexchange rules. I would like to ask what will follow next if we reach at a point where the companies/scientists/engineers can't go any ...
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0answers
21 views

new hardware, pc won't display [closed]

I've just upgraded my cpu, psu and gpu, and now my pc isn't booting. I've 8nstalled the fx9590 8 core into the asus crosshair v formula. As the pc booted with no warning led's, i assumed it was the ...
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1answer
45 views

What makes a better CPU more expensive?

Example: I've a i5-3570k in my computer. ARK suggested price is $235.00 I've gone for a i7-3770k, but it's way more expensive, $342.00 Then you have a Intel Celeron G1820 for only $42.00 What makes ...
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0answers
22 views

Strange CPU/GPU 1 second stutter issue (video included)

I would be very thankful to whoever knows what causes this issue. I dont have much to explain but as you will see in the included video clip the computer stutters exactly at the same time as the Real ...
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3answers
45 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 ...
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0answers
40 views

Processor benchmark comparison between intel i7 950 and i7-4770k [closed]

I plan to purchase a new computer (new processor -> "i7-4770k 4Ghz") only because I want more power regarding calculation. I have a java program that does a lot of calculation and I have an older ...
0
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0answers
21 views

Which of these systems will perform faster, and which would you recommend? [closed]

I'm on a budget of £300, and was wondering which of these is the best option in terms of performance. I already have an SSD and Graphics Card which I will install into it. This is the first one (AMD ...
2
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0answers
30 views

Troubleshooting processor upgrade, Paxville on Dell Precision 670

I've got a Dell Precision 670 with an XC837 motherboard and BIOS at version A07. I'm trying to upgrade this from using a single-core Celeron to a dual-core Paxville processor. When I install a single ...
0
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0answers
21 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). ...
0
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0answers
27 views

How to get more BCLK from non-k Corei5 cpu Haswell

I have a Core I5 4570 Haswell with Cooler Master CPU cooler with Asus Z87-plus Board and Asus ATI 7970 and 8 Gig DDR3 Crucial Ram @ 1600 mhz. I'm Using Windows 8.1 X64. It’s a Non-K cpu so the ...
0
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0answers
30 views

Does running CPU intensive tasks wear down my computer?

I do a lot of statistical analysis in R (which uses a lot of CPU and RAM). Whenever I run my analysis, my laptop's fan runs at top speed. Monitoring tool shows that 1 of my cores runs at 100%, the ...
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1answer
27 views

CPU rapidly overheats

I've been running my system for about a year and a half, the only heat issues I had was with Battlefield 4. I noticed then that my CPU easily went to 80°C, so I cut back on the Anti Aliasing etc, no ...
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57 views

How to unlock the hidden (locked) settings in BIOS on Linux?

I got a HP 255 G2 laptop and I am dual-booting Ubuntu 14.04 (32-bit) with Kali Linux 1.0.9 (64-bit).I got an AMD quad-core CPU,which runs at 1.5 GHz,so I want to overclock it at 2,0 or 2,5 GHz but I ...
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2answers
101 views

AMD 8 core vs. Intel 8 core - Are they too much different?

So somebody was telling me that an AMD 8 core processor only really has 6 cores as opposed to an Intel having a full 8 cores. Is there any truth to this at all?
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2answers
46 views

Are there disadvantages to big memory in upgrades?

I have a Lenovo T430 computer. The physical memory is 4GB DDR3 1600MHz. I work on big data analysis an often the memory is not sufficient. So, I want to upgrade my physical memory. I hesitate to ...
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1answer
33 views

System won't respond to Power Switch

I ran into a problem - I can't start my new system at all: when Power Switch is pressed nothing is hapenning, even cpu/system fans are not moving for a split second. And I just was at the shop where ...
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0answers
23 views

Byte addressable memory and ISA

I am trying to clear some confusion regarding instruction set architecture and how memory is accessed. Basically I know that in byte addressable memory, data is stored byte by byte either in ...
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14 views

Intel Processor, black screen. bios

I was trying to put Intel® Pentium® D Processor 820 (2M Cache, 2.80 GHz, 800 MHz FSB) in my computer to replaced my old one (Intel 1.8GHz Dual Core) and when i was put it, computer cooler started to ...
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31 views

What are the signs of a dying CPU?

I've been looking up after market coolers for my CPU since it has been running hot recently. I see a lot of forums saying that this-or-that product will "Extend the life of your CPU" by making it run ...
2
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3answers
174 views

Task Manager shows one processor (and not multiple cores)

I've tried to find a solution, but I haven't had much luck. The photo says it all: I'm supposed to have 4 cores, but they're not showing up. What gives? msconfig advanced boot options also only ...
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33 views

What does the BASE clock speed of an Intel CPU really signify, now that we have Turbo Boost and SpeedStep

Intel now sell their CPUs with an advertised Core Clock speed, and a Turbo Boost (up to) speed. As well as this, thanks to SpeedStep (dynamic frequency scaling), a CPU will often underclock to ...
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1answer
57 views

What is the significance of CPU clock speed differences between different generations/types of processors? [duplicate]

I currently have a computer equipped with a quad core Intel Core i5 430M / 2.26 GHz. I noticed that the clock speed of the CPU to be higher than most of the i7 Haswell processors which are about ...
0
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1answer
41 views

Spontaneous reboots of system

I have an older desktop (i7-920, 2.66 GHz) which I built a number of years ago but have noticed that it now spontaneously reboots (with differing error messages). This is a secondary machine with my ...
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30 views

Can I safely mix RAM (ECC) sizes in a server board? [migrated]

I have a server (actually used as workstation) with a Supermicro X8DA6 motherboard, with 2 installed Intel X5650 processors. It uses ECC RAM. It currently has 6 Kingston KVR1333D3D8R9S/4GHB dimms ...
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Asus motherboard with 'CPU_LED' on

First, Here are some pictures of what I'm seeing. Here is by build: CPU | AMD FX-8320E 3.2GHz 8-Core Processor CPU Cooler | Silverstone AR03 81.4 CFM Sleeve Bearing CPU Cooler Motherboard | ...
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2answers
44 views

CPU higher than maximum

Hi so I bought a new laptop with an Intel i7-4510U processor. Its max cpu it says is 2.0ghz(Which I thought was low). How is it running at +2.8ghz. Is this affecting its performance? Or is there some ...
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8 views

ASUS P9X79 WS sudden failure

I used my build for only 4 hours, then suddenly it shut itself down and now refuses to boot. LED light CPU_LED in glowing blue. According to manual it shows that problem is in CPU. What might the ...
0
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1answer
45 views

Which pins to mod on Intel Celeron E3300?

I have an Intel Celeron E3300 core duo at 2.50 GHz and 800 FSB. I want to up it to 3.33 GHz and 1066 FSB. Motherboard is ECS G31t-M7 and supports it. Here's a picture of my actual CPU:
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1answer
54 views

Can I Upgrade a CPU from Intel Core i3-2350m 2nd Gen to core i5-2450m 2nd Gen?

I have a laptop equipped with Intel Core i3 2350m 2nd Gen. Well, actually my laptop has two different models: the first one with i3 2350m and the second one with i5 2450m. As I did research on both ...
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0answers
12 views

Intel i5-4670k based system rebooting constantly

TL;DR: My PC is stuck in an endless boot cycle, but on (long?) cold boots it will boot normally for ~20 minutes. Never had any major issues with this build in the past 6 months of owning it (besides ...
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56 views

Can I exceed my computers maximum ram memory [duplicate]

Crucial's site says the the Maximum memory supported by system is 4096MB Slots: 4 (2 banks of 2) *Not to exceed manufacturer supported memory. Currently, first slot is 2GB second third and fourth is ...
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3answers
82 views

My New PC fans are super loud

I have 2 large fans in my case it's mATX case the key components are: Asus H97M-E Motherboard & Hydro Series™ H55 Quiet CPU Cooler Now the motherboard has 3 (4 pin) connectors for CPU Fans ...
2
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1answer
48 views

Address space of Itanium (IA64) processors

I've recently learned that AMD-64 (x86_64) processors - while theoretically capable of addressing 64-bits of address space, actually only address 48-bits. Evidently, AMD did not think a full 64-bit ...
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1answer
31 views

CPU overheating. Never was overclocked

I have Intel Core i5 2500k. I used it for approx 2 years with Corsair H100 cooling system. I have been working in IT for past 10 years so I have excluded all the obvious: I have replaced cooling fan, ...
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24 views

Understanding load in linux

I read this and I'm not pretty sure how linux computes it from other resources (not CPU) - they wrote that linux computes load from more resources than just CPU (like UNIX). Example: I have two-core ...
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How to reinitialize processor for /sys in Linux

I have upgraded my laptop from Intel Pentium P6100 to Core i5-460M. i5 supports Turbo Boost. To switch this on/off I need to do: echo 0 or 1 > /sys/devices/system/cpu/cpufreq/boost But my System ...
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16 views

Can I upgrade the CPU in my Qosmio x70? [duplicate]

I want to upgrade my CPU, how do I know if I can and if my laptop will handle it? My relevant specs: System: Qosmio x70? CPU: i7-4700MQ
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CPU(Q8400) load quickly rises every time I open/close a webpage or basically anything

My CPU load quickly rises every time I open/close a webpage or basically do anything. It's pretty annoying since it distorts audio and video if I have a movie playing. Please see ...
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1answer
44 views

Windows Task Manager not showing all cores?

I have Fujitsu RX200 S6 servers, which are Xeon 5500/5600 compatible. Up to today, I had dual X55nn (not sure of exact model) installed. Windows Task Manager was showing 24 separate graphs. I was ...
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1answer
23 views

Why does a CPU with lower frequency score better than one with more?

I've just seen this comparison of two differenc CPUs. The first one has 4.4GHz and the other one 2.5 to 3.5GHz. However, the one with the lower frequency scored better in the single-thread-rating ...
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1answer
46 views

Workstation for Software Developer with Visual Studio, SQL-Server [closed]

I must do a decision between the following two systems with different CPU's. I asking me, is there a difference/advantage when I use the dual cpu machine for working Visual Studio 2013 (or higher) and ...