Intel Core i7 is an Intel brand name for a series of high-end mobile and desktop microprocessors based on the x86-64 architecture.

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What is the difference between an Intel i7 and a Xeon quad core processor?

I know the Xeon processors have been around for a long time and are mostly used in servers, but I am curious, why do people not use the Xeons in a high performance desktop? As far as I know about ...
25
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1answer
80k views

What is a normal/safe temperature for an i7 2600K CPU? [closed]

I just completed my first build, and while I was finagling around in the BIOS I noticed, with some concern, that my CPU was sitting around 60 °C. Even when I set the maximum temperature to ...
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2answers
1k 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
2k views

Does the Intel i7 offer real improvement over its predecessors? [closed]

As the questions title asks, do the new processors from Intel offer real, as in noticeable, improvement over the previous quad core ones? What does the i7 actually offer that is new or is it simply a ...
14
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3answers
63k views

How to enable hardware virtualization on Asus motherboard

I have motherboard model: Asus MB P8Z68-V LX; LGA1155, Intel Z68 and processor Intel Core i7-2600 (LGA1155) Searches on the Internet indicate hardware virtualization should be possible with these ...
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2answers
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What does the “Max Memory Size” on the new Intel Core i3 / i5 / i7 CPU's mean?

I just noticed in the specs of the new Intel Core i-series processors that there is a "Max Memory Size" that is usually pretty small -- anywhere from 8GB to 24GB. See here: ...
8
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3answers
18k views

Can I put a laptop Core i7 CPU in a desktop?

One of the most important thing to me for a CPU is a good mix between speed and heat. For example five years ago I bought a Core 2 Duo 6300 (max TDP 65W): I put a big heatsink on the CPU, no fans (I ...
8
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3answers
583 views

Xeon vs overclocked i7 Extreme for lowest latency

I am aware that the differences between high-end i7 and Xeon are: compatibility with dual socket motherboards, total L2/L3 cache size. overclocking capability. extra cores - Haswell ...
7
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4answers
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Macbook Pro - 15" with i7 processor - Any problems with heat?

You may have already heard about the review done by the folks at PC Authority in Australia, where they had an i7 MacBook Pro that got up to 100 degrees Celsius during benchmarking. Here is the URL in ...
7
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2answers
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Core i7-620M vs Core i5-540M

I'm recommending a laptop to a colleague, and the specific laptop he has chosen has the above CPU chips as options. Both chips have 2-cores/4-threads. The i7-620M is a 2.66 GHz (4MB Cache) while the ...
6
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3answers
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CPU temp very hot in BIOS but okay in RealTemp/Speedfan

I just built myself a new i7 2600k system with an Intel DP67BA motherboard. Booted into BIOS and was alarmed to find Processor temp reported at 75 C, and steadily rising... sat there while it rose to ...
6
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2answers
369 views

i7-980X at 70% speed

Hi we bought a nice computer to use to solve optimization problems. Intel i7-980X@3,33 GHz with 12 GB of Team Group 1600 MHz DDR3 RAM. When we use Gurobi the computer uses all 12 cores at maximum ...
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2answers
1k views

Triple vs. Dual Channel with 6 sticks of memory

Assuming a Core i7 with a x58 chipset (IOW, triple-channel is supported)... I'm trying to decide if I need to buy triple channel memory kits. The MB has 6 slots, and I will populate them all. So I've ...
6
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2answers
4k views

How does Intel Turbo Boost Technology improve performance on the new Core i5, i7 series of chips?

I'm curious about the new innovations in Intel's Core i5 and i7 series of chips, in particular the Turbo Boost Technology. (Doesn't turbo boost remind you of Knight Rider?) What are the details on ...
6
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1answer
1k views

GPU at >= 100% for Intel HD Graphics 3000

On my brand new Lenovo W520 (with Sandy Bridge, 2820QM) and with default settings and on battery power, the "Power Manager" status shows that the GPU usage is constant at 100% or larger. Is this ...
6
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3answers
1k views

What hardware combonation is better one with a i7-720QM processor and GeForce 310M graphics or one with i5-430M processor and GeForce 360M?

I am looking for a new laptop and the two i am deciding between is an Asus with Intel® Core™ i5-430M processor and NVIDIA GeForce GTS 360M graphics. Or a Toshiba with the Intel® Core™ i7-720QM ...
6
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1answer
2k views

Why would my CPU suddenly get much hotter than it used to? [closed]

I run an i7-2700K on a DZ68BC, which I've assembled about a year ago. I've used the stock Intel fan without additional thermal compound and it worked flawlessly ever since. I've had the Intel Desktop ...
5
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3answers
8k views

How to disable SpeedStep for an Intel Core i7 processor?

I'm taking performance measurements of several bits of code. How can I disable SpeedStep on my Core i7 CPU so that the CPU clock speed is constant? I'm not trying to overclock here, and since ...
5
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3answers
12k views

Is my i7 CPU running too hot?

Here's my setup Intel i7 940 - stock speed 12GB DDR3 RAM ATI Radeon HD 4800 Series 2x 10k RPM Velociraptor Hard drives At no load, room temperature my cpu cores consistently read: 43 43 46 43 ...
5
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2answers
209 views

For what sort of workload can a Core i7-920 be faster than a i7-860?

Core i7-860 has a slightly higher clock speed (2.8 vs 2.66 GHz) Core i7-920 has QPI and tri-channel DDR3 (vs DMI and dual-channel)
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8answers
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Why doesn't my i7 ever use its processing power?

I'm writing about my Sony Vaio laptop again. It's an i7 with 6 GB of RAM, 500 GB 7200 RPM machine. Ever since I've owned it, I've seen its CPU at 100% perhaps once. Most of the time, applications ...
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6answers
8k views

i7 920 CPU doesn't come with thermal paste for the cooler?

I installed my new i7 920 CPU and cooler that came with it. It didn't come with any thermal paste, so I guess it is not required? I really hate these snap-in 'screws', they pop out easy!
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6answers
14k views

How to disable 2 cores on a quadcore i7?

I have a laptop with a quadcore i7 that runs hot. I don't need 2 of the cores. How can I shut them off?
4
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2answers
652 views

Differences between i7 2600 and i7 2600K

I looked at their specifications on intel. It seems i7 2600K has HD Graphics 3000 while the i7 2600 has HD Graphic 2000. But other than that, the i7 2600 has several options and features that the i7 ...
4
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3answers
7k views

Compare Intel Processors - Quad Core vs Dual Core [closed]

I have customized hp notebook and I am a bit confused about processors. I prefer quad core since I will have lots of things running simultaneously, web browser, visual studio, ms-sql... But Dual ...
4
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2answers
5k views

CPU monitoring: hyper threading, current clock speed

I think it'd be interesting if it were possible to check out at how much Ghz each one of my cores is running. Is it possible, at all?
4
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3answers
8k views

Error “VT-x/AMD-V hardware acceleration not available on your system” while trying to run Virtualbox

I have to run Mac OS on virtual box for a class and it keeps giving me errors stating "VT-x/AMD-V hardware acceleration not available on your system. Certain guests (e.g. OS/2 and QNX) require this ...
4
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1answer
3k views

Virtualization not enabled in Windows 8, but enabled in BIOS

I have an i7-2640M processor in a Lenovo T520 laptop with the latest bios. Virtualization is enabled in the bios, and Hyper-V is enabled in Windows 8. Intels CPU tool and Speccy still report that ...
4
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2answers
580 views

Do Core i7 heatsinks have the same geometry as my core 2 duo CPU's heatsink?

Do Core i7 heatsinks have the same geometry as my core 2 duo CPU's heatsink? From the look of the stock heatsinks it would seem that they do, however I would like to be sure before moving my Zalman.
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2answers
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TaskManager, HyperThreading: Which CPUs are real and which are HT?

When I open Task Manager I see 8 CPUs in the CPU Graph, since I have a Core i7 with 4 Cores + HyperThreading (running on Win7 x64). When I set Process affinity I get CPU 0 to CPU 7 listed. How can I ...
4
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4answers
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How to see if turbo boost is working on I7 860 CPU?

I just build myself a new system with a Intel I7 860 CPU. When loading it using a single threaded application like Super PI, CPU-Z shows 2.933Ghz as speed. Now I understood that the I7 goes into turbo ...
4
votes
3answers
5k views

Battery life with i3 vs. i5 vs. i7

I recently purchased a laptop with an i7-640m processor (blinded by a discount), and my battery life is fairly horrendous: the manufacturer given battery life is 6 hours (I know, it's an upper bound), ...
3
votes
4answers
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What happens when you add a Graphics card to a i7 with built in graphics (e.g. HD 4000) [closed]

I'm thinking of upgrading my computer from an AMD Phenom II X4 955BE with a AMD Radeon HD 6800 Graphics card (not integrated) to using a Intel Core i7 3770. As I have no knowledge of integrated ...
3
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2answers
217 views

What is the common ground for i7 processors? [closed]

If you see this page, you would see that there are "5 specifications of i7 processors" (is the terminology correct?). They are all i7. What is the common ground among all these processors? I know ...
3
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3answers
3k views

Why does VirtualBox show more CPUs than available?

I have an Intel Core i7 3930K with 6 CPU cores. Now, I understand that every of that cores can handle 2 separate threads. That makes 12 virtual cores - which I can see using my system monitor (see ...
3
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3answers
79 views

Fixed computer… but I have no clue what I changed to fix it. Ideas?

Describing what is broken: The computer in question broke a couple weeks ago. Specifically the computer was broken in such a way that when I turn the computer on the computer turns on but the screen ...
3
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1answer
658 views

If I use a discreet GPU with Sandy Bridge, would Sandy Bridge's on-die GPU be sitting idle and be completely wasted?

Or would the on-die GPU somehow work with the discreet GPU and still be productive?
3
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1answer
5k views

What's the max memory i7 processors can use?

There are lots of i7 motherboards that support 64GB memory, and even one that supports 128GB: http://www.newegg.com/Product/Product.aspx?Item=N82E16813130681 But I read that i7 CPUs can't access more ...
3
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2answers
1k views

Which is faster, a new MacBook Air with a 1.8 GHz i7 processor, or a prior-generation MacBook Air with 2.13 GHz Core 2 Duo?

Which is faster, a new MacBook Air with a 1.8 GHz i7 processor, or a prior-generation MacBook Air with 2.13 GHz Core 2 Duo? I'm wondering if this would be a step down or a step up in speed and ...
3
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1answer
2k views

Intel Wireless-N 7260 slow on linux

I just bought a new Acer Aspire V7-582PG which has an Intel Corporation Dual Band Wireless-N 7260 (rev 73) Wifi card. In windows, everything works fine, but using linux, the internet speed is quite ...
3
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1answer
967 views

How do I attain safe temperatures for my new i7-2600 non-k?

I'm apparently having some cooling problems. I recently moved from a Core 2 Quad Q6600 on a P5K with 4GB and a Asus ATI 5770 running Windows XPsp2 Pro, to an i7-2600 non-k on a P8P67 (latest BIOS) ...
3
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3answers
3k views

i5 540M or i7 720QM for laptop running VMs and software development tools? [closed]

I'm a software developer that would primarily be running Windows 7 as the primary operating system. On a typical day, I might, at any given moment, be running Visual Studio, Expression Web, SQL ...
3
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4answers
1k views

i7 laptop automatic overheat shut-down?

I am using Asus N82JQ laptop with i7-720QM, 4GB RAM, 1GB nVidia GT335 and 5400rpm HDD. I am using cooling pad under the laptop. I live in Greece, where the temperature of the air is easily around ...
3
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2answers
506 views

Should I opt for an iMac 27 inch quad core — 2.8 GHz i5 processor or 2.93 GHz i7 processor? [closed]

I will be using the iMac for video-editing with Final Cut Pro. The basic configuration offered by Apple for the iMac 27 Quad Core is with i5 processor 2.8 GHz.... Will paying additional money for the ...
3
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1answer
1k views

How to calculate the setting for BCLK with Core i7?

Help me figure out the proper calculation for overclocking a Core i7. Given that: the default maximum memory speed is 1333MHz, the motherboard supports up to 2200 MHz by overclocking, and it has ...
2
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2answers
358 views

What is better performance wise with i7 2600k: 1x4GB or 2x2GB RAM?

Is it better to use 2x 2GB or 1x 4GB RAM with a i7 2600k Sandy Bridge performance-wise for: Applications? Games? Both?
2
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1answer
2k views

would ddr2 memory work in a motherboard with ddr3 standard?

I have a machine built with 4 x Mushkin Enhanced Blackline 2GB 240-Pin DDR2 SDRAM DDR2 1066 (PC2 8500) Desktop Memory Model 991599. I'm thinking of upgrading to an Intel iCore 7 CPU that requires a ...
2
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3answers
625 views

i7 with aftermarket heatsink still hot

I have an i7 2600 processor running with an after market coolermaster heatsink. I've tried two different aftermarket heatsinks and the stock. The cpu runs at idle around 40-45c in my room that is ...
2
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1answer
193 views

How to avoid purchasing Faulty “Cougar Point” Chipset motherboard?

I plan on purchasing an Intel 2600K processor and am worried about my motherboard choice considering the faulty chipset ("Cougar Point" Chipset ) issues. What should I check to make sure I don't ...
2
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2answers
1k views

Lenovo W530 Intel Core i7: VT enabled?

Is Intel VT supported by this laptop/processor? I need it for a 64bit OS VM virtual machine? If it is then my BIOS doesn't support it (no VT option under Config -> CPU). How to update my BIOS then?