Questions tagged [intel-core-i7]

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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167
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6answers
416k views

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 ...
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4answers
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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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3answers
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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 ...
27
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1answer
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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 55&...
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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: http://ark.intel.com/...
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2answers
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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 ...
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3answers
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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 ...
13
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3answers
44k views

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 ...
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3answers
10k views

Benefit from using 3400 MHz RAM on a CPU that's only rated for 2400 MHz RAM

Situation I intend to buy a mainboard which supports memory speeds up to 3866 MHz. The processor will be an Intel i7-7700K, 4x 4.20GHz which supports memory speeds up to 2400 MHz. The CPU seems to be ...
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5answers
22k views

Why does a Xeon processor cost much more than a similar Core i7 part?

I want to know why the price of a Xeon CPU and a similar Core i7 CPU is so different. The CPU clock is more or less the same. I want to know this because I want to have an understanding of what kind ...
9
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3answers
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Will dual Xeons improve Android Studio build times?

I am an Android developer and spend a lot of my time waiting, so I have started considering a a dual Xeon setup. I know that, for example, for a 3D rendering solution - the additional cores improve ...
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3answers
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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 i7-...
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4answers
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Why is the Core i5 5300u rated better than the i7 5600u?

I just purchased a new x1 Carbon with all the bells and whistles. I got a Core i7-5600u which I really thought would be the better chipset to get. But now I'm looking at some benchmarks and the i5-...
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4answers
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How to determine version Intel Management Engine on Linux?

I just heard about the latest Intel ME disclosure. I'd like to update my firmware, but I don't use Windows/OSX. How can I find out what version of Intel ME I have and how do I update it?
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4answers
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Performance-impact of Hyper-Threading

I just read an article on Heise Online (look at the table, the rest is German) which claimed, that Hyper-Threading slows down single-threaded programs although they don't use the second thread of a ...
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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 ...
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2answers
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Core i7-620M vs Core i5-540M [closed]

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 ...
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4answers
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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 ...
7
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1answer
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Are 6th-generation Intel processors slower than 4th-generation?

I'm looking at building a computer for my brother. Back when I built my own I used a 4th-gen CPU. My thinking is "well he should obviously have the latest generation because they say they're always ...
7
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4answers
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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 ...
7
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2answers
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how can I check whether Intel's AVX is enabled on my computer?

I have a new Computer with Sandy Bridge CPU, which supports the new AVX instruction set, and Win 7 Ultimate x64 - which is supposedly capable of supporting AVX (i.e., 256-bit SIMD instructions/context-...
7
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2answers
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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 ...
7
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1answer
7k 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 ...
6
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2answers
480 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 ...
6
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2answers
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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
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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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2answers
7k 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 ...
6
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1answer
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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
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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 ...
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27k 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?
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4answers
73k views

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 ...
5
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3answers
19k 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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3answers
465 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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2answers
8k views

Can Intel microcode updates be rolled back?

Let's say I apply (or have applied for me by an automatic update process) a microcode update which fixes, for example, a hyperthreading bug on my Skylake chip. Are such updates irreversible, or can I ...
5
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1answer
1k views

How is the micro-op cache tagged?

According to Real World Technologies’ article on “Intel’s Sandy Bridge Microarchitecture”: “Sandy Bridge’s uop cache is organized into 32 sets and 8 ways, with 6 uops per line, for a total of 1.5K ...
5
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3answers
7k 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), ...
4
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6answers
8k views

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 ...
4
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6answers
10k 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!
4
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5answers
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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?
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2answers
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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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2answers
4k views

Advantages of Hyper Threading in software development

The Intel Core i7 has a Hyper Threading feature. How is this feature helpful when it comes to software development? (Not game development)
4
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1answer
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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
2k 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.
4
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2answers
7k views

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
26k views

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
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1answer
1k 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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2answers
243 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
26k views

Is there any issue running Windows 7 on an 7th Gen. Intel CPU (Kaby Lake)?

Is there any issue running Windows 7 on an 7th Gen. Intel CPU (Kaby Lake) aside from: Windows Update may not work properly (I know it can be patched, e.g. using wufuc) as always, one has to check ...
3
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1answer
476 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 ...
3
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3answers
90 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 ...

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