Ce este?

CPU (Unitatea centrală de procesare), numită și procesor, este calculatorul glorificat care este chiar creierul mașinii tale. Efectuează toate calculele și este responsabil pentru efectuarea instrucțiunilor și operațiunilor către și de la restul mașinii.

Cât am nevoie?

Dacă nu limitați capacitățile procesorului dvs., atunci îl irosești .
Un Intel Core i7-4700HQ este un procesor quad-core care este într-adevăr destul de puternic și este o opțiune grozavă pentru mulți oameni pasionați de jocurile de vârf sau care au nevoie să ruleze simulări sau să facă lucrări CAD. Cu toate acestea, dacă interesul tău principal este navigarea generală pe internet, vizionarea videoclipurilor, jocurile cu adevărat ușoare și doar alte scopuri principale, un procesor puternic NU vate ajut. Nu va „proba în viitor” mașina dvs. și, în cele din urmă, veți avea o experiență mai proastă decât dacă ați fi optat pentru un procesor mai slab și mai eficient, deoarece durata de viață a bateriei dvs. va avea de suferit grav în schimbul puterii, în care nu sunteți. chiar utilizând.

Nu primi mai mult decât ai nevoie. Majoritatea laptopurilor au acum procesoare ULV (Ultra Low Voltage) care sunt proiectate să nu fie la fel de puternice, dar să consume mult mai puțină energie și, prin urmare, să ofere mașinii cea mai bună durată de viață a bateriei. Cu excepția cazului în care faceți o muncă intensivă de CPU care necesită acest lucru, rămâneți la procesoare cu un consum mai mic de energie pentru a vă feri de prinderea de sugrumare a prizei. Laptopurile cu procesoare ULV obțin adesea o durată de viață de două ori mai mare decât cea a celor fără și, după cum sa menționat anterior, dacă nu utilizați puterea suplimentară de la procesoarele mai mari, o irosești.

Mai multe nuclee = mai multă viteză?

Nucleele suplimentare sunt un lucru fantastic, dar nu trebuie să vă concentrați decât dacă știți în mod specific că aveți nevoie de ele.

To be specific, the amount of cores you need is going to entirely depend on how many cores can be utilized by the applications you use. In a very simple manner of speaking, when applications are written, they are written into a specific number of “threads”. Most are written in a single thread or two. If the application you’re using only uses two threads, then only two cores will be utilized in your processor for that specific application. For example, World of Warcraft primarily uses two threads. So it’s more beneficial for people playing that game to have a processor with a high clock rate (speed, or GHz) with 2-4 cores, than a slower processor with 6-8. This is also something worth paying some real attention to. You will find that as the amount of cores increase, the clock rate of the processor goes down. This means that you can run multiple processes, or applications that support a good number of threads faster, but those that don’t support it will run slower. It’s safe to say that 2 cores is more than enough for 95% of people.

Most Intel processors (but not all) also have something called Hyperthreading. This means that each core virtually performs as two. So even dual core Intel processors perform nearly as well as a conventional quad-core without this technology. This is why if you have a quad-core processor, and you ctrl + alt + del to bring up your task manager, you can look at the performance tab, and it will show 8 processors. 4 cores + 4 logical cores (virtual cores from Hyperthreading) = 8.

All processors were not created equal

First, it’s very, very important to note that mobile processors are NOT desktop processors. They do not have the same capabilities, they do not consume the same amount of power, and they should not be compared side by side. A 4th gen, Haswell, Intel Core i7 processor like the i7-4790k cannot be compared next to the mobile i7-4700HQ. Yes, they are both i7’s and they are both powerful processors, but the i7-4790k desktop processor will absolutely destroy the i7-4700HQ mobile processor. The desktop processor is almost twice as fast and consumes twice as much power, and therefore generates twice as much heat.

It’s also important to know that not all i7’s were created equally in the mobile world, either. You need to understand how Intel’s naming scheme works in order to understand what you’re looking at.

Take the Intel Core i7-4700HQ again. You can break the processor name down like so:

• Intel Core – Brand
  • The Brand is pretty self explanatory. Intel Core processors are the top end of Intel processors, not to be confused with Intel Pentium or Intel Celeron lines which are lower end, respectively.
• i7 – Brand Modifier
  • The Brand Modifier signifies which division of the brand each processor is. For example, in the Intel Core brand there are the i3 processors at the bottom, then the i5, then the i7 at the top.
• 4 – Generation Indicator
  • The Generation Indicator is important to know. It’s the first number in an Intel Core processor’s name, and it signifies which generation the processor is from. If the number is a 4, then it is from the 4th generation, also called “Haswell”. If it started with a 3, it would be from the 3rd gen, or “Ivy Bridge”. The lower the number, the older the processor, and therefore the lesser the technology.
• 700 – SKU Numeric Digits
  • The SKU Numeric Digits is a complicated way to say the model number. In this case, the higher the number, the more powerful the processor. Minimal jumps in numbers are generally minimal jumps in power.
• H – Processor Line
  • The processor line is incredibly important and incredibly easy to confuse! Here is a breakdown of ones you will encounter:
    • H – High Performance Graphics – These processors are soldered onto the motherboard and generally more powerful graphics technology than others (although not always).
    • M – Mobile Processor – The M series processors are just the standard, removable, Intel mobile processors.
    • U – Ultra-low power – Also known as a ULV or Ultra Low Voltage processor, U series processors are designed for efficiency and low power consumption. They are clocked down and reduced to two cores, even in the i7’s. It’s important to recognize that an i5 M series processor is going to be considerably more powerful than an i7 U series processor.
    • Y – Extremely low power – This is the weakest of the Intel Core processors and is also the most efficient, resulting in the best battery life.
• Q – Letter Suffix
  • The letter suffix just signifies additional information about the processor. Q suggests that the processor is quad-core, so it can be assumed that if there is no Q in the name of the processor, it is not quad-core, with the exception of the X suffix, which means Extreme Edition, and that X also implies quad-core.

Integrated Graphics

Integrated graphics are graphics that come built-in to the processor that don’t require you to have a dedicated card and have come a really, really long way in the last year or two. A couple of years ago, you may get a little lag with integrated graphics just trying to watch a less than HD movie. Now (with the 4th gen Haswell processors) you can support up to 3 displays and full 1080p streaming with integrated graphics, as well as lighter gaming. AMD is actually ahead of Intel in some cases for integrated graphics, but that is a chip to chip comparison, and you can find that information under the graphics column on our lists.

It is important to be aware of memory and the way it impacts integrated graphics, though. Since the memory interface for integrated graphics is actually system memory, dual channel configurations double the throughput of the data to run your graphics, and can give actual performance increases of up to 40%. So make sure that if you’re trying to game on integrated graphics, that your RAM is in a dual channel configuration, rather than having a single stick.

What about AMD?

Well… what about AMD then? Everything described so far has referred to Intel and AMD does make mobile processors. This is true. What is also true is that even the most powerful AMD processors are comparable to the slowest Intel Core processors. An AMD A10 can be roughly compared to an Intel Core i3. The newer ULV Kaveri processors like the AMD A10-7300 isn’t even as fast as the Intel Core i3-4030U. While the integrated graphics on the AMD chip are far superior, the speed of the processor itself is quite low. This is why you currently won’t see any laptops suggested on LappyList.com with AMD processors unless you’re in the lowest budgets.

This isn’t a jab at AMD as a company. They make fine desktop and server processors. However, Intel completely owns the mobile market right now. Hopefully we can see some worthy competition from AMD in the coming generations.

TL;DR

Here are the key points that you need to know:

• Don’t get a more powerful processor than you need.
• Only heavy gaming machines and workstations will utilize a quad-core i7.
• More cores don’t necessarily mean more speed, dual-core is just fine (and often runs like 4 with Hyperthreading).
• If the processor name ends with a U or Y, it’s a low voltage processor and an i5 M or H series processor is considerably faster than an i7 U series processor.
• Integrated graphics don’t suck anymore and they are just getting better.
• The best AMD mobile processors are (currently) comparable to the slowest Intel processors. No AMD hate, they just have no ground in the mobile market at the moment.