These are grouped into a number of categories. The Intel Xeon processors are designed for use in workstations and servers, while the Intel Core and Pentium processors are for consumer applications. Likewise there are many servers and workstations that make do with an Intel Core processor. Within the Intel Core range of processors, there are three distinct families: the Core i7, the Core i5 and the Core i3 families of processors.
Within each of those families there are several processors with varying CPU clock rates and prices. To make things even more complicated, you could always buy a processor based on the previous architecture, in this case, Haswell or Broadwell. How do you choose amongst them?
Part of this comes down to additional cores. More cores means these CPUs can handle more threads at once and faster clock speeds mean they can complete tasks more efficiently. At this point, you may be wondering just how important clock speeds are. The answer: pretty important. The first is that, in general, a higher clock speed is better.
However, due to the thermal issues involved, processors with more cores tend to operate at a lower clock speed. Often-times, choosing a CPU involves choosing between a CPU capable of delivering faster clock-speeds or choosing one with more cores. Although a faster core might be more efficient than a slower one, it might not necessarily be better for the tasks you want to use your computer to be better at. Many applications only run single-threads while others are designed to utilize multiple.
For cases where the latter applies, such as video rendering and gaming, having more cores is going to offer up an enormous improvement over having faster ones. Rather than run out and dropping the cash on the CPU with the fastest clock speed you can find, it might be worth thinking about what the clock speed you actually need looks like. To that end, it's worth looking up the recommend system specifications for the game or software you'll be running on your new PC.
For more everyday things like web browsing, an i5 processor with a higher clock speed is probably going to offer more bang for your buck than a beefier i7 might. A higher clock speed is better, but you can get by with a lot less especially considering how much more expensive i7s can be in mobile configurations.
If you have the extra cash, though, an 11th-gen i7 is a great option. The iG7 consumes the same amount of power as the iG7 while boasting a higher boost clock speed, making it ideal for high-performance thin and light laptops. To make things even more confusing, Intel also offers 10th-generation Core i5 and Core i7 Comet Lake chips.
However, Intel is a lot closer to matching entry-level gaming laptops with Xe, climbing toward 60 frames per second at medium settings in games like Battlefield V and Civilization VI.
The HK rules the roost in the mobile space, packing eight cores and 16 threads into a laptop CPU. It comes with a base clock of 2. Some laptops, like the massively expensive Alienware Aream , actually come with a desktop i9.
Not only is the K cheaper, but it also has fewer issues with power and thermals, and it comes with two more cores and four more threads. If you have workloads that can use the extra power of an i7, consider springing for an i9 especially if you can get a last-gen chip on sale. Laptops are a different beast. Your processor can process more information at once, thanks to more threads and cores. Instead of stressing a single core or thread, the processor spreads out the workload. So, the benefit of more cores and threads is clear: It allows the processor to better handle multitasking.
You can use it on both desktop and laptop computers. If you are playing solitaire, then you will not see much between Core i3 and Core i5 processors. However, If you are editing multiple files in Adobe Photoshop, you can see that Core i5 performs the same task faster compared to old generation processors.
Core i7 is a family of high-end performance x86 bit processors developed by Intel. It is designed for high-end desktops and laptops. It is the first processor generation using Nehalem Microarchitecture. However, using Core i7 makes sense only for users who need to use high-resolution software like AAA video games, video editing, or want to render 3D objects.
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