How is i7 faster than i5

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Search for: Search. The Core i7 was faster here, but just by 1 minute and 10 seconds, an improvement of just 3. The difference in power consumption between a Core i5 and a Core i7 is fairly small. In our spreadsheet test, laptops pair 20, names and addresses in OpenOffice. The machine with an i5 CPU took 4 minutes and 4 seconds, while the i7 laptop took 3 minutes and 43 seconds. Finally, we put the laptops through some gaming and overall graphics tests.

Perhaps because both processors have the same Intel HD graphics, the differences were really small. When we ran 3DMark Ice Storm Unlimited, a synthetic graphics benchmark, the Core i5 configuration notched a score of 61,, while the i7 model scored 62, This means that a PC with a higher core-count is going to be better for tasks where multithreading is important, such as web servers, web browsers and some video games.

The reason for this is that i3 processors are designed to hit a lower price-point more than they are push boundaries for performance. They tend to be found inside PCs that target a more budget-conscious market-segment where the need for a device to be affordable eclipses the demand for higher performance. Part of this comes down to faster average clock speeds. 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.