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Core i5 vs. Core i7 - Which Should You Buy?

2016-03-12
the go-to CPU for most gamers who prefer the Intel platform has been the core i5 for pretty much the entirety of PC gaming existence most core i5s provide 4 physical cores plenty of l3 cache and most of the time fairly modest clock speeds but let's not forget the older brothers of these generations the core i7s to the respective core i5s while most people regard core i7s as developer CPUs for people like myself who do more editing and things of that sort over gaming RI 7 still a viable option for gamers who play games way more than they do anything else let's find out so very quickly let's address the test bench that we'll be using for both of these CPUs now as they are both from the same Haswell generation we will be able to use the exact same test bench for both our core i5 and core i7 variants if you have seen our 2 or bers 4 core cpu that I uploaded a while ago then that test bench really hasn't changed much since then if you haven't seen that video yet you're curious about that go ahead and click the link here and yeah be entertained we paired both processors with the exact same as drug z97 extreme for LG 1150 motherboard and 8 gigabytes and 240 gigabyte variants of crucial tactical ddr3 clocked at 1600 megahertz with a cast latency of 8 want to go back to 1600 megahertz because I really like low latency stuff pretty cool we'll also be using a GTX 970 for our gaming benchmarks in particular this particular variant of the 970 is the AC strict version and we've left those frequencies in stock so whatever they came in out of the box as we haven't messed with us at all do you remember the stock frequencies work yeah I don't either one more thing I should know before we jump straight into the benchmarks is that both are 4690k and our 4790k are clocked at 4.6 gigahertz respectively and we're both being water-cooled by the exact same coarser h9t all-in-one water cooler so let's get into the benchmark CPU synthetics first so in all honesty nothing about these tests and particulars should have been surprising the core i7 has some serious performance gains over the core i5 and that's due mostly to the fact that the core i7 has hyper-threading whereas the core i5 does not but how does this translate into friends per second is the core i7 going to give you that much of an edge over the core i5 especially when you consider the fact that the core i7 is $100 more on average than the core i5 let's find out with these next sets of benchmarks you okay if I'm being completely honest here I've had the core i5 for about three or four weeks now and I've had the core i7 for only a few days but I've gained plenty on this new machine since its purchase and honestly I don't see that much of an improvement I mean if you just get a core i5 and a really awesome GPU graphics card I should say the GPU is just the chip inside the graphics card you're going to be just fine a core i5 is not going to severely bottleneck any graphics card that you throw at it at this point in time unless you you know go all out with some tight nexus or something in SLI I would say that for most gamers who expect the game anywhere between 1080p and 4k with just one monitor a Core i5 and something like a GTX 980 970 maybe an SLI something like that or r9 390 or 390 X on AMD side will be just fine for all of your gaming needs so situations in which I would recommend the core i7 over the core i5 would be in the case of video editors photo editors music editors pretty much anything with editor at the end of it and maybe some programs like AutoCAD if you use that maybe you're an engineer those kinds of programs will definitely benefit from the added threads but if you're a casual gamer or even a professional gamer I just personally don't see the viability in purchasing an i7 for 100 to 200 even $1,000 more than a core i5 hyper threading and even additional cores past maybe six just really don't give you that much of an added benefit in game so the law of diminishing returns is definitely applicable in this case so if you're just a gamer you don't do much editing at all that's not really what you're into stick with the core i5 save that money and invest that save money into a more powerful graphics card you will not be disappointed this is science studio thanks for learning with you
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