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Intel Core i3-7350K vs. Core i5-7400 - More GHz or More Cores?

2017-02-13
hey guys welcome back to harbor unboxed late last year I check out Intel's new or rather at the time it was their upcoming core i3 73 50k processor that video was titled an unlocked core i3 should you buy it and the answer that question was pretty much a no at $180 us or 270 dollars ozzie the 73 50k is a mighty expensive dual-core processor and for just $20 us more you can land the quad core Core i5 7400 meanwhile both confusingly cost the same amount down under this thing has quite a few of you asking me the question should you buy the core i3 73 50k or the core i5 7400 since they both cost about the same amount the advantage of the slightly more expensive Core i5 7400 processor is as quad core design and larger level 3 cache the disadvantage being that it's locked at a base clock frequency of just 3 gigahertz with a maximum single cooperating frequency of 3.5 gigahertz there's a bit more to this comparison but let's start with the headlines the core i3 7350 county other hand comes clocked at least 20% higher 40% higher in fact when comparing the core i5s base clock frequency this is also an unlocked k processor which means it can be overclocked to achieve even greater frequencies I've got my chip up to 4.8 you go Hertz without much fuss and that means it's clocked almost 40 percent above the core i5s maximum turbo boost frequency a clock speed advantage of roughly 40 to 60 percent is huge and with its hyper threading support the 73 50 K should really challenge the 7400 there are however a few other factors at play here which make the 70 350 K a whole lot less enticing before we even get to the benchmarks consumers can pretty much get the most out of the core i5 7400 on a $50.00 h1 10 motherboard with the standard Intel Box cooler meanwhile the 73 50k requires a ZD series motherboard and with Zed 170 boards starting at $90 and the 270 boards at 110 dollars that's quite a bit more not only that but the 73 50k requires an aftermarket cooler so you can add at least another $30 to the price tag there for consumers are looking at spending around $250 for the core i5 7400 and an entry-level motherboard meanwhile the 7350 cables that you back at least $350 of the basic Zed 170 board and a budget tower style air cooler so in the end you're paying about 20% more for the 73 50k and it's required components keeping all that in mind how do the two compares well let's go find out first up let's check out the single and multi-threaded performance using Cinebench r15 here we see that despite a massive clock speed advantage this 73 50k is still quite a bit slower than 7400 run comparing the multi-threaded performance that said when overclocked the 73 50k does look to be around 40% faster for single threaded tasks excel is an application that has no problem utilizing a large number of threads and as such the core i5 7400 performs much better than the 73 50k even when overclocked for 73 50k simply couldn't match the 7400 taking over 10% longer to complete the workload surprisingly the overclocked 7350 k1 able to nudge your head of the 7400 in our 7-zip benchmark that said it was just 4 percent faster for any kind of encoding work having 4 physical cores will always trump two cores with hyper-threading and we see that here when testing with Premiere Pro CC even at 4.8 gigahertz the 73 50k with 4 percent slower than the 7400 taking 18 minutes and 16 seconds to complete the workload okay so time for some games starting with overwatch we fund the overclocked 73 50k is able to edge out the 7400 delivering a 3% higher average frame rate keep in mind that these results were gathered using the Titan XP at 1080p the overclocked 73 50k was able to edge out the 7400 when testing Gears of War for that said it was just 5% faster when comparing the average frame rate although the unlocked core i3 processor sees a rather large 17 percent performance boost from its 4.8 gigahertz overclock it was still only able to match the performance of the 7400 for our battlefield 1 test interestingly that also places both processes on par with the Sandy Bridge core i7 2670 4.8 gigahertz overclocked to 73 50k couldn't beat the slightly more expensive Core i5 processor and watchdogs too despite seeing a 13% performance boost the core i3 processor was only able to match the 7400 well for me this really sums the situation up well the overclocked 73 50k was 10% slower in the Excel workload and yet it consumed almost eighty percent more power than the 7400 for those wondering what you are looking at here is total system consumption finally here the power consumption results are running the prime95 stress test as you can see the overclocked 7350 K consumes almost as much power as a core i7 6700 K unfortunately despite being a lot of fun the core i3 7350 overclocking really doesn't make a whole lot of sense for the most part to stop clock 7400 is just as fast or faster consume significantly less power runs much cooler and ultimately ends up costing less so as I said in my original review back in December the 73 50k really should be avoided in fact that really does go for the entire cable eight core i3 range and even the higher clocked Pentium model such as the G 40 646 20 at least given the current pricing landscape the reason for this is Intel's own G 45 60 which I've already looked at extensively on the channel retailing for just $64 u.s. it's an incredibly good buy it's 22% cheaper than the G 4600 which costs eighty two dollars and yet it's clocked just three percent slower it's the same we're looking at the G 46 20 the G 45 60 is 31 percent cheaper while it can't possibly be more than five percent slower move to the core i3 range and we find the core i3 7100 retailing for 117 dollars EOS now other than a bump in operating frequency and a slight modification to the integrated graphics this is the exact same processor clocked at 3.9 gigahertz it's up to 11% faster that doesn't have a make it worth paying over eighty percent more for it gets worse as you go on the core i3 7300 costs well over twice the price but comes clocked to less than 15% greater so as I see it consumers looking at buying a new seventh generation Intel processor have the choice of the pentium g 45 60 at $64 or the core i5 7400 at $200 as crazy as it sounds everything else in between is a bit pointless anyway I hope those trying to decide between the core i3 73 50k in the core i5 7500 K now know the right move to make if you would like to see any other CPU comparison on the channel please let me know in the comments below more than happy to make it happen I'm your host Steve and I hope to catch you on another video really soon
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