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AMD FX 6300 + RX 480: Severe Bottleneck?

2016-07-11
the AMD FX 6300 was featured in my second ever PC build here on the channel if you're super interested in watching that's super all the video you can do so by clicking the card right here but brace yourselves in all honesty the processor wasn't very different from the i3 6100 I purchased shortly thereafter and it was actually super cheap at 99 US dollars you can probably get for cheaper and now it features a unique design three modules and two cores per module effectively making it a hexa core processor although each core shares resources with another so it's technically not a six core processor but it is a six core processor separate issue separate debate separate video the CPU boasts a whopping eight megabytes of l3 cache that's actually how much my i7 6700 K has by the way a turbo clock speed of 4.1 gigahertz although I overclocked mine to 4.6 gigahertz with help from the ins EXT kraken x 61 and as mentioned earlier the things cheap but it's also quite old bashira is a dying breed it's undeniable the n3 platform is several years old the chip flops 32 nanometer architecture in the lineup isn't known for its relatively tolerable thermal output so with those pros and cons in mind we're pairing the FX 6300 with AMD grade on to newest release the our X 480 be a good idea here's what you're about to see in the graphs the FX 6300 paired with the RX 480 the FX 6300 paired with the 980ti and the i7 6700 k also overclocked to 4.6 gearheads and paired with the same amount of RAM 16 gigabytes paired with both cards as well all games were benchmarked in 1080p the FX processor wasn't diggin 1440p and most of these titles all of which were set to high settings with exceptions listed thereafter by the way I'll be using the newest crimson driver update from AMD with the rx 480 and all of these tests I have confirmed I can confirm that the RX for a DS power draw issue from the PCIe slot has been corrected I threw it into the same through infidel rig and all the games ran perfectly fine even with the $400 ultra cheap power supply we can make a separate video on that but I really didn't think it would be a bit entertaining you're just gonna be seeing all the games run and that's pretty much it so that's why I threw it into here don't worry problem solved now if you've you were confused in the $350 AMD PC build video which you can check out right here by the way because I included my i7 scores I mean obviously the ultra t platform didn't stand a chance but I included the i7 because that platform represents a quote unquote no bottleneck situation now that's not to say that nothing in the computer was a bottleneck there's always a bottleneck somewhere remember that no matter how expensive the computer is there's always a bottleneck you just you can't get rid of that you're always gonna have one thing holding back something else in the rig but with the i7 in there you can get a sense of how much the other CPU bottlenecks to the graphics card I've included a 90 DTI as well for the same reason so you'll see four rigs and four sets of graphs makes sense all right let's get to it first up as usual is Grand Theft Auto 5 which provides a great blend of CPU and GPU intensive segments throughout here we find the FX 6300 falling a good ways behind the rest of the pack when paired with the RX 480 so keep in mind however this platform is significantly cheaper than the other three rates you're looking at here now the bottleneck can be identified through various outlets for one the FX 6300 plus 980ti combo is yielding frame rates that are nearly identical to the i7 + RX 480 combo so even though the 980 TI is about twice as powerful as the RX 4 80s have demonstrated in a video you can check out by the way right here the FX processor is still holding things back quite a bit and if you're thinking well of course braids pretty obvious you're pairing a $90 CPU with a $400 GP I agree it should be rather obvious but we're trying to gauge exactly how much of a bottleneck of this thing is if we compare just the 2r X 480 rigs it also becomes very clear in Grantha thought of five the FX 6300 is cutting frame rates in half from that of an ideal CPU but in case you're wondering when it comes to strictly gaming the difference is between an i5 and i7 when it comes to the frame rates you see in most games I'm saying most because a few of them will take advantage of the extra threads for the most part the i5 experience will be roughly identical to the i7 experience I've proven that in a video you can check out right here if you don't believe me but take my word for it if you have a decently overclocked I 5 or even one that just has a really high turbo frequency you're going to be yielding roughly the same frame rates as I am with the i7 rig even though I have hyper threading on board you may not we should still be receiving similar frame rate so even though we have different CPUs so you're welcome to test all the stuff on your own that's why I show you all the settings and everything like that for every game so that you can go and do this on your own and see kind of where your stacks up to this rig right here that you're looking at and a rig that features the FX 6300 and the RX 480 ashes of the singularity tells us a different story the multiple threads of the FX 6300 to keep it in the game yielding an average frame rate of only 10 FPS lower than a processor that's over three times its price it handles the 90 DTI fairly well - and the 4.6 gigahertz overclock goes a long way here now in the case of hitman I would regard this game as a very GPU intensive one and here's why it doesn't stress the CPU to any unorthodox degree confirmed via MSI Afterburner however in DirectX 12 mode those minimums can get pretty low regardless of how expensive your rig is this doesn't happen often in fact you may not even notice the occasional dip at all but it's there and was experienced in both platforms this is another case in which the FX 6300 holds its own while obviously not i7 comparable the 6300 plus 480 combo produced an average frame rate of over 60 FPS so impressive in its own right the CPU also handle the 980ti admirably check this out only an 8 f PS difference between the two averages the same margins exist for the maxes and mins as well this game shocked me in a very good way so then let's get to the bad news CPU intensive titles City skylines is one of them much like the Total War and Armas series this game led to some fairly depressing results here the graphics card choice didn't really make much of a difference folks if you want proof of a CPU bottleneck this is it a $200 price difference and graphics cards made almost zero difference in frame rates thanks to our FX 6300 much of the same can be said for rise of the Tomb Raider here the minimum of the 6300 plus 480 combo is rather pitiful as is the average which considering the moderate settings didn't even approach 50 fps swapping the card for the 980ti improve things quite a bit though sings though the average frame rates for these two are within 5 frames of each other the minimums aren't as great but again this scenario is still very playable to be fair the 6300 plus 480 combo is also I guess playable but only if you're comfortable with sub 60 FPS gameplay I've included csgo by popular demand and this one reveals its CPU intensive tendencies as a rule of thumb higher frame rates typically require more efficient central processing units in this case the FX 6300 isn't technically bottlenecking anything but simply switching to the i7 and ddr4 gave us an extra 70 frames on the average so at this point I imagine a few of you are ready to chew me out in the comments for what you just saw yes I'm well aware that one platform was using ddr3 and the other was using ddr4 yes I'm well aware that Ram frequencies were vastly different do keep in mind of the ddr3 boast significantly lower caste latencies which also plays a huge role here and yes I'm well aware of the price differences between these platforms the goal here was not to start a price to performance war but rather to analyze the bottlenecking potential of the FX 6300 and it's corresponding platform with roughly everything else equal you're looking at anywhere from a 20 to 50% framerate bottleneck with the FX 6300 compared to that of a modern i5 or i7 with decent clock speeds the rest of this conclusion must be sculpted by you in your opinion did the bottlenecks you've just seen with the FX processor justify its extremely low price point and three platforms are old I mean they come equipped with pcie 2.0 slots and while that alone may not reduce frame rates by any substantial degree it's a testament to how old these parts are even though you might decide to purchase them quote-unquote brand new as for me personally I cannot wait to get my hands on some Zen whenever that decides to show up if you liked what you saw in this video be sure to give it a thumbs up give it a thumbs down if you feel the complete opposite or if you hate everything about life be sure to click the subscribe but if you haven't already and stay tuned for a change here in the studio I'm sick of doing graphics card stuff I'm gonna give that a break for a while I do have a PC build coming up sponsored by feed cool and cable mod but for now we're gonna do some other things I don't like doing the same stuff over and over just like I said bring in this towel dried zits pretty much done for at this point the RX 480 is a great card in my opinion I would not fault you at all for purchasing one of the 4 gig or the eight gig depending on what you plan to do in the future stay tuned for all those new things that you're about to see on the channel be sure to leave feedback in the comment sections below stay tuned for the next one this is science studio thanks for learning with us
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