Inconstant framerate with new cpu

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fiend246

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Oct 19, 2017
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Helli everyone. I've recently upgraded my i3 4130 to Ryzen 5 1600 3.2ghz so I was hoping for better gaming experiences. However, there seems to be no changes as I've been testing some games with even worse fps than before.

My specs
Ryzen 5 1600 non oc
Gigabyte g1 gtx 970
Kingston hyperx 8gb 2400mhz
Corsair cx600
Msi b350m gaming

In games like shadow of mordor, bf1, it might look smoother and the auto config scales up to high preset at the least but everything still feels laggy. My fps sometimes dips down as low as 40. Lowering the graphics option doesnt seem to help at all.

Any help would be appreciated as I have no idea what I'm doing wrong or there's something wrong with my pc because may other have the exact same specs but they can run everything no sweat 1080p@60fps. I'm only using a monitor of 900p.
 
Solution
Frag Maniac


Not necessarily. When Coffee Lake CPUs get in better stock and start selling more, the Ryzen MB prices may fall, and you may already have one that supports the high speed RAM Ryzen is compatible with. Sorry, I forgot the actual name of the type RAM I'm referring to. But it WILL likely take an adequate aftermarket cooler, 4GHz or near OC, and at least 3000 RAM to get that thing performing well.

It's all because the way Ryzen's cores communicate with one another is tied to RAM speed. That is called their "Infinity Fabric".

Take your pick, there's been tons of articles on it...
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Frag Maniac

Frag Maniac

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I was guessing you were referring to a Ryzen chip before I even clicked on the thread. This is a common problem with people switching to Ryzen. It might be that the ones getting acceptable performance out of Ryzen are usually buying 3000 or 3200 RAM and OCing the CPU to at least 4GHz.

Be aware if you attempt that though that only select MBs and certain types of high speed RAM are compatible with Ryzen, the Ryzen CPUs are finicky to OC and can hit a ceiling at 4GHz or even less, and you need a decent aftermarket cooler.

I was patiently waiting to look at both Ryzen and Coffee Lake, and now that I have I am 100% sure I want a 8700k. The Ryzens are cheap, but by the time you consider the model of Ryzen you need to buy, and expense of buying the compatible MB and RAM required just to make them competitive with Intel, it's really not worth it.

The 8700k may indeed cost more than a 1600, but it will easily outperform it without needing special expensive MB or RAM, or even an OC for that matter. Hell it turbos at 4.3GHz on all 6 cores.
 
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Frag Maniac

Frag Maniac

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Not necessarily. When Coffee Lake CPUs get in better stock and start selling more, the Ryzen MB prices may fall, and you may already have one that supports the high speed RAM Ryzen is compatible with. Sorry, I forgot the actual name of the type RAM I'm referring to. But it WILL likely take an adequate aftermarket cooler, 4GHz or near OC, and at least 3000 RAM to get that thing performing well.

It's all because the way Ryzen's cores communicate with one another is tied to RAM speed. That is called their "Infinity Fabric".

Take your pick, there's been tons of articles on it.
https://www.google.com/search?source=hp&q=AMD+Infinity+Fabric+tied+to+RAM+speed&oq=AMD+Infinity+Fabric+tied+to+RAM+speed&gs_l=psy-ab.3..33i160k1.805.10051.0.10362.37.37.0.0.0.0.158.2620.33j4.37.0....0...1.1.64.psy-ab..0.31.2107...0j0i131k1j0i10k1j33i22i29i30k1j33i21k1.0.P4Z5SwPjb7g

 
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fiend246

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Oct 19, 2017
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If I switch to i7, which one would you recommend? Coffee lake seems a bit too much for me so am aiming for i7 7700 and H270 mb, but would that have any negative effect on my card? And thanks again for your detailed answer
 
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Frag Maniac

Frag Maniac

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Honestly, I don't think you can even confirm yet what the street price, or holiday price of the 8700k will be. It's already been confirmed the MSRP will be $359, which is only $40 more than the lowest price the 7700k is selling for, and the 7700k has been out for some time. These prices of $389, where it actually IS in stock, are just vendors taking advantage of low availability.

If you mean the non k version of 7700, that's going for $289, or $70 less than the MSRP on the 8700k, but it's also clocked actually lower than the 8700k, and doesn't turbo nearly as high. The 7700k and 8700k so far have shown to be pretty much equal in gaming performance, but the 7700 being clocked much lower, and not being overclockable (nor the H series MBs) would mean you'd not be able to get as good a performance as a 8700k.

It just doesn't seem worth it to me to save at best maybe $100 on the CPU and MB for something you may very well keep 3 or more years. I feel you're being impatient. I would wait until Coffee Lake chips get better stock and prices and then make your decision. There are a lot of Z370 MBs at pretty good prices already.


I've already seen decent brand boards going for $110 before there's even good stock on the CPUs they support yet.
https://www.newegg.com/Product/Productcompare.aspx?CompareItemList=280%7C13-144-115%5E13-144-115%2C13-157-796%5E13-157-796
 
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Frag Maniac

Frag Maniac

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I forgot about the i5-8600k btw, which B&H Photo (a very good vendor I've dealt with), has on preorder for $280 (they say it's "coming soon").

https://www.bhphotovideo.com/c/product/1356630-REG/intel_bx80684i58600k_core_i5_8600k_3_6_ghz.html

Note the ONLY differences between this and the 8700k is it's core and turbo clocks are just a mere 100Mhz lower (.1GHz), and it lacks HyperThreading, which is not helpful in most games anyway. It's also priced slightly lower than a i7-7700 and is 6 core, not 4.

In my honest opinion, this is the best deal in CPUs right now.
 
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Frag Maniac

Frag Maniac

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Honestly, I would wit a bit for better stock and pricing on the 8600k. It's been in stock before at B&H for $258, and I think it MSRPs for $259. Z370 MBs are already as low as $110 though for brands like MSI and AsRock, but I would wait on those too. There's often kinks to work out with new MB platforms. It's good to wait about 3 months after they start selling well, and in this case, that would be when the CPUs that fit them get in good stock.

Note that the 8600k DOES require a Z370 model MB though. Despite being 1151 pin, it does not work on earlier chipsets.

 
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