Does an 8GB, 2400mhz RAM bottlenecks a 1080ti?

riassegremy1 · Jul 18, 2018

I have a 8GB 2400mhz Patriot RAM. I just upgraded my GPU from 1060 to 1080ti.
I plan to upgrade my rig one at a time, and the RAM is the next on the list. I plan to get 16GB 3000mhz since I have read that Ryzen works better with faster RAM.

I have been searching for a long time now about bottlenecks between my Ryzen 5 1600 and 1080ti, some say it's ok, some say it's not, so I thought about asking if RAM bottlenecks a gpu.
Here is my part list:
Ryzen5 1600
Msi B350 Gaming plus
1080ti FE
EVGa 650w BQ

Please let me know which bottlenecks which so I know how to properly approach the upgrading process.
Highly appreciated!

Lutfij · Jul 18, 2018

For Ryzen, ideally, you should be on dual channel kits and kits that are spec'd to run at DDR4-3200MHz. That would net you best results.

riassegremy1 · Jul 18, 2018

Thank you. But does the Ryzen 5 1600 is fine with the 1080 ti or do I need an upgrade on that too?

jerrylee22 · Jul 20, 2018

riassegremy1 :

For RAM and RAM overclocking, your motherboard apparently supports: 1866/ 2133/ 2400/ 2667(OC)/ 2933(OC)/ 3200(OC)+ Mhz DDR4 RAM. Higher is generally better, but I wouldn't go over 3000-3200mhz like you were already thinking.
I'd recommend a dual channel kit 2x8GB. Since it's so expensive, I'd also recommend looking into https://en.wikipedia.org/wiki/CAS_latency to help you choose the best deal for RAM. A higher clock and higher CAS latency might "seem" slightly slower, but the cycle time is faster, and this can compensate for that (so long as it's actually overclocked to that speed). When I was shopping for RAM, I noticed consumers were avoiding and jumping on certain levels of CAS Latency and clock speed, which caused them to vary substantially in price.

Bottlenecking depends on a lot of factors, but your Ryzen 5 1600 is probably going to bottleneck the 1080 Ti. How much...? Depends...
Short term, fine. Long term, you'd probably want something better to get the full use out of the 1080 Ti and your PC in general. Since you have a 1080Ti, I'm guessing you're into a solid performance and a future for your build, even if it costs a bit.

For the best performance, especially to avoid bottlenecking, it's best to get an overclocking capable CPU. You don't have to go overboard on it, but it definitely helps. I'm not sure if you left out the X on your 1600 on purpose or by accident. Your MSI H350 should allow for overclocking and any AM4 socket chip.
Example: http://cpu.userbenchmark.com/Compare/AMD-Ryzen-7-2700-vs-AMD-Ryzen-7-2700X/3957vs3958

If you're going AMD, getting something like a Ryzen 7 2700x might be a little more than you need, but should be great, especially for long term and flexibility. It's nice to have a little too much than too little. The Ryzen 7 1800x or 1700x might be on the boundary of bottlenecking, but the 1080 Ti should be fine with them, if not great. I'd recommend if you're shilling cash for a new CPU that you go for a bit more (as you did with the 1080 Ti) for your AM4 socket for only $80 according to Amazon right now. (no need to upgrade MOBO)... although generally you need to make these choices depending on what you're doing and hoping to get out of your computer and how much you can or are willing to spend to achieve it. If you can't afford $320 right now, don't worry about it, but I'd definitely go for if/when you can.

Personal experience: checking the specifications, I had a similar performing processor for a week with the 1080 Ti, and it wasn't being used to it's full potential. The CPU was being maxed out (if not, close) in some cases and I was losing frames because of this. It wasn't horrible, but it was so much better after I upgraded.
I'd personally recommend Intel for gaming, since many games don't use hyper-threading efficiently and many perform best on a stronger individual core basis. However, the decision is yours. That being said, AMD is generally almost as good for gaming and is typically much better as a "workstation". Until recently, they're usually much cheaper, too. With AMD, you also get socket upgradability, so you might not have to buy a new expensive motherboard to upgrade (in your case, you don't :lol

I'd personally recommend the Ryzen 7 2700x for your AMD AM4 socket upgrade path. If you're willing to stray from AMD and pay for [somewhat] better performance with zero upgradability in the future, the i7 8700k is the best choice at the moment. The Ryzen Threadripper 1950x is the best (Intel or otherwise) for high core count price to performance, but you'd need a new motherboard and you'd be wasting most all of the added performance over the 2700x if you only did gaming and general tasks on it, and you'd also need a new MOBO.

Note: Especially if you go into overclocking for GPU and CPU, I'd take a good look at your power supply. Higher clock and memory speeds can influence power draw. Although the "Founder's" GTX 1080 Ti recommends a 600W PSU, if you overclock it and/or your CPU (as is nice to do) you may very well need a 750 or 850W PSU. So keep that in mind if you decide to do these things.
Something like this can help: http://www.coolermaster.com/power-supply-calculator/
Some other calculators seem to add a solid 100-150W seemingly arbitrarily, but then again, it is good to have more than you need with a power supply, because if you don't... well, it's not good for everything connected to it... :pfff:

These aren't totally accurate or relatable and prices seem to be MSRP and not current market, but they give you a general idea of what I'm talking about and what to expect out of them. These are useful because (especially with AMD vs Intel) core count and clock speed don't always correlate to performance when comparing processors.

http://cpu.userbenchmark.com/Compare/AMD-Ryzen-5-1600-vs-AMD-Ryzen-7-1800X/3919vs3916
http://cpu.userbenchmark.com/Compare/AMD-Ryzen-7-2700X-vs-AMD-Ryzen-7-1800X/3958vs3916
http://cpu.userbenchmark.com/Compare/AMD-Ryzen-7-2700X-vs-AMD-Ryzen-TR-1950X/3958vs3932
http://cpu.userbenchmark.com/Compare/AMD-Ryzen-7-2700X-vs-Intel-Core-i7-8700K/3958vs3937
http://cpu.userbenchmark.com/Compare/Intel-Core-i5-4690K-vs-AMD-Ryzen-7-1800X/2432vs3916

riassegremy1 · Sep 19, 2018

jerrylee22 :

riassegremy1 :

For RAM and RAM overclocking, your motherboard apparently supports: 1866/ 2133/ 2400/ 2667(OC)/ 2933(OC)/ 3200(OC)+ Mhz DDR4 RAM. Higher is generally better, but I wouldn't go over 3000-3200mhz like you were already thinking.
I'd recommend a dual channel kit 2x8GB. Since it's so expensive, I'd also recommend looking into https://en.wikipedia.org/wiki/CAS_latency to help you choose the best deal for RAM. A higher clock and higher CAS latency might "seem" slightly slower, but the cycle time is faster, and this can compensate for that (so long as it's actually overclocked to that speed). When I was shopping for RAM, I noticed consumers were avoiding and jumping on certain levels of CAS Latency and clock speed, which caused them to vary substantially in price.

Bottlenecking depends on a lot of factors, but your Ryzen 5 1600 is probably going to bottleneck the 1080 Ti. How much...? Depends...
Short term, fine. Long term, you'd probably want something better to get the full use out of the 1080 Ti and your PC in general. Since you have a 1080Ti, I'm guessing you're into a solid performance and a future for your build, even if it costs a bit.

For the best performance, especially to avoid bottlenecking, it's best to get an overclocking capable CPU. You don't have to go overboard on it, but it definitely helps. I'm not sure if you left out the X on your 1600 on purpose or by accident. Your MSI H350 should allow for overclocking and any AM4 socket chip.
Example: http://cpu.userbenchmark.com/Compare/AMD-Ryzen-7-2700-vs-AMD-Ryzen-7-2700X/3957vs3958

If you're going AMD, getting something like a Ryzen 7 2700x might be a little more than you need, but should be great, especially for long term and flexibility. It's nice to have a little too much than too little. The Ryzen 7 1800x or 1700x might be on the boundary of bottlenecking, but the 1080 Ti should be fine with them, if not great. I'd recommend if you're shilling cash for a new CPU that you go for a bit more (as you did with the 1080 Ti) for your AM4 socket for only $80 according to Amazon right now. (no need to upgrade MOBO)... although generally you need to make these choices depending on what you're doing and hoping to get out of your computer and how much you can or are willing to spend to achieve it. If you can't afford $320 right now, don't worry about it, but I'd definitely go for if/when you can.

Personal experience: checking the specifications, I had a similar performing processor for a week with the 1080 Ti, and it wasn't being used to it's full potential. The CPU was being maxed out (if not, close) in some cases and I was losing frames because of this. It wasn't horrible, but it was so much better after I upgraded.
I'd personally recommend Intel for gaming, since many games don't use hyper-threading efficiently and many perform best on a stronger individual core basis. However, the decision is yours. That being said, AMD is generally almost as good for gaming and is typically much better as a "workstation". Until recently, they're usually much cheaper, too. With AMD, you also get socket upgradability, so you might not have to buy a new expensive motherboard to upgrade (in your case, you don't :lol

I'd personally recommend the Ryzen 7 2700x for your AMD AM4 socket upgrade path. If you're willing to stray from AMD and pay for [somewhat] better performance with zero upgradability in the future, the i7 8700k is the best choice at the moment. The Ryzen Threadripper 1950x is the best (Intel or otherwise) for high core count price to performance, but you'd need a new motherboard and you'd be wasting most all of the added performance over the 2700x if you only did gaming and general tasks on it, and you'd also need a new MOBO.

Note: Especially if you go into overclocking for GPU and CPU, I'd take a good look at your power supply. Higher clock and memory speeds can influence power draw. Although the "Founder's" GTX 1080 Ti recommends a 600W PSU, if you overclock it and/or your CPU (as is nice to do) you may very well need a 750 or 850W PSU. So keep that in mind if you decide to do these things.
Something like this can help: http://www.coolermaster.com/power-supply-calculator/
Some other calculators seem to add a solid 100-150W seemingly arbitrarily, but then again, it is good to have more than you need with a power supply, because if you don't... well, it's not good for everything connected to it... :pfff:

These aren't totally accurate or relatable and prices seem to be MSRP and not current market, but they give you a general idea of what I'm talking about and what to expect out of them. These are useful because (especially with AMD vs Intel) core count and clock speed don't always correlate to performance when comparing processors.

http://cpu.userbenchmark.com/Compare/AMD-Ryzen-5-1600-vs-AMD-Ryzen-7-1800X/3919vs3916
http://cpu.userbenchmark.com/Compare/AMD-Ryzen-7-2700X-vs-AMD-Ryzen-7-1800X/3958vs3916
http://cpu.userbenchmark.com/Compare/AMD-Ryzen-7-2700X-vs-AMD-Ryzen-TR-1950X/3958vs3932
http://cpu.userbenchmark.com/Compare/AMD-Ryzen-7-2700X-vs-Intel-Core-i7-8700K/3958vs3937
http://cpu.userbenchmark.com/Compare/Intel-Core-i5-4690K-vs-AMD-Ryzen-7-1800X/2432vs3916

Im sorry for responding 2 months late lol. Thank you for a very detailed answer. I am planning on getting the 2700x as it is much cheaper than when getting the Intel since I would need to get a new mobo when switching to Intel. . Thank you once again!

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