A couple of questions about Memory.

kieran_read · 20 Feb 2017 at 20:52

I'm going to get Zen in a couple of weeks but I figured with OCUK being hella low on Memory stocks recently I should pick some up before it's released.

But just wanted to find some things out.

Is there any "NOTICEABLE" difference between getting say 3000mhz memory with lower timings over getting 4000mhz with higher timings?

Looking at the higher end sticks liked the Geil and Team Group

Say take the Geil 2x4Gb @4000Mhz with 19-25-25-45 timings
or the Team Group 2x4Gb @3866Mhz with 18-20-20-40 timings

Do the lower timings make up for the 150mhz? or does the higher Mhz offset the higher timings.

Or am I completely over thinking this?

Basically i'm looking at getting some stupidly fast memory I was thinking of just get 8gb then replacing it when the prices drop to more affordable levels.

I would rather save £80 and put it towards a 1700x over the 1700 for example.

Just not too sure what I would be better off getting.

I mainly play games if that helps.

Silent_Scone · 21 Feb 2017 at 08:21

Wait till Zen qualified kits drop after launch. Your question isn't really a valid one; there won't be anyone running those kinds of speeds on Zen.

ubersonic · 24 Feb 2017 at 10:45

kieran_read said:
Is there any "NOTICEABLE" difference between getting say 3000mhz memory with lower timings over getting 4000mhz with higher timings?

Not from the users perspective, but benchmarks will show it to you.

kieran_read said:
Looking at the higher end sticks liked the Geil and Team Group

Say take the Geil 2x4Gb @4000Mhz with 19-25-25-45 timings
or the Team Group 2x4Gb @3866Mhz with 18-20-20-40 timings

Do the lower timings make up for the 150mhz? or does the higher Mhz offset the higher timings.

The "Team Group 2x4Gb @3866Mhz with 18-20-20-40 timings" will be slightly better. And when I say slightly I mean that 19CAS/4000MHz has a 0.00475 second response time and that 18CAS/3866MHz only has a 0.00465 second response time.

kieran_read said:
Basically i'm looking at getting some stupidly fast memory I was thinking of just get 8gb then replacing it when the prices drop to more affordable levels.

If you don't use >8GB then that's a fine plan.

kieran_read said:
I would rather save £80 and put it towards a 1700x over the 1700 for example.

That too.

Doug2507 · 24 Feb 2017 at 17:19

Save the 80 quid and get the faster proc.

geordiejc · 26 Feb 2017 at 09:21

Hi,

This video shows how different memory speed effects FPS in some games, albit its on intel platforms - SKIP TO 4:50 in the video.

2133mhz memory vs 3000mhz memory = 20% uplift in performance.

Good video on CAS/Latency

geordiejc · 28 Feb 2017 at 08:43

Another good video on memory speed

Hagar · 28 Feb 2017 at 10:14

I have some 3200 C14 for Ryzen.

Hotwired · 28 Feb 2017 at 10:21

Silent_Scone said:
Wait till Zen qualified kits drop after launch. Your question isn't really a valid one; there won't be anyone running those kinds of speeds on Zen.

The more you say it the more people remember you made that ill advised bet

Silent_Scone · 28 Feb 2017 at 11:10

Hotwired said:
The more you say it the more people remember you made that ill advised bet

Most people aren't well enough equipped to tackle 3200 on this platform, let alone 3866.

Hotwired · 28 Feb 2017 at 11:33

Cost of reaching 3866+ vs value of Scone's computer vs effort needed to do this

Hagar · 28 Feb 2017 at 12:00

G-skill 3400MHz @ CAS 18 on 1700 Ryzen

calculated FSB from below is 127MHz

nkata said:
Some memory info.

Silent_Scone · 28 Feb 2017 at 15:59

Hotwired said:
Cost of reaching 3866+ vs value of Scone's computer vs effort needed to do this

lol, I'll give you that