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G.SKILL 4400 CL17 1.5v vs 4000 CL14 1.55v for 10900 playing Cyberpunk

Specs:

10900 non-K on an Asus PRIME Z590M-PLUS running at 102.5 BCLK and power limit removed. RTX 3090 gpu.

 

I'm looking at these 2:

 

https://www.newegg.ca/g-skill-32gb-288-pin-ddr4-sdram/p/N82E16820374181?Item=N82E16820374181

 

DDR4 4400 (PC4 35200)
Timing 17-18-18-38
CAS Latency 17
Voltage 1.50V

 

https://www.newegg.ca/g-skill-32gb-288-pin-ddr4-sdram/p/N82E16820374221?Item=N82E16820374221

 

DDR4 4000 (PC4 32000)
Timing 14-15-15-35
CAS Latency 14
Voltage 1.55V

 

and also less voltage hungry, which is already being delivered to me: 

https://www.newegg.ca/g-skill-32gb-288-pin-ddr4-sdram/p/N82E16820374145?Item=N82E16820374145

 

I'm playing Cyberpunk at 1080p RT Psycho, with DLSS Quality, which means it's rendering at 720p and according to tests this game is RAM bound.

https://www.thefpsreview.com/2020/12/23/ram-bandwidth-is-a-big-factor-for-cyberpunk-2077-at-lower-resolutions/

 

 

Cyberpunk-2077-Kabuki-Market-FPS-1920x1080-Raytracing-Ultra-3.png

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So get the 4000MHz CL14. You obviously can afford it, so just get it.  Not sure the question here.

 

Why the non-K CPU tho?

"Do what makes the experience better" - in regards to PCs and Life itself.

 

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the 2nd set, cl14 4000 likely will yield that last fps or 2 for the 3090

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$400 ~ $550+ on RAM, but okay, I digress.

Not sure if the extra 5 FPS for an extra $400 is worth it (vs say $200 for a DDR4-3200 CL16 kit).

Yeah...not sure if that is what you call RAM bound for +5 FPS....when I see RAM bound games, I mean like a 10 or 15+ FPS difference.... not 5.

 

The DDR4-4000 CL14 would the better kit over the other ones.

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1 hour ago, Dedayog said:

So get the 4000MHz CL14. You obviously can afford it, so just get it.  Not sure the question here.

 

Why the non-K CPU tho?

I thought maybe the 4400 maters but I see how it could be stressful for IMC.

Non-K because I had a B460 board for a non-gaming HTPC but later decided I wanted to game on it which made me rebuild the whole thing except for CPU.

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The chart doesn't have any difference in latency (all are 10ns for 10900k tests) only showing frequency.

 

Just get a 3600 or 4000 kit 2x16 dual rank or 4x8 single rank

Before you reply to my post, REFRESH. 99.99% chance I edited my post. 

 

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Ordered F4-4000C14D-32GTZN, let's see what they can do. 

 

My favorite quote of the day:

 

"These are the memory to get guys, DDR4 top end bins and final revision to DDR4 DRAM kits. DDR5 will be a mess for 5 years without question, so anyone wanting to build a PC and last it long these are to get or the top end Samsung B-Die kits at 4000Mhz low latency bins from Trident Z / Neo."

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  • 2 weeks later...

Do you have any specs on the new DDR4-4000MHz CL14-15-15-35 1.55V? Also how are the temps 1.55v?

I'm looking for the same new 4000 cl14 RAM from G.skill. However, cannot find any reviews/benchmarks. 

 

Why not 2x F4-4000C14D-16GTZN = 4 stick/quad? 

 

Thanks!

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Temps are fine at 1.55v. I have 3200C14 sticks that can do 4000 14-15-15 and 4400 16-16-16 with not much effort. Tighter if I use more voltage..

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4000CL14 is quite a bit better binned than 4400cl17

 

4000cl14 is the highest tier bin. Anything faster MTs has worse timings making them slower.

 

 

Quick dirty way to compare memory kits:

Divide MTs by CL rating, higher result is better.

 

4000cl14 vs 4400cl17

4000/14=285.7 quite a bit faster

4400/17=258.8

 

3600cl14 vs 4400cl17

3600/14=257.1

4400cl17=258.8 Basically the same

 

Any fast kit of ram is pure bragging rights, you'll never get a meaningful difference in performance. But we are all jelly of your ram😍.

 

 

 

 

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  • 2 weeks later...
On 6/22/2021 at 5:17 AM, RangeOwnerMP said:

Do you have any specs on the new DDR4-4000MHz CL14-15-15-35 1.55V? Also how are the temps 1.55v?

I'm looking for the same new 4000 cl14 RAM from G.skill. However, cannot find any reviews/benchmarks. 

 

Why not 2x F4-4000C14D-16GTZN = 4 stick/quad? 

 

Thanks!

I've rested a 120mm fan on top of ram and temps get to 46° at worst case. 

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If money isn't an issue, the 4000cl14 is the best highest tier kit of ram money can buy, any higher speed and they sacrifice timings and are a lower bin.

 

39 minutes ago, MysticLTT said:

I've rested a 120mm fan on top of ram and temps get to 46° at worst case. 

Those are great ram temps. It is tempting, HMM.

 

Enjoy your beastly PC.

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