F5F Stay Refreshed Hardware Desktop They may struggle to keep up with slower data rates, causing delays in response times.

They may struggle to keep up with slower data rates, causing delays in response times.

They may struggle to keep up with slower data rates, causing delays in response times.

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NicoPlaysYT
Senior Member
250
12-12-2021, 12:06 PM
#1
Hello. I was considering purchasing a new 2x8GB RAM kit for my Intel i5 6600 PC. The motherboard uses the H170 chipset, which supports up to 2133MT/s. Buying these modules makes sense since I need more RAM now, but I plan to upgrade both CPU and motherboard later. I noticed that most 3200MHz RAM sticks on the market struggle with lower latency compared to the 2133MHz ones if run at that speed. For instance, check this link: https://www.kingston.com/dataSheets/KF432C16BBK2_16.pdf. This low latency is disappointing for 2400MHz RAM, and I suspect 2133MHz isn’t significantly better. Older sticks could handle 2133MHz CL14 (see: https://www.kingston.com/datasheets/HX421C14FB_8.pdf). Why is that the case? New kits aren’t necessarily faster across all scenarios.
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NicoPlaysYT
12-12-2021, 12:06 PM #1

Hello. I was considering purchasing a new 2x8GB RAM kit for my Intel i5 6600 PC. The motherboard uses the H170 chipset, which supports up to 2133MT/s. Buying these modules makes sense since I need more RAM now, but I plan to upgrade both CPU and motherboard later. I noticed that most 3200MHz RAM sticks on the market struggle with lower latency compared to the 2133MHz ones if run at that speed. For instance, check this link: https://www.kingston.com/dataSheets/KF432C16BBK2_16.pdf. This low latency is disappointing for 2400MHz RAM, and I suspect 2133MHz isn’t significantly better. Older sticks could handle 2133MHz CL14 (see: https://www.kingston.com/datasheets/HX421C14FB_8.pdf). Why is that the case? New kits aren’t necessarily faster across all scenarios.

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arianed2001
Member
57
12-13-2021, 12:26 PM
#2
It's mainly a JEDEC versus OC comparison. RAM makers often design kits around the most conservative JEDEC rates. The 2133MHz CL14 remains a JEDEC standard, but it's the highest rated JEDEC speed. If you adjust the clock speeds, you might achieve CL14 or even lower with overclocking, even at 2133MHz—though H170 boards likely support higher overclocks like 3200MHz.
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arianed2001
12-13-2021, 12:26 PM #2

It's mainly a JEDEC versus OC comparison. RAM makers often design kits around the most conservative JEDEC rates. The 2133MHz CL14 remains a JEDEC standard, but it's the highest rated JEDEC speed. If you adjust the clock speeds, you might achieve CL14 or even lower with overclocking, even at 2133MHz—though H170 boards likely support higher overclocks like 3200MHz.

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zombiesnipest
Junior Member
7
12-14-2021, 07:14 PM
#3
Higher clock speeds mean greater delay. Take the DDR5 6400 as an example—it's 32ms! That’s normal, some chips manage lower delays better than others. If you’re aiming for affordable RAM with room for future upgrades, consider a bare Samsung module at 2133 or 2400 MHz. I boosted mine to 3600 and saved half the cost.
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zombiesnipest
12-14-2021, 07:14 PM #3

Higher clock speeds mean greater delay. Take the DDR5 6400 as an example—it's 32ms! That’s normal, some chips manage lower delays better than others. If you’re aiming for affordable RAM with room for future upgrades, consider a bare Samsung module at 2133 or 2400 MHz. I boosted mine to 3600 and saved half the cost.

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Panhera
Junior Member
13
12-20-2021, 10:28 AM
#4
In reality, certain memory scales perform poorly with latency, regardless of frequency adjustments. It's similar to how marathon runners don't always outpace you in short-distance races—they simply sustain their pace over a longer period.
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Panhera
12-20-2021, 10:28 AM #4

In reality, certain memory scales perform poorly with latency, regardless of frequency adjustments. It's similar to how marathon runners don't always outpace you in short-distance races—they simply sustain their pace over a longer period.