F5F Stay Refreshed Hardware Desktop DDR4 vs DDR5...

DDR4 vs DDR5...

DDR4 vs DDR5...

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Brudora
Senior Member
726
08-20-2021, 11:27 PM
#1
Your 5900X uses DDR4 at 3600MHz CL18, while you're considering a DDR5 upgrade to 5600MHz CL46. The difference in bandwidth is about 1000MHz per clock—significant improvement for performance.
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Brudora
08-20-2021, 11:27 PM #1

Your 5900X uses DDR4 at 3600MHz CL18, while you're considering a DDR5 upgrade to 5600MHz CL46. The difference in bandwidth is about 1000MHz per clock—significant improvement for performance.

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wnuke
Junior Member
13
08-21-2021, 06:38 AM
#2
AM4 doesn’t accept DDR5; you’d have to switch the whole platform to use it. Apologies for misunderstanding. Performance will be constrained by PCIe 5 capabilities, plus factors like latency and dimmer speed (if consistent). In practice, these bandwidth numbers aren’t usually a big concern—just relative details.
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wnuke
08-21-2021, 06:38 AM #2

AM4 doesn’t accept DDR5; you’d have to switch the whole platform to use it. Apologies for misunderstanding. Performance will be constrained by PCIe 5 capabilities, plus factors like latency and dimmer speed (if consistent). In practice, these bandwidth numbers aren’t usually a big concern—just relative details.

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GEORGEKILLA123
Junior Member
5
08-21-2021, 01:05 PM
#3
Would swapping the motherboard and CPU enable DDR5 support?
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GEORGEKILLA123
08-21-2021, 01:05 PM #3

Would swapping the motherboard and CPU enable DDR5 support?

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gingabang
Junior Member
35
08-23-2021, 05:09 AM
#4
I misunderstood and adjusted the initial response accordingly.
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gingabang
08-23-2021, 05:09 AM #4

I misunderstood and adjusted the initial response accordingly.

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darussianswag
Junior Member
18
08-23-2021, 08:56 AM
#5
It's quite slow at CL46, that's what I noticed.
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darussianswag
08-23-2021, 08:56 AM #5

It's quite slow at CL46, that's what I noticed.

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mjt2789
Senior Member
483
08-25-2021, 02:54 AM
#6
57.6 GB each second compared to 89.6 when using two channels.
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mjt2789
08-25-2021, 02:54 AM #6

57.6 GB each second compared to 89.6 when using two channels.

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Xephtor
Member
192
08-25-2021, 04:53 AM
#7
This situation highlights whether your query is relevant. Are you working with a system that depends heavily on high-speed memory access? Your focus on raw numbers can help clarify the answer you need.
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Xephtor
08-25-2021, 04:53 AM #7

This situation highlights whether your query is relevant. Are you working with a system that depends heavily on high-speed memory access? Your focus on raw numbers can help clarify the answer you need.

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HarrySJ
Junior Member
18
08-25-2021, 08:43 AM
#8
He is curious about whether the increase in bandwidth from DDR4 to DDR5 would be perceptible during gameplay. In terms of performance, the improvements in IPC and clock speed would likely have a more significant impact initially.
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HarrySJ
08-25-2021, 08:43 AM #8

He is curious about whether the increase in bandwidth from DDR4 to DDR5 would be perceptible during gameplay. In terms of performance, the improvements in IPC and clock speed would likely have a more significant impact initially.

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DaLoneDwarf98
Member
54
08-25-2021, 10:23 AM
#9
That's correct, I thought it was a different issue. It looks like an XY case.
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DaLoneDwarf98
08-25-2021, 10:23 AM #9

That's correct, I thought it was a different issue. It looks like an XY case.

C
ComboMyWombo
Member
74
08-26-2021, 05:15 PM
#10
On AMD's end, moving to DDR5 RAM typically means transitioning to at least the 7000 series. This would certainly bring about notable gains, unless you're using a 5000 x3D model. However, the actual benefits might be limited because of the RAM type. The most effective comparison between DDR5 and DDR4 comes from Intel, since 1700 boards support either DDR4 or DDR5. Following reviews suggests that everyday tasks would likely see only minor improvements, with gaming seeing very little change. In my opinion, this is mainly due to the fact that we're still in the early phases of DDR5, and today's hardware and software haven't fully unlocked its capabilities.
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ComboMyWombo
08-26-2021, 05:15 PM #10

On AMD's end, moving to DDR5 RAM typically means transitioning to at least the 7000 series. This would certainly bring about notable gains, unless you're using a 5000 x3D model. However, the actual benefits might be limited because of the RAM type. The most effective comparison between DDR5 and DDR4 comes from Intel, since 1700 boards support either DDR4 or DDR5. Following reviews suggests that everyday tasks would likely see only minor improvements, with gaming seeing very little change. In my opinion, this is mainly due to the fact that we're still in the early phases of DDR5, and today's hardware and software haven't fully unlocked its capabilities.

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