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Question about AMD vs Intel RAM benchmarks

Tags:
  • Memory
  • Intel
  • RAM
  • AMD
  • Benchmarks
  • CPUs
Last response: in Memory
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September 19, 2013 3:55:19 PM

So I somehow overlooked this the other day when I was looking up some RAM benchmarks, but passmark.com's RAM benchmarks have a significant difference when comparing which CPU they are being used on.

Quick examples:
Latency - Intel top 10 range = 15ns-19ns
- AMD top 10 range = 46ns-54ns

Read Uncached - Intel top 10 range = 20,013 MB/s - 17,585 MB/s
- AMD top 10 range = 7,941 MB/s - 7,541 MB/s

Write - Intel top 10 range = 14,513 MB/s - 12,454 MB/s
- AMD top 10 range = 6,379 MB/s - 6,049 MB/s

Would this just be because there are more top tier Intel CPU's outperforming top tier AMD CPU's?

Was I wrong to assume that the Motherboard played a bigger role than the CPU in the performance of your RAM?

I am currently building a new PC and looking to get 16GB (2x8) either on a FX 8350 for AMD, and for intel i've been looking at i5 4570/i5 4670 and potentially i5 4670k.

Would the resulting benchmarks done for RAM on those 4 CPU's be as big of a difference in regards to the AMD vs Intel cpu's?

Thanks for any help!

More about : question amd intel ram benchmarks

a b } Memory
a c 145 à CPUs
September 19, 2013 4:06:01 PM

In modern CPUs from both Intel and AMD, RAM is attached directly to the CPU so the motherboard has very little influence on RAM performance beyond the quality of signal routing between the CPU and RAM which may limit maximum RAM overclocks.

Most of the RAM performance difference is simply due to Intel's Integrated Memory Controller being that much better than AMD's.
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September 19, 2013 4:11:46 PM

InvalidError said:
Most of the RAM performance difference is simply due to Intel's Integrated Memory Controller being that much better than AMD's.


So if I am looking into building a rig for graphic design, heavy multitasking, and occasional gaming, would the performance difference be noticeable enough that I should lean more towards and Intel CPU over an AMD cpu?

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