Can someone explain latency speeds in respect to RAM?
- Thread starter Johntron1
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elbert
Glorious
- Jan 11, 2005
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Having more RAM beats latency of having to go to SSD or HD. If your RAM is to low your programs dip into page file which is on the SSD or HD. When that occurs your programs crawl and you may see 100% disk usage. So if you only get say 4~8GB's of DDR4 and have to hit page file at times a system with 16GB of DDR3 may be faster under those conditions.
elbert
Glorious
- Jan 11, 2005
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Most DDR3 motherboards are limited to 32GB's. Even the newest DDR4 motherboards are limited to 64GB unless your buying the 2066 or X399 for the high core count CPU's. Now 16GB's is enough unless your a developer like I use blender than needs bit more so I have 24GB's. For gaming 8GB's is ok but if they start hitting page file your going to see huge dips.
- Jan 3, 2017
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Thanks for responding!
So Ram type, DDR3/4/5 are all different per motherboard?
I wouldn't be able to find a motherboard that can support 64gb of ddr3, or have the slots required?
Also, this might be a stupid question, but can you mix DDR3 with other variants? I'd think not. Like ddr3 sticks with ddr4/5. This goes back to the question prior in this post.
I know what paging profiles are and stuff, virtual memory etc.
However I don't know what 'bussing' profiles are and all that stuff.
I'd think it would be related...
So Ram type, DDR3/4/5 are all different per motherboard?
I wouldn't be able to find a motherboard that can support 64gb of ddr3, or have the slots required?
Also, this might be a stupid question, but can you mix DDR3 with other variants? I'd think not. Like ddr3 sticks with ddr4/5. This goes back to the question prior in this post.
I know what paging profiles are and stuff, virtual memory etc.
However I don't know what 'bussing' profiles are and all that stuff.
I'd think it would be related...
elbert
Glorious
- Jan 11, 2005
- 9,704
- 6
- 46,965
The memory controller has been in the CPU since 2011 and before that it was in the northbridge. Its a bit of a complicated answer but mostly its dependant on both motherboard/CPU generation. IE DDR4 is the newest and is required by Intels skylake 6000 CPU's up and AMD's Ryzen. DDR3 came out in 2007 and last used in AMD's AM3+ motherboard and Intels 1150.
You can find motherboards that support over 32GB's but they are high end 2011v1 or G32 workstation motherboards mostly. A few of the newest AM3+ and FM2+ in the last 2 years.
You cant mix DDR versions and that even includes DDR3 with DDR3L. A few have tried it and bios may see the RAM but windows have show issues such as the windows usable RAM issue some have. The image shows how its seen in windows with part of the RAM not usable.
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