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i7 960 vs. Xeon L5520

J

joanne firus

Member
My desktop has an i7 960 (no OC) and 32GB RAM.

But the processor is able to detect only upto 24GB of RAM (I don't know why).

I've found a Xeon L5520 for cheap; and I hear that it can recognise the full 32GB of RAM.

Question is: would it be a good replacement for the i7 960
It's got a lower clock speed than the i7 (2.26 GHz, against the 3.2 GHz of the i7), but has roughly the same specs.
I use this machine strictly for CAD/rendering.
 
Hmm, I am guessing that Xeon memory support number is only for buffered dimms, which your motherboard is super unlikely to support.

The memory issue is likely based on your motherboard, and not your CPU. There are guys that have posted (Gilbot?) 48GB of usable ram with i7/x58 combos.

So, the answer from me is "no."

Need the ram? Step up to LGA 2011 🙂
 
My motherboard is an Asus P6X58-E Pro, and I'm using 4 x 8GB 1600Mhz Mushkin Blackline sticks.

I've honestly never had to use more than 8-9GB of RAM (doing renders with a lot of heavy textures + modelling + Firefox with over a 100 tabs); but I'd like to have my system running at it's full potential, just for the lolz.
 
Does the BIOS system info window see all 4 sticks of RAM? That processor/motherboard combo should have not have issues seeing up to 48GB according to Asus tech specs. I'm guessing your BIOS is only seeing 3 sticks of your RAM. You could try different slot combos. I had an x58 board where 3 of the 6 Dimm slots were dead regardless of what RAM I put in it (Also had a x79 where 4 of 8 dimm slots were bad).
 
mrpiggy said:
Does the BIOS system info window see all 4 sticks of RAM? That processor/motherboard combo should have not have issues seeing up to 48GB according to Asus tech specs. I'm guessing your BIOS is only seeing 3 sticks of your RAM. You could try different slot combos. I had an x58 board where 3 of the 6 Dimm slots were dead regardless of what RAM I put in it (Also had a x79 where 4 of 8 dimm slots were bad).
Click to expand...

IIRC, I put the sticks in the arrangement suggested on the MB's manual. Which leads me to believe that it's the processor that has the issue, since these old i7's can't read above 24GB of RAM according to Intel's site (http://ark.intel.com/products/37151...cessor-(8M-Cache-3_20-GHz-4_80-GTs-Intel-QPI))
 
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