1T or 2T

[SteveLord]

ok..so i got 2x512mb sticks of ram. was contemplating upping myself to 2GB. but i thought i remember reading around here that 4x512 forces you to run at 2T?

is there a huge difference between 1T and 2T?

im tryin to find out what the best option for me is...

thanks.

[Gnufsh]

I dug up some links for you to a thread and two articles that have tested this:
http://www.xbitlabs.com/articles/cpu/display/athlon64-e3-mem_5.html
http://techreport.com/etc/2005q4/mem-latency/index.x?pg=1
http://www.overclock.net/amd-memory/32605-1t-vs-2t-command-rate-there.html

[SteveLord]

wow thank you very much.

my biggest worry, was having 4x512mb at 2T would create a drop in game performance. from what these show, the avg fps loss is like 5.

think thats a minor sacrifice to have 2GB over 1GB. especially since i got video editing/encoding to do on top of that.

now all i need is like $200 so i can buy more PC4400 from corsair. =\

[darksparkz]

I heard the new DFi Ultra-D "Expert" can support 1T in 4 DIMMs, same applies for the DFi Crossfire.

You might feel a difference, but the biggest differences would be in benchmarking and stuff. I would say there should be more then a 5fps performance hit, but then I never tried it, so its just a guess.

[ochungry]

I heard the new DFi Ultra-D "Expert" can support 1T in 4 DIMMs, same applies for the DFi Crossfire.

You might feel a difference, but the biggest differences would be in benchmarking and stuff. I would say there should be more then a 5fps performance hit, but then I never tried it, so its just a guess.
I dont undestand why the new mobo and ATI crossfire would be any different, since the 2T is CPU related.

[BrutalDrew]

ochungry is correct. The board may be able to support it, but it has to do with the integrated memory controller. With Rev. E CPU's you can actually run 4 single-sided sticks at 200MHz and 1T command rate. With double-sided sticks you would be forced to run 2T. With non-Rev. E CPU's you would be forced to run 2T with both single sided and double-sided. You would also be forced to run 166MHz with double sided sticks.

[trendx]

I had this same problem, the word around here is the performance drop or gain is minimal if any. If your doing video editing etc. I would say go with the 2 GIGs. You can always do what i did, sell of your 1 Gig now and get a 2 gig kit.