Share your AIDA 64 cache and memory benchmark here

[freeagent]

If you leave all of your subtimings on auto, or your xmp has a weak profile, you will have a hard time. Also, if your fclk/mclk clock is not stable it will also work against you.

 

[physicsjunky]

If you leave all of your subtimings on auto, or your xmp has a weak profile, you will have a hard time. Also, if your fclk/mclk clock is not stable it will also work against you.

All of my settings are stable I just have a cheap 4000mhz cl18 kit I've tried Dram calculator but that didn't work with the safe preset.

 

[phanbuey]

All of my settings are stable I just have a cheap 4000mhz cl18 kit I've tried Dram calculator but that didn't work with the safe preset.

Did you try lowering just TRFC -- subtimings can sometimes do more than primaries. I don't think AMD exposes TREFI afaik, but that setting can give some massive results if available.

Otherwise the TFAW, TRRDL, TRRDS - TFAW being 4x the lowest TRRD also gives a nice shave to the latency. That kit could be stable with something like 20 TFAW, 6 TRRDL, 5 TRRDS if 16, 6, 4 doesn't work.

 

[physicsjunky]

Did you try lowering just TRFC -- subtimings can sometimes do more than primaries. I don't think AMD exposes TREFI afaik, but that setting can give some massive results if available.

Otherwise the TFAW, TRRDL, TRRDS - TFAW being 4x the lowest TRRD also gives a nice shave to the latency. That kit could be stable with something like 20 TFAW, 6 TRRDL, 5 TRRDS if 16, 6, 4 doesn't work.

I've tried changing the trfc every time i try the system wont boot. But in zen timings it says 700 but in the bios it says 312.

 

[physicsjunky]

thanks those sub timings helped a little.

 

[alceryes]

Question regarding AIDA64 memory benchmark for Ryzen 7000.
Sometimes the results seem impossible according to the CPU arcitecture (see below). Anyone have any insight into this? TIA!

Example -

 

[3x0]

It's just AIDA being buggy

 

[Dia01]

 

[AMF]

 

[freeagent]

Just messin around..

 

[msimax]

slow day

 

[opheen]

15-16-15-28@4200 1.6v DRAM\vdimm VCCSA 1.33v VDDQtx 1.32v Gear1 CommandRate 1T i713700KF - Msi Mpg B760i Edge DDR4 Wifi - 2x8GB B-Die

 

[mrthanhnguyen]

 

[physicsjunky]

View attachment 295195

That is some FAST ram with a low latency.

 

[bersy]

 

[masterdeejay]

Old 4gen workstation. Cpu is stock clocks, no turbo hack...yet

 

[freeagent]

No PBO..

 

[dgianstefani]

View attachment 295195

Stable?

 

[mrthanhnguyen]

Stable?

 

[msimax]

 

[freeagent]

Attaboy, make it pop

 

[jaszy]

Can anyone link me what a 2x16 DR 3200 cl14-14-14-34 kit gets on a 5800x/5600x via XMP? I have a friend that seems to have a subpar IMC.

I need a point of reference.. Hes getting 72ns latency on a clean SSD with no programs running. Something is off. Should be sub 65ns IIRC.

 

[forman313]

$80 single rank CJR sticks left at auto. Except the bump from 3200 to 3600. I expected worse. The timings are awful.

 

[opheen]

15-15-8-15-28@4200 Gear 1 CommandRate 1T 2x8gb Viper 4400cl19

 

[agent_x007]

15-15-8-15-28@4200 Gear 1 CommandRate 1T 2x8gb Viper 4400cl19

View attachment 296719

67200MB/s max memory throughput (that's based on math from 4200MHz effective, 128-bit bus and dividing by 8 to get bytes instead of bits).
AIDA64 scores : 70781MB/s read, 65559MB/s write and 71049MB/s of memory copy speed