Zen 3 Owners 5xxx Series Memory Discussion

t4t3r

n00b
Joined
Jun 6, 2006
Messages
49
Why leave your tRFC untuned? Leaving more performance on the table with it set more than twice as high as it could be.
 

hihihi8

n00b
Joined
Jan 24, 2021
Messages
1
Hey yall, crosspost from LTT, but I wanted to post my newest DRAM overclocking specs and results on the 5000 series chips:

CPU: 5950x
Mobo: ROG Crosshair 8 Dark Hero
DRAM Kit: 64GB Quad-stick kit - G.Skill F4-3600C14Q-64GVK (Ripjaws 5) Factory-rated 14-15-15-35 @1.45v
PSU: AX1500i

My results: 3733MHz, 1866FCLK, 14-13-13-33 timings (note that it is actively cooled with a fan, will soon be WC'd)

Full BIOS Settings:

DRAM Freq: 3733MHz
FCLK Freq: 1866MHz
DRAM Voltage: 1.55v
CPU SOC Voltage: 1.2v
Primary DRAM Latencies: 14-13-13-13-33
Trc: 42
TrrdS: 4
TrrdL: 6
Tfaw: 24
TwtrS: 4
TwtrL: 12
Twr: 12
TrdrdScl: 3
TwrwrScl: 3
Trfc: 288Tcwl: 14
Trtp: 8
Cmd2T: 1T
Gear Down Mode: Enabled
Power Down Enable: Disable
CPU Current Capability: 110%
VDDSOC Phase Control: Extreme
DRAM Current Capability: 130%
DRAM Power Phase Control: Extreme
DRAM Switching Freq: 400KHz
PBO: Enabled
 
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