buildzoid

Single rank SK Hynix DDR5 at CL24 on the Z690 Aorus Master

Added 2022-07-07 19:36:20 +0000 UTC

CPU: i5 12600KF
Cooling: fan on RAM, Zalman CNPS 9900 MAX on CPU
mobo: Gigabyte Z690 Aorus Master
RAM: DDR5 Gigabyte Aorus Memory ES 2x16GB Single rank SK Hynix 16Gb M-die

RAM / IMC voltages
VCCSA: 0.9V // upto 1.45V is safe
VCCIN: 2V // upto 2V is safe
CPU VDDQ: 1.35V // upto 1.45V is safe
CPU VDD2: 1.56V // upto 1.6V is safe
RAM VDD: 1.57V (1.64V set on renesas PMIC) // upto 1.6V is safe
RAM VDDQ: 1.57V (1.64V set on renesas PMIC) // upto 1.6V is safe

RAM speed and timings
Speed: 5200Mbps
PRIMARY TIMINGS----------------------------------
tCL: 24
tRCD: 29
tRP: 29
tRAS: 28
tCR: 1T
SECONDARY TIMINGS-------------------------------
tRRD_L: 4
tRRD_S: 4
tFAW: 16
tRFC: 333
tRFCpb: 233
tREFI: 65536
tCKE: 4
tCWL: 16
tWRPRE: 32
tWRPDEN: 32
tRDPRE: 12
TERTIARY TIMINGS-----------------------------------
tRDRD_sg: 10
tRDRD_dg: 7
tRDWR_sg: 17
tRDWR_dg: 17
tWRWR_sg: 9
tWRWR_dg: 7
tWRRD_sg: 44
tWRRD_dg: 36

any timings not listed above should be left on auto.

Stress tests passed
400% HCI memtest

Performance
AIDA64 read: 82GB/s
AIDA64 write: 83GB/s
AIDA64 copy: 82GB/s
AIDA64 latency: 58.7ns
Intel MLC GUI Latency:
Best: 51.4ns Average: 57.6ns Worst: 70.2ns
Intel MLC GUI Latency Bandwidth: 79GB/s

Comments:
While this is probably faster than a lot of even high speed XMPs. If you're manually overclocking your DDR5 and shoving this much voltage into it you should probably be aiming for something like 6200 28-37-37-28-1T. Which gives you a lot more bandwidth with the same or better latencies.