2x8 Nanya 8Gb B-die on Gigabyte B550 Vision D-P
Added 2022-09-12 14:57:36 +0000 UTCCPU: Ryzen 9 5950X
Cooling: Xigmatek Thor's Hammer + Thermaltake toughfan 12
mobo: Gigabyte B550 Vision D-P
BIOS: F15a
RAM: Corsair Vengeance LPX 3000C15 2x8GB single rank Nanya 8Gb B-die
RAM / IMC voltages
VSOC: 1.1V // upto 1.2V is safe
CLDO VDDP: 0.9V // upto 1.1V is safe
VDDG IOD: 1V // upto 1.15V is safe
VDDG CCD: 1V // upto 1.15V is safe
VDDR: 1.46V // max safe voltage unknow
DDR VTT: 0.73V // max safe voltage unknown
RAM speed and timings
Speed: 3800Mbps
PRIMARY TIMINGS----------------------------------
tCL: 15
tRCDRD: 18
tRCDWR: 8
tRP: 14
tRAS: 21
tRC: 48
tCR: 1T
SECONDARY TIMINGS-------------------------------
tRRD_L: 4
tRRD_S: 4
tFAW: 16
tWTR_S: 3
tWTR_L: 7
tRFC: 280
tCKE: 4
tCWL: 14
tWR: 10
tRTP: 6
TERTIARY TIMINGS-----------------------------------
tRDRDSCL: 2
tWRWRSCL: 2
tRDWR: 10 // AUTO
tWRRD: 1 // AUTO
tRDRDSC: 1 // AUTO
tRDRDSD: 4 // doesn't matter for single rank
tRDRDDD: 4 // doesn't matter for single rank
tWRWRSC: 1 // AUTO
tWRWRSD: 6 // doesn't matter for single rank
tWRWRDD: 6 // doesn't matter for single rank
TERMINATIONS--------------------------------------
ProcODT: 40ohm
RttNom: Disabled
RttWR: Off
RttPark: RZQ/5
DRIVE STRENGTHS-----------------------------------
ClkDrvStr: 24ohm // AUTO
AddrCmdDrvStr: 20ohm
CsOdtDrvStr: 24ohm // AUTO
CkeDrvStr: 24ohm // AUTO
any timings not listed above should be left on auto.
Stress tests passed
400% HCI memtest
Testmem5 Extreme1 anta777
33x Linpack Xtreme 10GB
Performance
CPU: 333/222/222 PBO
Linpack: 582GFlops AVG 588GFlops MAX
AIDA64 Read: 89GB/s
AIDA54 Write: 84GB/s
AIDA64 Copy: 84GB/s
AIDA64 Latency: 61.8ns
Comments:
Imagine if DDR4 Samsung 8Gb B-die ran hot and didn't scale with voltage. Well that's pretty much Nanya 8Gb B-die. The timings are good but unfortunately it's rather rare so not really a viable alternative to just buying 4S8B kits.
