I will shortly have finished saving up to upgrade my server (from some older consumer hardware, since I want more RAM, PCIe lanes and cores). I'm trying to decide between a Genoa 9334 QS in a TURIND8-2L2T, and a Q2SP ES in some undetermined Gigabyte board (MS03-CE0 or MS33-AR0, probably) (I was looking at new GNR too, but on my budget the available core count is too low). The Q2SP looks generally better, but I'd like to know if there are any significant known problems with either of these options before committing. There's a forum post saying the Genoas aren't real QSes and a new stepping was needed for something, which is a bit concerning, but I've not heard of any specific problems. From what I've read of the ES Xeon thread, Q2SP/Q2SR CPUs mostly work as normal, except that they need older/patched BIOSes, have different clocks/core counts from production parts and don't show as any particular SKU. Is there anything else I should know?
Genoa QS or EMR ES?
- Thread starter osmarks
- Start date
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i would go with the Genoa 9334 QS (32C max. 3.6Ghz 210W) in a TURIND8-2L2T, because it is upgradable.
LGA4677 with Q2SP (60C max. 4ghz 350W) 5th gen is a dead end for you.
you may have to beg ASRock Rack to get a new BIOS, but this usualy works (they mostly don't update the mobo websites)
LGA4677 with Q2SP (60C max. 4ghz 350W) 5th gen is a dead end for you.
you may have to beg ASRock Rack to get a new BIOS, but this usualy works (they mostly don't update the mobo websites)
from the ES/QS state is it near the same.
9334 QS? 100-000000897-03 is stepping B0, final is B1
EMR ES Q2SP is stepping A0, final is A1
9334 QS? brand string unclear just "100-000000897-03" (e.g. not EPYC 9334)
Q2SP brand string unclear just "0000" (e.g. no Platinum 8580)
intel QS have full brand string, same stepping specs like final/prod.unit just ES bit set.
AMD does no same, but imho QS should have same stepping
9334 QS? 100-000000897-03 is stepping B0, final is B1
EMR ES Q2SP is stepping A0, final is A1
9334 QS? brand string unclear just "100-000000897-03" (e.g. not EPYC 9334)
Q2SP brand string unclear just "0000" (e.g. no Platinum 8580)
intel QS have full brand string, same stepping specs like final/prod.unit just ES bit set.
AMD does no same, but imho QS should have same stepping
is valid for all EMR A0 ES.
in single socket motherboard they need 7 minutes before POST because of startupACM delay.
in dual socket they do not POST with standard official BIOS.
i can provide a BIOS to solve, e.g. i run Q2Y7 on my ASRock Rack SPC741D8UD-2T_X550
( for all who ask i tell them howto )
btw:
if 32 core is enough i recommend the Q2Y7, 32core 300W MCC single chip octachannel DDR5-5600.
the Q2SP/Q2SR 60C/64C are XCC dual chiplet with each quadchannel DDR5-5600.
even if you disable half of the cores the EMIB(only 3) connection is a bottleneck.
I see. Thanks.
32 cores is workable, but I don't see any Q2Y7s on eBay and I would rather not deal with Chinese-language stores.
Q2T7 (similar to 8571N)
at ebay $580usd
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9334 is Genoa. 9XX5 is Turin, which is already out.
The last time I tried to look at Xianyu it required me to make an account, I spent ten minutes trying to reverse-engineer the captchas without being able to read Chinese, and then it rejected my phone number. I'd prefer to avoid this sort of thing.
i have 2x Q30H 56 core
start 9334 Genoa QS -> uprade Turin.
start Q2SP EMR -> upgrade ?
Sierra Forrest and Granite Rapids are LGA4710/LGA7529
i meant.
start 9334 Genoa QS -> uprade Turin.
start Q2SP EMR -> upgrade ?
Sierra Forrest and Granite Rapids are LGA4710/LGA7529
have you thought about more idle power consumption ?
you can expect min. 50-60W IDLE power only the CPU. Intel EMR is s a little lower.
you can reduce EPYC package power by downgrade RAM speed (IO-DIE draws in IDLE, you can ignore cores)
Ah. I expect the Q2SP to be good enough that I won't have to upgrade until I'm also ready to replace the platform.
I heard that an EMR single-socket server would use 150W or so idling, which is okay. GNR would do sub-100W, but I'd be sacrificing too much core count.