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RX 480 CF ULPS

chris cooper
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Hi Guys,

 

I have two RX 480's in crossfire.  

 

If I leave ULPS enabled I notice I get pretty poor performance, from what I can make out in MSI Afterburner/GPU-Z this is because the memory speed on the 2nd card doesn't increase from 600mhz to its 3D rate of 2000mhz.   However, if I disable ULPS, I get good scaling as both cards sit at their full speed of 2000mhz on the memory.

 

Know obvoiusly I have stated that by disabling ULPS I can "work around" this problem, however, I do like the idea of having the second card power down when I'm browsing etc.  Do you guys know of any other direction I could go with this?

 

I would be really greatful if you guy could let me know you thoughts, or whether you experienance a simular issue.

 

I have tried the last drivers 17.4.4, a fresh instal of Windows 10.  Scratching my head with this one a bit.  But I can't get the second card to "ramp" up!

 

Many Thanks

 

Chris :)

CPU: Intel Core i7-7700k @ 4.8ghz | Motherboard: GIGABYTE Gaming Z270XP-SLI | Graphics Card: AORUS GeForce® GTX 1080 Ti | RAM: 16GB Corsair Vengeance 3200mz |Storage: 1 x Samsung 250GB 960 Evo PCIe NVMe | 2 x Seagate 1TB [raid1] - overflow stuff | 2 x Samsung 850 EVO 500gb [raid0] - games | PSU: Corsair CX750M | Case: Corsair 400C | Cooling: Kraken x62 AIO | 3 x Corsair AF140 | 1x Noctua  NF-F12 | Sound: Soundblaster Zx through  KRK Rokit G5 monitors 

 

To be updated... when I get time

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